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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 19 of 19  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW 2022-12-16
10:25
Mie Jingu-Kaikan(Ise)
(Primary: On-site, Secondary: Online)
Development of 28-GHz-band VNA based on six-port method
Makoto Yoshida (CDEX), Kohei Fujiwara, Kouich Tokita, Hidehiko Yamaoka (TIRI), Toshiyuki Yakabe (MPL LLP)
(To be available after the conference date) [more]
MW 2022-11-16
11:50
Nagasaki Fukue-Bunka-Kaikan
(Primary: On-site, Secondary: Online)
Development of reference signal generator in 28-GHz-band
Makoto Yoshida (CDEX), Kohei Fujiwara, Kouichi Tokita (TIRI), Toshiyuki Yakabe (MPL) MW2022-126
 [more] MW2022-126
pp.90-95
MW 2022-03-03
16:55
Online Online [Invited Talk] Alternative Method for Vector Network Analyzer -- Introduction of the Six-Port Based S Parameter Measurement Method --
Toshiyuki Yakabe (MPL LLP) MW2021-127
 [more] MW2021-127
pp.90-95
MW 2022-03-04
13:00
Online Online Expantion of dynamicrange on a six-port correlator in the transmission measurement
Kohei Fujiwara, Kouichi Tokita (TIRI), Toshiyuki Yakabe (MPL), Makoto Yoshida (CDEX) MW2021-136
A conventional vector network analyzer employs the super-heterodyne scheme to expand a measuring frequency band. The cir... [more] MW2021-136
pp.140-145
MW 2021-11-19
09:30
Kagoshima Kagoshima University
(Primary: On-site, Secondary: Online)
Fundamental Study on Uncertainty of Transmission Coefficient Measurement Using a Simplified Six-Port Correlator
Masahiro Hanazawa (UL Japan), Makoto Yoshida (CDEX), Toshiyuki Yakabe (MLP) MW2021-74
 [more] MW2021-74
pp.40-45
MW 2021-11-19
09:55
Kagoshima Kagoshima University
(Primary: On-site, Secondary: Online)
Transmission measurement on a six-port correlator in the 28 GHz band
Kohei Fujiwara, Kouichi Tokita (TIRI), Toshiyuki Yakabe (MPL), Makoto Yoshida (CDEX) MW2021-75
 [more] MW2021-75
pp.46-51
OPE, MW, IEE-EMT, MWP, EST, EMT, THz [detail] 2021-07-15
11:05
Online Online A Simplified Six-port Correlator -- Calibration and Measurement Method of Two-port Device Under Test --
Toshiyuki Yakabe (MPL LLP), Makoto Yoshida (CDEX, Co., LTD), Masahiro Hanazawa (UL Japan, Inc) EMT2021-9 MW2021-14 OPE2021-3 EST2021-10 MWP2021-11
A simplified Six-port Correlator, which consists of six power dividers/combiners and one phase shifter, is proposed. “Si... [more] EMT2021-9 MW2021-14 OPE2021-3 EST2021-10 MWP2021-11
pp.11-15
WPT, MW 2021-04-16
13:05
Online Online Study on Uncertainty of Reflection Measurement Using a Six Port-Correlator
Masahiro Hanazawa (UL Japan), Makoto Yoshida (CDEX), Toshiyuki Yakabe (MPL LLP.) WPT2021-1 MW2021-1
A six-port-correlator consisting only of power receiving elements can measure complex reflection and transmission coeffi... [more] WPT2021-1 MW2021-1
pp.1-5
MW, EST, EMCJ, PEM, IEE-EMC [detail] 2020-10-22
09:55
Online Online V-Band six-port type reflectometer based reflection measurement system using a standing wave detector
Kohei Fujiwara, Kouichi Tokita (TIRI), Toshiyuki Yakabe (MPL) EMCJ2020-26 MW2020-40 EST2020-28
A general vector network analyzer employs the super-heterodyne scheme to expand a measuring frequency band, easily. On t... [more] EMCJ2020-26 MW2020-40 EST2020-28
pp.9-13
WPT 2019-06-10
15:30
Hokkaido Hokkaido Univ. [Special Talk] Measurement Techniques and Evaluation of Uncertainty in High Frequency Band
Toshiyuki Yakabe (MPL)
 [more]
MW 2015-05-28
17:10
Tokyo The Univ. of Electro-Commun. [Special Talk] Alternative high frequency analog measurement method and its application -- Six-Port Reflectometer (SPR) and Six-Port Correlator (SPC) --
Toshiyuki Yakabe (MPL LLP)
 [more]
MW 2014-12-18
10:50
Tokyo Aoyama Gakuin Univ. Aoyama Campus Study on Mechanism of Ultra-Wideband Planar Antenna with Back-Windowed Ground
Hiroya Tsukamoto, Toshiyuki Yakabe (UEC), Keren Li (NICT) MW2014-152
In recent mobile/wireless communication systems, most of handsets and base-stations of the systems have been equipped wi... [more] MW2014-152
pp.25-30
MW 2014-12-19
14:35
Tokyo Aoyama Gakuin Univ. Aoyama Campus Self Calibration of Six-Port Correlator Based VNA
Shingo Yasudomi, Toshiyuki Yakabe (UEC) MW2014-176
In the previous research, we have proposed the homodyne six-port correlator (SPC) based VNA, which can measure the S-par... [more] MW2014-176
pp.153-158
MW 2013-12-19
14:50
Saitama Saitama Univ. Accuracy and Dynamic Range Improvements on Six-Port Correlator Based VNA
Shingo Yasudomi, Hiroya Tsukamoto, Toshiyuki Yakabe (UEC) MW2013-160
Accuracy and dynamic range improvements on a six-port correlator (SPC) based VNA are discussed in this paper. The SPC is... [more] MW2013-160
pp.53-58
MW 2013-12-19
15:15
Saitama Saitama Univ. Self Calibratable and Adjustable SPC Based One-Port Standard
Kazuya Tsukamoto, Toru Matsudo, Hayato Yasui, Toshiyuki Yakabe (UEC)
 [more]
MW 2012-10-19
13:25
Tochigi Utsunomiya Univ. Study on the Micro Displacement Sensor Using the MMIC Six-Port Correlator
Nobuaki Iwaki, Toshiyuki Yakabe (UEC Tokyo) MW2012-106
(To be available after the conference date) [more] MW2012-106
pp.141-145
MW 2010-03-04
13:40
Kyoto Ryukoku Univ. Modeling of a Multi-Port Wave Correlator Based VNA for Two-port DUT
Hiroki Matsuura, Yuuya Matsuda, Kenji Hirose, Naoto Akutsu, Toshiyuki Yakabe (Univ. of Electro-Comm.) MW2009-189
Vector network analyzer (VNA) plays a significant role in the measurement and design of radio frequency system. Multi-po... [more] MW2009-189
pp.59-63
MW 2010-03-04
14:00
Kyoto Ryukoku Univ. Evaluation of a Prototype MMIC Six-Port Wave correlator Based VNA for Two-port DUT
Kenji Hirose, Hiroki Matsuura, Hiromichi Yagi, Ryoji Matsuguma, Toshiyuki Yakabe (Univ. of Electro-Comm.) MW2009-190
A prototype vector network analyzer using the MMIC six-port correlator was constructed and evaluated for miniaturization... [more] MW2009-190
pp.65-69
MW 2008-11-21
11:45
Nagasaki Nagasaki-Univ. Spectral Analysis by Parallel Tuned Filters
Noriaki Komiya, Toshiyuki Yakabe (Univ. of Electro-Communications) MW2008-138
For an accurate measurement of unwanted emission power levels radiated by radio stations, it is necessary to know inform... [more] MW2008-138
pp.113-118
 Results 1 - 19 of 19  /   
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