1 - 142 of about 142
Motion artifact removal in R-R interval estimation of ECG signal for wearable biomedical sensors using adaptive filter and high pass filter , Yohei Arakawa and Tadao Nakagawa , 2023 International Conference on Emerging Technologies for Communications (ICETC 2023) Proc., Paper P2-29 , 2023.11 , There is Review , The Multiple Authorship , English
Blind compensation for IQ imbalance in wideband single-carrier MIMO systems in the presence of carrier frequency offset , Yuichiro Tamada, Yuta Ueno, Isana Tsubota, Naoto Sasaoka, and Tadao Nakagawa , 2022 International Conference on Emerging Technologies for Communications (ICETC 2022) Proc., Paper S4-7 , 2022.11 , There is Review , The Multiple Authorship , English
Transmission performance improvement using maximum likelihood decision and frequency domain equalization for multi-layer single-carrier optical wireless communications, , Hodaka Suzuki and Tadao Nakagawa , 2022 International Conference on Emerging Technologies for Communications (ICETC 2022) Proc., Paper S9-8 , 2022.11 , There is Review , The Multiple Authorship , English
Motion artifact removal in R-R interval estimation of ECG signal for wearable biomedical sensors using slope information and correlation matching , Kento Shibata, Daichi Nagai, and Tadao Nakagawa , 2021 International Conference on Emerging Technologies for Communications (ICETC 2021) Proc., P3-21 , 2021.12 , There is Review , The Multiple Authorship , English
Blind frequency-dependent in-phase/quadrature imbalance compensation with constant norm algorithm and cascaded structure , Naoto Sasaoka, Hiroki Inata, Tadao Nakagawa, Ryoto Hamabe, and Yoshio Itoh , IEICE Communications Express , vol.10 (5) (p.237 - 242) , 2021.05 , There is Review , The Multiple Authorship , English
Reducing motion artifacts for R-R interval estimation in wearable biomedical sensors using correlation coefficients , Shuhei Yamaguchi, Kento Shibata, and Tadao Nakagawa , 2020 International Conference on Emerging Technologies for Communications (ICETC 2020) Proc., O1-3 , 2020.12 , There is Review , The Multiple Authorship , English
A low-complexity high-accuracy AR based channel prediction method for interference alignment , Masayoshi Ozawa, Tomoaki Ohtsuki, Fereidoun H. Panahi, Wenjie Jiang, Yasushi Takatori, and Tadao Nakagawa , 2018 IEEE Global Communications Conference (GLOBECOM) Proc. (p.1 - 7) , 2018.12 , There is Review , The Multiple Authorship , English
Blind frequency-dependent IQ imbalance compensation using constant norm algorithm for OFDM systems , Tadao Nakagawa, Ryoto Hamabe, Doohwan Lee, and Takana Kaho , 2018 International Symposium on Multimedia and Communication Technology (ISMAC) Proc. (p.9 - 11) , 2018.08 , There is Review , The Multiple Authorship , English
Orbital Angular Momentum (OAM) Multiplexing: An Enabler of a New Era of Wireless Communications , Doohwan Lee,Hirofumi Sasaki,Hiroyuki Fukumoto,Ken Hiraga,Tadao Nakagawa , IEICE TRANSACTIONS ON COMMUNICATIONS , vol.E100B (7) (p.1044 - 1063) , 2017.07 , There is Review , The Simple Work , English
(Invited paper) Orbital angular momentum (OAM) multiplexing: an enabler of a new era of wireless communications , Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Ken Hiraga, and Tadao Nakagawa , IEICE Trans. Commun. , vol.E100-B (7) (p.1044 - 1063) , 2017.07 , There is Review , The Multiple Authorship , English
Joint interference alignment and power allocation for multi-user MIMO interference channels under perfect and imperfect CSI , Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, and Tadao Nakagawa , IEEE Trans. Green Commun. Netw. , vol.1 (2) (p.131 - 144) , 2017.06 , There is Review , The Multiple Authorship , English
Q-learning based superposed band detection in multicarrier transmission , Ali B,. Al-Shaikh, Fereidoun H. Panahi, Tomoaki Ohtsuki, Kouhei Suzaki, Hirofumi Sasaki, Hideya So, and Tadao Nakagawa , 2017 IEEE International Conference on Communications (ICC) Proc. (p.1 - 6) , 2017.05 , There is Review , The Multiple Authorship , English
A study of transmisssion performance improvement of OFDM-based optical wireless communications , vol.116 (481) (p.13 - 16) , 2017.03 , There is No Review , The Multiple Authorship , Japanese
Q-learning based detection of superposed band in multi-carrier based transmission systems , Ali B, Al Shaikh, Fereidoun H. Panahi, Tomoaki Ohtsuki, Kouhei Suzaki, Hirofumi Sasaki, Hideya So, Tadao Nakagawa , 電子情報通信学会技術研究報告, RCS2016-314 , vol.116 (479) (p.149 - 154) , 2017.03 , There is No Review , The Multiple Authorship , English
A Fenton Wilkinson approximation-based PPP model of cellular networks , He Zhuang, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa , 電子情報通信学会技術研究報告, RCS2016-315 , vol.116 (479) (p.155 - 160) , 2017.03 , There is No Review , The Multiple Authorship , English
Throughput enhancement for SATCOM systems using dynamic spectrum controlled channel allocation under variable propagation conditions , Katsuya Nakahira, Jun Mashino, Jun-ichi Abe, Daisuke Murayama, Tadao Nakagawa, and Takatoshi Sugiyama , IEICE Trans. Commun. , vol.E100-B (2) (p.390 - 399) , 2017.02 , There is Review , The Multiple Authorship , English
A frequency synchronization method for multiple access in direct spectrum division transmission , Jun-ichi Abe and Tadao Nakagawa , 2016 IEEE Global Communications Conference (GLOBECOM) Proc. (p.1 - 6) , 2016.12 , There is Review , The Multiple Authorship , English
Performance evaluation of wireless communications using orbital angular momentum multiplexing , Doohwan Lee, Theerat Sakdejayont, Hirofumi Sasaki, Hiroyuki Fukumoto, and Tadao Nakagawa , 2016 International Symposium on Antennas and Propagation (ISAP) Proc. (p.280 - 281) , 2016.10 , There is Review , The Multiple Authorship , English
Beam divergence reduction using dielectric lens for orbital angular momentum wireless communications , Hiroyuki Fukumoto, Hirofumi Sasaki, Doohwan Lee, and Tadao Nakagawa , 2016 International Symposium on Antennas and Propagation (ISAP) Proc. (p.680 - 681) , 2016.10 , There is Review , The Multiple Authorship , English
Channel prediction for massive MIMO with channel compression based on principal component analysis , Rei Nagashima, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, and Tadao Nakagawa , 2016 IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2016) Proc. (p.1 - 6) , 2016.09 , There is Review , The Multiple Authorship , English
Wide-range and fast-tracking non-data-aided frequency offset estimator for QAM optical coherent receivers , Tadao Nakagawa, Takayuki Kobayashi, Koichi Ishihara, and Yutaka Miyamoto , IEICE Trans. Commun. , vol.E99-B (7) (p.1416 - 1425) , 2016.07 , There is Review , The Multiple Authorship , English
Alignment tolerance in multiple-stream transmission using orthogonal directivities under line-of-sight environments , Maki Arai, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, and Tadao Nakagawa , IEICE Trans. Commun. , vol.E99-B (6) (p.1362 - 1370) , 2016.06 , There is Review , The Multiple Authorship , English
Millimeter-wave close proximity high-speed data transfer system , Tadao Nakagawa, Hideki Toshinaga, Toshimitsu Tsubaki, Tomohiro Seki, and Masashi Shimizu , IEICE Communications Express , vol.5 (4) (p.114 - 117) , 2016.04 , There is Review , The Multiple Authorship , English
A sparsity managed adaptive MIMO equalization for few-mode fiber transmission with various differential mode delays , Doohwan Lee, Kohki Shibahara, Takayuki Kobayashi, Takayuki Mizuno, Hidehiko Takara, Akihide Sano, Hiroto Kawakami, Tadao Nakagawa, and Yutaka Miyamoto , J. Lightw. Technol. , vol.34 (8) (p.1754 - 1761) , 2016.04 , There is Review , The Multiple Authorship , English
Orthogonalized directional MIMO transmission using higher order mode microstrip antennas , Maki Arai, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, Hideki Toshinaga, and Tadao Nakagawa , IEICE Trans. Commun. , vol.E99-B (1) (p.48 - 57) , 2016.01 , There is Review , The Multiple Authorship , English
A multilayer triplexer with wideband passbands for compact wireless LTCC modules , Shinpei Oshima, Takana Kaho, Yo Yamaguchi, and Tadao Nakagawa , 2015 Asia-Pacific Microwave Conference (2015 APMC) Proc., WE4G-5 , 2015.12 , There is Review , The Multiple Authorship , English
A novel ZF-based fast beamforming method for short-range MIMO transmission , Kazumitsu Sakamoto, Maki Arai, Ken Hiraga, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, and Tadao Nakagawa , IEEE Wireless Communications Letters , vol.4 (5) (p.557 - 560) , 2015.10 , There is Review , The Multiple Authorship , English
A practical channel modeling method for few-mode optical fiber communication systems , Doohwan Lee, Chitradeep Majumdar, Kohki. Shibahara, Tadao Nakagawa, and Yutaka Miyamoto , The 21st Asia-Pacfic Conference (APCC 2015) Proc. (p.209 - 213) , 2015.10 , There is Review , The Multiple Authorship , English
Adaptive MIMO equalization for few-mode fiber transmission with various differential mode delays , Doohwan Lee, K. Shibahara, T. Kobayashi, T. Mizuno, H. Takara, A. Sano, H. Kawakami, Tadao Nakagawa, and Yutaka Miyamoto , 41st European Conference and Exhibition on optical Communication (ECOC 2015) Proc., Th1.6.3. , 2015.09 , There is Review , The Multiple Authorship , English
Broadband transmission performance and antenna displacement tolerance in 4x4 short-range MIMO simple decoding , Kazumitsu Sakamoto, Ken Hiraga, Maki Arai, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, and Tadao Nakagawa , 45th European Microwave Conference (EuMC2015) Proc., EuMC11-03 , 2015.09 , There is Review , The Multiple Authorship , English
Concurrent multi-band mixer with independent and linear gain control , Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba, Tadao Nakagawa, Kazuhiro Uehara, and Kiyomichi Araki , IEICE Trans. Electron. , vol.E98-C (7) (p.659 - 668) , 2015.07 , There is Review , The Multiple Authorship , English
Experimental validation of digital pre-distortion technique for dual-band dual-signal amplification by single feedback architecture employing dual-band mixer , Ikuma Ando, Gia Khann Tran, Kiyomichi Araki, Takayuki Yamada, Takana Kaho, Yo Yamaguchi, and Tadao Nakagawa , IEICE Trans. Electron. , vol.E98-C (3) (p.242 - 251) , 2015.03 , There is Review , The Multiple Authorship , English
Quad-band receiver front-end module using SiGe BiCMOS MMICs and LTCC triplexer , Takana Kaho, Yo Yamaguchi, Tadao Nakagawa; and Shinpei Oshima , 2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) Proc. (p.37 - 39) , 2015.03 , There is Review , The Multiple Authorship , English
Dependency on beamwidth in an SD method utilizing two-ray fading characteristics , Ken Hiraga, Kazumitsu Sakamoto, Maki Arai, Tomohiro Seki, Hideki Toshinaga, Tadao Nakagawa, and Kazuhiro Uehara , IEEE Antennas and Wireless Propagation Letters , vol.14 (p.56 - 59) , 2015.01 , There is Review , The Multiple Authorship , English
Spatial division transmission without signal processing for MIMO detection utilizing two-ray fading , Ken Hiraga, Kazumitsu Sakamoto, Maki Arai, Tomohiro Seki, Tadao Nakagawa, and Kazuhiro Uehara , IEICE Trans. Commun. , vol.E97-B (11) (p.2491 - 2501) , 2014.11 , There is Review , The Multiple Authorship , English
A wideband GaN low noise amplifier for a frequency sensing system , Yo Yamaguchi, Takana Kaho, Munenari Kawashima, Hiroyuki Shiba, and Tadao Nakagawa , 2014 Asia-Pacific Microwave Conference (2014 APMC) Proc., TH1B-3 , 2014.11 , There is Review , The Multiple Authorship , English
A wideband diplexer using multilayer inductors for compact wireless LTCC modules , Shinpei Oshima, Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba, and Tadao Nakagawa , 2014 Asia-Pacific Microwave Conference (2014 APMC) Proc.. WE3A-2 , 2014.11 , There is Review , The Multiple Authorship , English
Wideband low noise receiver front-end module using LTCC triplexer , Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba, Shinpei Oshima,and Tadao Nakagawa , 2014 Asia-Pacific Microwave Conference (2014 APMC) Proc., TH1B-1 , 2014.11 , There is Review , The Multiple Authorship , English
Performance measurement of broadband simple decoding in short-range MIMO , Ken Hiraga, Kazumitsu Sakamoto, Toshimitsu Tsubaki, Tomohiro Seki, Hideki Toshinaga, and Tadao Nakagawa , 2014 IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2014) Proc. (p.289 - 292) , 2014.09 , There is Review , The Multiple Authorship , English
Performance evaluation of a simple decoding method for millimeter-wave short-range MIMO transmission through a wall , Kazumitsu Sakamoto, Ken Hiraga, Tomohiro Seki, Tadao Nakagawa, and Kazuhiro Uehara , IEICE Communications Express , vol.3 (4) (p.131 - 137) , 2014.04 , There is Review , The Multiple Authorship , English
Study on MIMO transmission using orthogonal directivities obtained from higher order microstrip antenna modes , Maki Arai, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, Hideki Toshinaga, Tadao Nakagawa, and Kazuhiro Uehara , Electronics Letters , vol.50 (7) (p.562 - 564) , 2014.03 , There is Review , The Multiple Authorship , English
12-core x 3-mode dense space division multiplexed transmission over 40 km employing multi-carrier signals with parallel MIMO equalization , Takayuki Mizuno, Takayuki Kobayashi, Hidehiko Takara, Akihide Sano, Hiroto Kawakami, Tadao Nakagawa, Yutaka Miyamoto, Y. Abe, T. Goh, M. Oguma, T. Sakamoto, Y. Sasaki, I. Ishida, K. Takenaga, S. Matsuo, K. Saitoh, and T. Morioka , Optical Fiber Communication Conference and Exposition 2014 (OFC 2014) Proc., Th5B.2 , 2014.03 , There is Review , The Multiple Authorship , English
A study of short-range MIMO transmission utilizing polarization multiplexing for the simplification of decoding , Ken Hiraga, Kazumitsu Sakamoto, Kentaro Nishimori, Tomohiro Seki, Tadao Nakagawa, and Kazuhiro Uehara , IEICE Trans. Commun. , vol.E97-B (2) (p.459 - 468) , 2014.02 , There is Review , The Multiple Authorship , English
Theoretical and experimental analysis of spatial division using antenna directivities in short-range MIMO transmission , Maki Arai, Tomohiro Seki, Ken Hiraga, Tadao Nakagawa, Kazuhiro Uehara , Electronics Letters , vol.50 (2) (p.65 - 67) , 2014.01 , There is Review , The Multiple Authorship , English
An SD method utilizing null dependency on transmission distance due to two-ray fading , Ken Hiraga, Kazumitsu Sakamoto, Kentaro Nishimori, Tomohiro Seki, Tadao Nakagawa, and Kazuhiro Uehara , IEEE Antennas and Wireless Propagation Letters , vol.13 (p.126 - 129) , 2014.01 , There is Review , The Multiple Authorship , English
Study on short-range MIMO transmission using interference cancellation by antenna directivities , Maki Arai, Tomohiro Seki, Ken Hiraga, Tadao Nakagawa, and Kazuhiro Uehara , 2013 Asia-Pacific Microwave Conference (2013 APMC) Proc., T3D-3 , 2013.12 , There is Review , The Multiple Authorship , English
Performance evaluation of short-range MIMO using a method for controlling phase difference between each propagation channel , Kazumitsu Sakamoto, Ken Hiraga, Tomohiro Seki, Tadao Nakagawa, and Kazuhiro Uehara , IEICE Trans. Commun. , vol.E96-B (10) (p.2513 - 2520) , 2013.10 , There is Review , The Multiple Authorship , English
409-Tb/s + 409-Tb/s crosstalk suppressed bidirectional MCF transmission over 450 km using propagation-direction interleaving , Akihide Sano, Hidehiko Takara, Takayuki Kobayashi, Hiroto Kawakami, Hiroki Kishikawa, Tadao Nakagawa, Yutaka Miyamoto, Yoshiteru Abe, Hirotaka Ono, Kota Shikama, Munehiko Nagatani, Takayoshi Mori, Yusuke Sasaki, Itaru Ishida, Katsuhiro Takenaga, Shoichiro Matsuo, Kunimasa Saitoh, Masanori Koshiba, Makoto Yamada, Hiroji Masuda, and Toshio Morioka , Optics Express , vol.21 (14) (p.16777 - 16783) , 2013.07 , There is Review , The Multiple Authorship , English
Concept of and transceiver for a 60-GHz high-speed non-contact transmission system , Tadao Nakagawa, Tomohiro Seki, Munenari Kawashima, Toshimitsu Tsubaki, Ken Hiraga, Masashi Shimizu, and Kazuhiro Uehara , Global Symposium of Millimeter Waves 2013 (GSMM 2013) Proc., M3-2 , 2013.04 , There is Review , The Multiple Authorship , English
Effects of weight errors on capacity in simple decoding of short-range MIMO transmission , Ken Hiraga, Kazumitsu Sakamoto, Tomohiro Seki, Tadao Nakagawa, and Kazuhiro Uehara , IEICE Communications Express , vol.2 (5) (p.193 - 199) , 2013.03 , There is Review , The Multiple Authorship , English
An SDM method utilizing height pattern due to two-ray fading characteristics , Ken Hiraga, Kazumitsu Sakamoto, Kentaro Nishimori, Tomohiro Seki, Tadao Nakagawa, and Kazuhiro Uehara , IEEE Antennas and Wireless Propagation Letters , vol.12 (p.1622 - 1626) , 2013.01 , There is Review , The Multiple Authorship , English
A method for controlling phase difference between propagation channels for short-range MIMO transmission , Kazumitsu Sakamoto, Ken Hiraga, Tomohiro Seki, Tadao Nakagawa, and Kazuhiro Uehara , 2012 International Symposium on Antennas & Propagation (ISAP 2012) Proc. (p.754 - 757) , 2012.10 , There is Review , The Multiple Authorship , English
Fast chromatic dispersion estimation for coherent optical transmission systems , Koichi Ishihara, Etsushi Yamazaki, Tadao Nakagawa, Riichi Kudo, Takayuki Kobayashi and Yutaka Miyamoto , Electronics Letters , vol.48 (20) (p.1290 - 1292) , 2012.09 , There is Review , The Multiple Authorship , English
(Invited paper) Frequency-domain signal processing for chromatic dispersion equalization and carrier frequency offset estimation in optical coherent receivers , Tadao Nakagawa, Koichi Ishihara, Riichi Kudo, Takayuki Kobayashi, and Yutaka Miyamoto , Signal Processing in Photonic Communications (SPPcom) Proc., SpTh1B.4 , 2012.06 , There is Review , The Multiple Authorship , English
Hybrid 40-Gb/s and 100-Gb/s PDM-QPSK DWDM transmission using real-time DSP in field testbed , Shuto Yamamoto, Tetsuro Inui, Hiroto Kawakami, Shogo Yamanaka, Takeshi Kawai, Takashi Ono, Kunihiko Mori, Masahiro Suzuki, Ayako Iwaki, Tomoyoshi Kataoka, Mitsunori Fukutoku, Tadao Nakagawa, Toshikazu Sakano, Masahito Tomizawa, Yutaka Miyamoto, Senichi Suzuki, Kouichi Murata, Takashi Kotanigawa, and Akio Maeda , Optical Fiber Communication Conference and Exposition 2012 (OFC 2012) Proc., JW2A.4 , 2012.03 , There is Review , The Multiple Authorship , English
Blind frequency-dependent IQ imbalance compensation scheme using CMA for OFDM system , Munehiro Matsui, Tadao Nakagawa, Riichi Kudo, Koichi Ishihara, and Masato Mizoguchi , 22nd IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2011) Dig. (p.1369 - 1373) , 2011.09 , There is Review , The Multiple Authorship , English
A band-divides receiver prototype for wideband optical signals , Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Tadao Nakagawa, Koichi Ishihara, Masato Mizoguchi,, Takayuki Kobayashi and Yutaka Miyamoto , IEICE Trans. Commun. , vol.E94-B (7) (p.1801 - 1808) , 2011.07 , There is Review , The Multiple Authorship , English
Fast optical channel recovery in field demonstration of 100-Gbit/s Ethernet over OTN using real-time DSP , Etsushi Yamazaki, Shogo Yamanaka, Yoshiaki Kisaka, Tadao Nakagawa, Koichi Murata, Eiji Yoshida, Toshikazu Sakano, Masahito Tomizawa, Yutaka Miyamoto, Shinji Matsuoka, Junichiro Matsui, Atsufumi Shibayama, Jun-ichi Abe, Yuichi Nakamura, Hidemi Noguchi, Kiyoshi Fukuchi, Hiroshi Onaka, Katsumi Fukumitsu, Kousuke Komaki, Osamu Takeuchi, Yuichiro Sakamoto, Hisao Nakashima, Takashi Mizuochi, Kazuo Kubo, Yoshikuni Miyata, Hiroshi Nishimoto, Susumu Hirano, and Kiyoshi Onohara , Optics Express , vol.19 (14) (p.13179 - 13184) , 2011.07 , There is Review , The Multiple Authorship , English
Ultra high capacity transmission based on high-order QAM for future optical transport networks , Takayuki Kobayashi, Akihide Sano, Akihiko Matsuura, Tadao Nakagawa, Eiji Yoshida, and Yutaka Miyamoto , Signal Processing in Photonic Communications (SPPcom) Proc., SPMA3 , 2011.06 , There is Review , The Multiple Authorship , English
120-Gb/s PDM 64-QAM transmission over 1,280 km using multi-staged nonlinear compensation in digital coherent receiver , Takayuki Kobayashi, Akihide Sano, Akihiko Matsuura, Etsushi Yamazaki, Eiji Yoshida, Yutaka Miyamoto, Tadao Nakagawa, Yohei Sakamaki and Takayuki Mizuno , Optical Fiber Communication Conference and Exposition 2011 (OFC 2011) Proc., OThF6 , 2011.03 , There is Review , The Multiple Authorship , English
Non-data-aided wide-range frequency offset estimator for QAM optical coherent receivers , Tadao Nakagawa, Munehiro Matsui, Takayuki Kobayashi, Koichi Ishihara, Riichi Kudo, Masato Mizoguchi,, and Yutaka Miyamoto , Optical Fiber Communication Conference and Exposition 2011 (OFC 2011) Proc., OMJ1 , 2011.03 , There is Review , The Multiple Authorship , English
Frequency-domain equalization for coherent optical transmission systems , Koichi Ishihara, Riichi Kudo, Takayuki Kobayashi, Akihide Sano, Yasushi Takatori, Tadao Nakagawa, and Yutaka Miyamoto , Optical Fiber Communication Conference and Exposition 2011 (OFC 2011) Proc., OWW4 , 2011.03 , There is Review , The Multiple Authorship , English
Intermodal group velocity dispersion of few mode fibe , Hirokazu Kubota, Hidehiko Takara, Tadao Nakagawa, Munehiro Matsui and T. Morioka , IEICE Electronics Express , vol.7 (20) (p.1552 - 1556) , 2010.10 , There is Review , The Multiple Authorship , English
11 x 171 Gb/s PDM 16-QAM Transmission over 1440 km with a Spectral Efficiency of 6.4 b/s/Hz using High-Speed DAC , Shogo Yamanaka, Takayuki Kobayashi, Akihide Sano, Hiroji Masuda, Eiji Yoshida, Yutaka Miyamoto, Tadao Nakagawa, Munehiko Nagatani, and Hideyuki Nosaka , 36th European Conference and Exhibition on optical Communication (ECOC 2010) Proc., We.8.C.1 , 2010.09 , There is Review , The Multiple Authorship , English
Wide-Range and Fast-Tracking Frequency Offset Estimator for Optical Coherent Receivers , Tadao Nakagawa, Koichi Ishihara, Takayuki Kobayashi, Riichi Kudo, Munehiro Matsui, Yasushi Takatori, Masato Mizoguchi , 36th European Conference and Exhibition on optical Communication (ECOC 2010) Proc., We.7.A.2 , 2010.09 , There is Review , The Multiple Authorship , English
Band-divided receiver for optical wideband signal , Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Koichi Ishihara, Tadao Nakagawa, Masato Mizoguchi, Takayuki Kobayashi and Yutaka Miyamoto , Electronics Letters , vol.46 (16) (p.1138 - 1139) , 2010.08 , There is Review , The Multiple Authorship , English
An analysis of multi-layer inductors for miniaturizing of GaAs MMIC , Yo Yamaguchi, Takana Kaho, Motoharu Sasaki, Kenjiro Nishikawa, Tomohiro Seki, Tadao Nakagawa, and Kazuhiro Uehara , IEICE Trans. Electron. , vol.E93-C (7) (p.1119 - 1125) , 2010.07 , There is Review , The Multiple Authorship , English
A prototype of band-divided receiver for optical wideband signal , Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Koichi Ishihara, Tadao Nakagawa, Masato Mizoguchi, Takayuki Kobayashi, and Yutaka Miyamoto , 15th OptoElectronics and Communications Conference (OECC 2010) Dig., 7B4-3 , 2010.07 , There is Review , The Multiple Authorship , English
111Gb/s No-guard-interval OFDM using low sampling rate analogue-to-digital converter , Riichi Kudo, Takayuki Kobayashi, Etsushi Yamazaki, Akihide Sano, Eiji Yoshida, Koichi Ishihara, Yasushi Takatori, Munehiro Matsui, Tadao Nakagawa, Masato Mizoguchi,, and Yutaka Miyamoto , 35th European Conference and Exhibition on Optical Communications (ECOC 2009) Proc., P4.09 , 2009.09 , There is Review , The Multiple Authorship , English
A miniaturized in-phase power divider with a DC block function , Hitoshi Hayashi, Tadao Nakagawa, Kazuhiro Uehara, and Yoshihiro Takigawa , IEICE Trans. Electron. , vol.E90-C (10) (p.2022 - 2029) , 2007.10 , There is Review , The Multiple Authorship , English
Miniaturized broadband lumped-element in-phase power dividers , Hitoshi Hayashi, Tadao Nakagawa, Kazuhiro Uehara, and Yoshihiro Takigawa , IEICE Trans. Electron. , vol.E90-C (6) (p.1222 - 1227) , 2007.06 , There is Review , The Multiple Authorship , English
An active terminal circuit and its application to a distributed amplifier , Hitoshi Hayashi, Munenari Kawashima, Tadao Nakagawa, Kazuhiro Uehara, and Yoshihiro Takigawa , IEICE Trans. Electron. , vol.E90-C (6) (p.1203 - 1208) , 2007.06 , There is Review , The Multiple Authorship , English
Adaptive linearization technique for multi-port amplifier , Takana Kaho, Yo Yamaguchi, Tadao Nakagawa, and Katsuhiko Araki , 2006 Asia-Pacific Microwave Conference (2006 APMC) Proc. (p.895 - 898) , 2006.12 , There is Review , The Multiple Authorship , English
A novel adaptive linearization technique for a balanced-amplifier array , Takana Kaho, Yo Yamaguchi, Tadao Nakagawa, Katsuhiko Araki, and Katsuhiko Araki , IEICE Trans. Electron. , vol.E89-C (10) (p.1448 - 1453) , 2006.10 , There is Review , The Multiple Authorship , English
Improved technique for reflection performance in broadband variable gain low noise amplifiers , Munenari Kawashima, Tadao Nakagawa, Yo Yamaguchi, and Katsuhiko Araki , 2005 European Gallium Arsenide and Other Semiconductor Application Symposium (GAAS 2005) Proc. (p.81 - 84) , 2005.10 , There is Review , The Multiple Authorship , English
A 45-degree CMOS phase shifter and gain/phase imbalance compensation for multi-band transceivers , Tadao Nakagawa, Munenari Kawashima, Munehiro Matsui, and Katsuhiko Araki , 2005 IEEE RFIC Symposium Dig. (p.517 - 520) , 2005.06 , There is Review , The Multiple Authorship , English
A frequency doubler MMIC with a small 2-band elimination filter , Yo Yamaguchi, Tadao Nakagawa, and Katsuhiko Araki , 2004 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS) Dig. (p.268 - 271) , 2004.10 , There is Review , The Multiple Authorship , English
Compensation technique for impairments of wideband quadrature demodulators for direct conversion receivers , Munehiro Matsui, Tadao Nakagawa, Kiyoshi Kobayashi, and Katsuhiko Araki , 15th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2004) Dig. (p.1677 - 1681) , 2004.09 , There is Review , The Multiple Authorship , English
Gain/Phase imbalance compensation for multi-band quadrature receivers , Tadao Nakagawa, Munehiro Matsui, and Katsuhiko Araki , Vehicular Technology Conference Fall 2004 (VTC-Fall 2004) Proc. (p.2034 - 2037) , 2004.09 , There is Review , The Multiple Authorship , English
Implementation and performance of a multi-band transceiver for software defined radio , Katsuhiko Araki, Tadao Nakagawa, Munenari Kawashima, Kiyoshi Kobayashi, Kazunori Akabane, Hiroyuki Shiba, and Hitoshi Hayashi , 2004 IEEE Radio and Wireless Conference (RAWCON 2004) Dig. (p.207 - 210) , 2004.09 , There is Review , The Multiple Authorship , English
V-band fully-integrated TX/RX single-chip 3-D MMICs using commercial GaAs pHEMT technology for high-speed wireless applications , Kenjiro Nishikawa, Belinda Piernas, Tadao Nakagawa, Katsuhiko Araki, and Keizo Cho , 2003 IEEE GaAs IC Symposium Dig. (p.97 - 100) , 2003.11 , There is Review , The Multiple Authorship , English
A novel broadband active balun , Munenari Kawashima, Tadao Nakagawa, and Katsuhiko Araki , 33rd European Microwave Conference (EuMC) Proc. (p.495 - 498) , 2003.09 , There is Review , The Multiple Authorship , English
A compact and low-phase-noise Ka-band pHEMT-based VCO , Belinda Piernas, Kenjiro Nishikawa, Tadao Nakagawa, and Katsuhiko Araki , IEEE Trans. Microwave Theory Tech. , vol.51 (3) (p.778 - 783) , 2003.03 , There is Review , The Multiple Authorship , English
Interference reduction method using an intermodulation distortion control technique for high power amplifier array , Takana Kaho, Y. Nakasuga, Tadao Nakagawa, and Katsuhiko Araki , 4th MINT Millimeter-Wave International Symposium Dig. (p.79 - 82) , 2003.02 , There is Review , The Multiple Authorship , English
Carrier power to intermodulation-distortion power-ratio-increasing technique in active phased-array antenna systems , Takana Kaho, Tadao Nakagawa, Katsuhiko Araki, and Kohji Horikawa , IEEE Trans. Microwave Theory Tech. , vol.50 (12) (p.2987 - 2994) , 2002.12 , There is Review , The Multiple Authorship , English
A 0.9-2.6 GHz broadband RF front-end chip-set with a direct conversion architecture , Munenari Kawashima, Tadao Nakagawa, Hitoshi Hayashi, Kenjiro Nishikawa, and Katsuhiko Araki , IEICE Trans. Commun. , vol.E85-B (12) (p.2732 - 2740) , 2002.12 , There is Review , The Multiple Authorship , English
A Monolithic linearizer using an even-order-distortion controller for an S-band high power amplifier , Takana Kaho, Hiroshi Okazaki, Tadao Nakagawa, and Katsuhiko Araki , IEICE Trans. Electron. , vol.E85-C (12) (p.1959 - 1966) , 2002.12 , There is Review , The Multiple Authorship , English
A multi-band direct conversion transceiver for software-defined radios , Munenari Kawashima, Tadao Nakagawa, Hitoshi Hayashi, Kenjiro Nishikawa, and Katsuhiko Araki , 2002 Asia-Pacific Microwave Conference (2002 APMC) Proc. (p.985 - 988) , 2002.11 , There is Review , The Multiple Authorship , English
1-V operation high-frequency broadband Si 3-D MMICs , Kenjiro Nishikawa, Kenji Kamogawa, Belinda Piernas, Tadao Nakagawa, and Katsuhiko Araki , 2002 Asia-Pacific Microwave Conference (2002 APMC) Proc. (p.693 - 696) , 2002.11 , There is Review , The Multiple Authorship , English
60-GHz band and 5-GHz band demodulator MMICs for more than 1-Gbps FSK transceivers , Tadao Nakagawa, Kenjiro Nishikawa, and Katsuhiko Araki , 2002 Asia-Pacific Microwave Conference (2002 APMC) Proc. (p.839 - 842) , 2002.11 , There is Review , The Multiple Authorship , English
60-GHz antenna and 5-GHz demodulator MMICs for more than 1-Gbps FSK transceivers , Tadao Nakagawa, Kenjiro Nishikawa, Belinda Piernas, Tomohiro Seki, and Katsuhiko Araki , 32nd European Microwave Conference (EuMC) Proc. (p.929 - 932) , 2002.09 , There is Review , The Multiple Authorship , English
60-GHz single-chip receiver 3-D MMIC using commercial GaAs pHEMT technology , Kenjiro Nishikawa, Belinda Piernas, Tadao Nakagawa, Katsuhiko Araki, and Keizo Cho , Extended Abstract of the 2002 International Conference on Solid State Devices and Material (SSDM 2002) (p.302 - 303) , 2002.09 , There is Review , The Multiple Authorship , English
High-Q factor three-dimensional inductors , Belinda Piernas, Kenjiro Nishikawa, Kenji Kamogawa, Tadao Nakagawa, and Katsuhiko Araki , IEEE Trans. Microwave Theory Tech. , vol.50 (8) (p.1942 - 1949) , 2002.08 , There is Review , The Multiple Authorship , English
Compact LNA and VCO 3-D MMICs using commercial GaAs PHEMT technology for V-band single-chip TRX MMIC , Kenjiro Nishikawa, Belinda Piernas, Kenji Kamogawa, Tadao Nakagawa, and Katsuhiko Araki , 2002 IEEE MTT-S International Microwave Symposium Dig. (p.1717 - 1720) , 2002.06 , There is Review , The Multiple Authorship , English
Miniaturized and broadband V-band balanced frequency doubler for highly integrated 3-D MMIC , Kenjiro Nishikawa, Belinda Piernas, Tadao Nakagawa, and Katsuhiko Araki , 2002 IEEE MTT-S International Microwave Symposium Dig. (p.351 - 354) , 2002.06 , There is Review , The Multiple Authorship , English
Reduction of intermodulation distortion in active phased array antenna systems using a distortion controller , Takana Kaho, Tadao Nakagawa, and Katsuhiko Araki , 2002 IEEE MTT-S International Microwave Symposium Dig. (p.781 - 784) , 2002.06 , There is Review , The Multiple Authorship , English
A 0.9-2.6 GHz broadband RF front-end for direct conversion transceivers , Munenari Kawashima, Hitoshi Hayashi, Kenjiro Nishikawa, Tadao Nakagawa, and Katsuhiko Araki , 2002 IEEE MTT-S International Microwave Symposium Dig. (p.927 - 930) , 2002.06 , There is Review , The Multiple Authorship , English
Analysis of balanced active doubler for broad-band operation-the frequency-tuning concept , Belinda Piernas, Kenjiro Nishikawa, Tadao Nakagawa, Hitoshi Hayashi and Katsuhiko Araki , IEEE Trans. Microwave Theory Tech. , vol.50 (4) (p.1120 - 1126) , 2002.04 , There is Review , The Multiple Authorship , English
A miniaturized MMIC analog phase shifter using two quarter-wave-length transmission lines , Hitoshi Hayashi, Tadao Nakagawa, and Katsuhiko Araki , IEEE Trans. Microwave Theory Tech. , vol.50 (1) (p.150 - 154) , 2002.01 , There is Review , The Multiple Authorship , English
A 1.9-GHz direct-conversion receiver RF front-end using novel power dividers , Munenari Kawashima, Hitoshi Hayashi, Tadao Nakagawa, and Katsuhiko Araki , 2001 Asia-Pacific Microwave Conference (2001 APMC) Proc. (p.992 - 995) , 2001.12 , There is Review , The Multiple Authorship , English
A low noise distributed amplifier using cascode-connected BJT terminal circuit , Munenari Kawashima, Hitoshi Hayashi, Tadao Nakagawa, and Katsuhiko Araki , 2001 Asia-Pacific Microwave Conference (2001 APMC) Proc. (p.21 - 24) , 2001.12 , There is Review , The Multiple Authorship , English
A 0.9-2.5 GHz wideband direct conversion receiver for multi-band applications , Tadao Nakagawa, Munenari Kawashima, Hitoshi Hayashi, and Katsuhiko Araki , 2001 IEEE GaAs IC Symposium Dig. (p.37 - 40) , 2001.10 , There is Review , The Multiple Authorship , English
Improved three-dimensional GaAs inductors , Belinda Piernas, Kenjiro Nishikawa, Kenji Kamogawa, Tadao Nakagawa, and Katsuhiko Araki , 2001 IEEE MTT-S International Microwave Symposium Dig. (p.189 - 192) , 2001.05 , There is Review , The Multiple Authorship , English
Broadband and compact Si BJT balanced up-converter MMIC using Si 3-D MMIC technology , Kenjiro Nishikawa, Kenji Kamogawa, Tadao Nakagawa, Belinda Piernas, and Katsuhiko Araki , 2001 IEEE MTT-S International Microwave Symposium Dig. (p.87 - 90) , 2001.05 , There is Review , The Multiple Authorship , English
Miniaturised 45º power divider using three-dimensional MMIC technology , Hitoshi Hayashi, Belinda Piernas, Kenjiro Nishikawa, and Tadao Nakagawa , Electronics Letters , vol.36 (21) (p.1785 - 1787) , 2000.10 , There is Review , The Multiple Authorship , English
Effect of phase noise on RF communication signals , Tadao Nakagawa and Katsuhiko Araki , Vehicular Technology Conference Fall 2000 (VTC-Fall 2000) Proc. (p.588 - 591) , 2000.09 , There is Review , The Multiple Authorship , English
A broadband miniaturized V-band PHEMT frequency doubler , Belinda Piernas, Hitoshi Hayashi, Kenjiro Nishikawa, Kenji Kamogawa, and Tadao Nakagawa, , IEEE Microwave and Guided Wave Letters , vol.10 (7) (p.276 - 278) , 2000.07 , There is Review , The Multiple Authorship , English
Improvement of the design of 180º rat-race hybrid , Belinda Piernas, Hitoshi Hayashi, Kenjiro Nishikawa, and Tadao Nakagawa, , Electronics Letters , vol.36 (12) (p.1035 - 1036) , 2000.06 , There is Review , The Multiple Authorship , English
Low-voltage C-band SiBJT single-chip receiver MMIC based on Si 3-D MMIC technology , Kenjiro Nishikawa, Kenji Kamogawa, Tadao Nakagawa, and Masayoshi Tanaka , IEEE Microwave and Guided Wave Letters , vol.10 (6) (p.248 - 250) , 2000.06 , There is Review , The Multiple Authorship , English
New methodology for microwave/millimeter-wave MMIC development , Kenji Kamogawa, Kenjiro Nishikawa, I. Toyoda, M. Tokumitsu, M. Hirano, Tadao Nakagawa, and Masahiro Muraguchi , 2000 IEEE MTT-S International Microwave Symposium Dig. (p.1913 - 1916) , 2000.06 , There is Review , The Multiple Authorship , English
A new family of broadband phase compensated 180º rat race hybrid type power dividers , Belinda Piernas, Hitoshi Hayashi, Kenjiro Nishikawa, and Tadao Nakagawa , 2000 Topical Symposium on Millimeter Waves Dig. (p.153 - 156) , 2000.05 , There is Review , The Multiple Authorship , English
A low-power Ku-band GaAs monolithic frequency quadrupler , Hiroshi Okazaki, Tadao Nakagawa, and Katsuhiko Araki , 29th European Microwave Conference (EuMC) Proc. (p.353 - 356) , 1999.10 , There is Review , The Multiple Authorship , English
A phase interpolation direct digital synthesizer with a symmetrically structured delay generator , Hideyuki Nosaka, Tadao Nakagawa, and Akihiro Yamagishi , IEICE Trans. Electron. , vol.E82-C (7) (p.1067 - 1072) , 1999.07 , There is Review , The Multiple Authorship , English
A fast frequency-switching synthesizer with an integration circuit , Hideyuki Nosaka, Tadao Nakagawa, and Akihiro Yamagishi , IEEE Trans. Microwave Theory Tech. , vol.46 (12) (p.2233 - 2239) , 1998.12 , There is Review , The Multiple Authorship , English
A phase interpolation direct digital synthesizer with a symmetrically structured delay generator , Hideyuki Nosaka, Tadao Nakagawa, and Akihiro Yamagishi , 1998 Asia-Pacific Microwave Conference (1998 APMC) Proc. (p.1343 - 1346) , 1998.12 , There is Review , The Multiple Authorship , English
A fast frequency switching synthesizer with a digitally controlled delay generator , Hideyuki Nosaka, Tadao Nakagawa, and Akihiro Yamagishi , IEICE Trans. Fundamentals , vol.E81-A (7) (p.1466 - 1472) , 1998.07 , There is Review , The Multiple Authorship , English
A high-efficiency linear power amplifier with a novel output power control technique , Yo Yamaguchi, Masahiro Muraguchi, Tadao Nakagawa, and Masashi Nakatsugawa , IEICE Trans. Electron. , vol.E81-C (6) (p.892 - 897) , 1998.06 , There is Review , The Multiple Authorship , English
A fast frequency switching synthesizer with an integration circuit , Hideyuki Nosaka, Tadao Nakagawa, and Akihiro Yamagishi , 1998 IEEE MTT-S International Microwave Symposium Dig. (p.1839 - 1842) , 1998.06 , There is Review , The Multiple Authorship , English
Sampling phase detector using a resonant tunneling high electron mobility transistor for microwave phase-locked oscillators , Hiroshi Okazaki, Tadao Nakagawa, Masahiro Muraguchi, Hiroyuki Fukuyama, Koichi Maezawa, and M. Yamamoto , IEEE Trans. VLSI systems , vol.6 (1) (p.39 - 42) , 1998.03 , There is Review , The Multiple Authorship , English
A novel optical control technique using tunable inductactance circuits , Hitoshi Hayashi, Masashi Nakatsugawa, Tadao Nakagawa, and Masahiro Muraguchi , IEICE Trans. Electron. , vol.E81-C (2) (p.299 - 304) , 1998.02 , There is Review , The Multiple Authorship , English
A low-power X-band frequency synthesizer module , Tadao Nakagawa, Hiroshi Okazaki, and Yo Yamaguchi , 1997 IEEE MTT-S International Microwave Symposium Dig. (p.1209 - 1212) , 1997.06 , There is Review , The Multiple Authorship , English
A phase interpolation direct digital synthesizer with a digitally controlled delay generator , Hideyuki Nosaka, Tadao Nakagawa, and Akihiro Yamagishi , 1997 Symposium on VLSI Circuits Dig. (p.75 - 76) , 1997.06 , There is Review , The Multiple Authorship , English
A direct digital synthesizer with interpolation circuits , Tadao Nakagawa and Hideyuki Nosaka , IEEE J. Solid-State Circuits , vol.32 (5) (p.766 - 770) , 1997.05 , There is Review , The Multiple Authorship , English
An MMIC V-band phase-locked oscillator using a GaAs MMIC sampling phase detector , Atsushi Kanda, Tadao Nakagawa, Tetsuo Hirota, Hiroshi Okazaki, and Masaru Nakamae , IEEE Trans. Microwave Theory Tech. , vol.45 (5) (p.659 - 665) , 1997.05 , There is Review , The Multiple Authorship , English
A 2.7-V quasi-microwave Si-bipolar quarature modulator without tuning , Tsuneo Tsukahara, Tadao Nakagawa, and Masahiro Muraguchi , IEICE Trans. Fundamentals , vol.E80-A (2) (p.349 - 352) , 1997.02 , There is Review , The Multiple Authorship , English
A novel optical control technique using tunable inductor circuits , Hitoshi Hayashi, Masashi Nakatsugawa, Tadao Nakagawa , 1996 International Topical Meeting on Microwave Photonics Dig. (p.277 - 280) , 1996.12 , There is Review , The Multiple Authorship , English
A direct digital synthesizer with interpolation circuits , Tadao Nakagawa and Hideyuki Nosaka , 1996 Symposium on VLSI Circuits Dig. (p.58 - 59) , 1996.06 , There is Review , The Multiple Authorship , English
A low phase noise C-band frequency synthesizer using a new fractional-N PLL with programmable fractionality , Tadao Nakagawa and Tsuneo Tsukahara , IEEE Trans. Microwave Theory Tech. , vol.44 (2) (p.344 - 346) , 1996.02 , There is Review , The Multiple Authorship , English
A linearizing technique for GaAs power amplifiers , Yo Yamaguchi, Masahiro Muraguchi, Tadao Nakagawa, Masashi Nakatsugawa, and Tsuneo Tsukahara , 1995 IEEE GaAs Symposium Proc. (p.288 - 291) , 1995.10 , There is Review , The Multiple Authorship , English
New MMICs for tuners in multi-channel video distribution systems using optical fiber networks , Tadao Nakagawa, Tetsuo Hirota, Takashi Ohira, Masayoshi Aikawa, Ko-ichi Suto, and Etsugo Yoneda, , IEEE Trans. Microwave Theory Tech. , vol.43 (7) (p.1686 - 1691) , 1995.07 , There is Review , The Multiple Authorship , English
An MMIC local oscillator for 16-QAM digital microwave radio systems , Hideo Suwaki, Tadao Nakagawa, and Takashi Ohira , IEEE Trans. Microwave Theory Tech. , vol.43 (6) (p.1230 - 1235) , 1995.06 , There is Review , The Multiple Authorship , English
A phase noise reduction technique for MMIC frequency synthesizers that uses a new pulse generator LSI , Tadao Nakagawa and Takashi Ohira, , IEEE Trans. Microwave Theory Tech. , vol.42 (12) (p.2579 - 2582) , 1994.12 , There is Review , The Multiple Authorship , English
A novel phase noise reduction technique for MMIC Frequency synthesizers that uses newly developed pulse generator LSI , Tadao Nakagawa and Takashi Ohira , 1994 IEEE MTT-S International Microwave Symposium Dig. (p.95 - 98) , 1994.05 , There is Review , The Multiple Authorship , English
An MMIC local oscillator for 16QAM digital microwave radio systems , Hideo Suwaki, Tadao Nakagawa, and Takashi Ohira , 23rd European Microwave Conference (EuMC) Proc. (p.158 - 160) , 1993.09 , There is Review , The Multiple Authorship , English
A GaAs monolithic sampling phase frequency comparator for extending the pull-in range of microwave phase-locked oscillators , Tadao Nakagawa, Tetsuo Hirota, and Takashi Ohira , IEICE Trans. Electron. , vol.E76-C (6) (p.944 - 949) , 1993.06 , There is Review , The Multiple Authorship , English
Low-noise MMIC phase-locked oscillators using an EXOR and a PFC , Tadao Nakagawa, Hideo Suwaki, and Takashi Ohira , IEICE Trans. Electron. , vol.E76-C (6) (p.950 - 954) , 1993.06 , There is Review , The Multiple Authorship , English
A novel MMIC approach to sampling phase/frequency detection for Microwave Quartz-Lock Oscillators , Tadao Nakagawa, Tetsuo Hirota, and Takashi Ohira , 1992 IEEE MTT-S International Microwave Symposium Dig. (p.1301 - 1304) , 1992.06 , There is Review , The Multiple Authorship , English
GaAs/Si MMIC synthesized upconverter for broadband tuners in optical-fiber CATV systems , Takashi Ohira, Tetsuo Hirota, T. Hiraoka, Tadao Nakagawa , 21st European Microwave Conference (EuMC) Proc. (p.473 - 478) , 1991.09 , There is Review , The Multiple Authorship , English
GaAs MMIC sampling phase detector for phase-locked oscillators up to 20 GHz , Tadao Nakagawa and Takashi Ohira , 3rd Asia-Pacific Microwave Conference (APMC) Proc. (p.1121 - 1123) , 1990.09 , There is Review , The Multiple Authorship , English
Magnetization measurements in very high pulsed fields produced by a single-turn coil system , Kiichi Amaya, Shojiro Takeyama, Tadao Nakagawa, Mamoru Ishizuka, Koichi Nakao, Toshiro. Sakakibara, Tsuneaki Goto, Noboru Miura, Yoshitami Ajiro, and Hikomitsu Kikuchi , Physica B , vol.155 (p.396 - 399) , 1989.03 , There is Review , The Multiple Authorship , English
Magnetisation measurements in ultra-high magnetic fields produced by a single-turn coil system , Shojiro Takeyama, Kiichi Amaya, Tadao Nakagawa, Mamoru Ishizuka, Koichi Nakao, Toshiro Sakakibara, Tsuneaki Gotot, Noboru Miura, Yoshitami Ajiro and Hikomitsu Kikuchi , Journal of Physics E: Scientific Instruments , vol.21 (11) (p.1025 - 1028) , 1988.11 , There is Review , The Multiple Authorship , English
Production of negative spin temperature in pulsed magnetic field , Yoshitomo Karaki, Mamoru Ishizuka, Tadao Nakagawa, Kiichi Amaya and Taiichiro Haseda , Japanese Journal of Applied Physics , vol.26 (p.855 - 856) , 1987.08 , There is Review , The Multiple Authorship , English
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