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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP (2nd) |
2015-05-29 13:50 |
Tokyo | NICT Headquarters | Pattern measurements for base station antennas by measuring the near-feild on a circle
-- Comparison of absolute gains by GCNF(Great Circular Near-Field) method and CNF method -- Masanobu Hirose (AIST), Masayuki Nakano (KDDI), Satoru Kurokawa (AIST) |
[more] | |
| OFT, PEM (Joint) |
2015-05-22 11:35 |
Ishikawa | Dynamic range improvements for superluminescent diode driven electro-absorption modulator Satoru Kurokawa, Masanobu Hirose (AIST) |
(Advance abstract in Japanese is available) [more] | ||
| AP (2nd) |
2015-01-08 11:05 |
Overseas | PTIT, Ho Chi Minh City, Vietnam | Monostatic RCS Calibration of Trihedral Corner Reflector by Extrapolation Range Method in W-band Michitaka Ameya, Satoru Kurokawa, Masanobu Hirose (AIST) |
[more] | |
| AP (2nd) |
2014-12-19 10:00 |
Kagoshima | Tanegashima Space Center | A Study of Low-Frequency Inverted-F Antenna on Hemispherical Ground Plane Yusuke Saita, Tsutomu Ito, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Michitaka Ameya, Masanobu Hirose, Satoru Kurokawa (AIST) |
We have studied the helmet antenna. However, it has a problem that the gain decreases in proximity to human head. In thi... [more] | |
| AP (2nd) |
2014-12-19 10:50 |
Kagoshima | Tanegashima Space Center | Uncertainty Analysis of Pulse Compression processing for Far Field Free Space Antenna Factor Calibration Method for Bi-log antenna Satoru Kurokawa, Masanobu Hirose, Michitaka Ameya (AIST) |
[more] | |
| EMCJ, PEM (Joint) |
2014-11-14 11:35 |
Tokyo | AIST Tokyo Waterfront | Far Field Free Space Antenna Factor Calibration Method for Bilog antenna Satoru Kurokawa, Masanobu Hirose, Michitaka Ameya (AIST)  EMCJ2014-70 |
Bilog antenna is a super broadband antenna for radiated electromagnetic interference measurement. We apply our proposed ... [more] | EMCJ2014-70 pp.19-23 |
| AP (2nd) |
2014-06-27 11:00 |
Ibaraki | AIST | Antenna self-calibration method for log-periodeic dipole array antenna using time-frequency analysis Satoru Kurokawa, Masanobu Hirose (AIST) |
[more] | |
| AP (2nd) |
2014-06-27 13:15 |
Ibaraki | AIST | Pattern Measurements of Base Station Antennas by Near-Field Measurements on a Circle(1)
-- Comparison Among Kim Method, Near-Field Method, and Far-Field Method -- Masanobu Hirose (AIST), Masayuki Nakano (KDDI Lab.), Michitaka Ameya, Satoru Kurokawa (AIST) |
Kim method realizes to obtain the sharp-beam far-field pattern of a base station antenna from the measurement on a circl... [more] | |
| AP (2nd) |
2014-04-25 11:00 |
Miyagi | Aoba Memorial Hall (Sendai) | Antenna measurement using a super luminescent diode type electromagnetic field sensor system. Satoru Kurokawa, Masanobu Hirose (AIST), Yoshikazu Toba (Seiko giken), Michitaka Ameya (AIST) |
[more] | |
| AP, PEM (2nd) |
2013-12-20 13:15 |
Okinawa | Nobumoto Ohama Memorial Hall (Ishigaki) | Study of the Helmet Antenna (150 MHz/2.4 GHz) for Disaster Prevention Noriyuki Kagiyama, Yusuke Saita, Tsutomu Ito, Hisashi Morishita (NDA), Michitaka Ameya, Masanobu Hirose, Satoru Kurokawa (AIST) |
[more] | |
| AP, PEM (2nd) |
2013-12-20 15:05 |
Okinawa | Nobumoto Ohama Memorial Hall (Ishigaki) | Experimental Study of Far Field Antenna Factor Measurement for EMI Super Broadband Antennas in Near Distance Satoru Kurokawa, Masanobu Hirose (AIST) |
[more] | |
| AP, PEM (Joint) |
2013-10-03 14:25 |
Ishikawa | Kanazawa Univ. Satellite-Plaza | Antenna Property Measurement for EMI Broadband Antenna Using Simple Optical Fiber Link Modules Satoru Kurokawa (AIST), Yoshikazu Toba (SEIKOH GIKEN), Masanobu Hirose, Michitaka Ameya (AIST) |
To determine the antenna gain and antenna factor of broadband antennas for electromagnetic interference measurement, we ... [more] | |
| AP, PEM (Joint) |
2013-10-03 15:25 |
Ishikawa | Kanazawa Univ. Satellite-Plaza | [Tutorial Lecture]
Three Methods to Obtain Antenna Gains and Patters by Measuring the Antenna Near-Fields
-- Conventional Near-Field Methods, A Method Using Amplitude Center and Pattern Sharpness, and Kim Method -- Masanobu Hirose (AIST) AP2013-91 |
(To be available after the conference date) [more] | AP2013-91 pp.25-30 |
| AP (2nd) |
2013-05-31 13:00 |
Ehime | Matsuyama Multi-Purpose Community Center | Far Gain Estimation for Biconical antenna for Radiated Electromagnetic Interference Measurement
-- Far Gain Estimation Comparison using Time-Frequency Analysis, Sharpness Factor and Phase Center -- Satoru Kurokawa, Masanobu Hirose, Michitaka Ameya (AIST) |
We have already propose a new estimation method for far-field gain of hybrid broadband antenna and log-periodic dipole a... [more] | |
| AP, ITE-BCT | 2013-02-07 09:00 |
Tokyo | AIST Tokyo Waterfront | Far-Gain Measurement for Log-periodic Antenna for EMI measurement at Near Antenna Distancein the near antenna distance Satoru Kurokawa, Masanobu Hirose, Michitaka Ameya (AIST) AP2012-159 |
We propose a new estimation method for far-field gain of broadband antenna at near distance. Our proposed method is base... [more] | AP2012-159 pp.7-12 |
| AP (2nd) |
2012-12-21 09:30 |
Okinawa | KDDI Naha Building 6F | Radiation Characteristics of the Helmet Antenna (150MHz/2.4GHz) for Disaster Prevention Noriyuki Kagiyama, Tsutomu Ito, Hisashi Morishita (NDA), Michitaka Ameya, Masanobu Hirose, Satoru Kurokawa (AIST) |
[more] | |
| AP (2nd) |
2012-12-21 13:45 |
Okinawa | KDDI Naha Building 6F | Antenna gain measurement for a broad-band antenna using time-frequency analysis Satoru Kurokawa, Masanobu Hirose, Michitaka Ameya (AIST) |
[more] | |
| MWP, OPE, MW, EMT, EST, IEE-EMT [detail] | 2012-07-27 10:15 |
Hokkaido | Hokkaido Univ. | Measurement method for electromagnetic shielding effect using optical fiber link broadband antenna Satoru Kurokawa, Yoshiki Yamazaki, Yuto Kato, Michitaka Ameya, Masanobu Hirose (AIST) MW2012-60 OPE2012-53 EST2012-42 MWP2012-41 |
We propose an evaluation method for shielding effect using an optical fiber link broadband transmitting antenna system t... [more] | MW2012-60 OPE2012-53 EST2012-42 MWP2012-41 pp.203-208 |
| AP (2nd) |
2012-06-08 09:35 |
Kochi | Kochi Prefectural Culture Hall | Theoretical investigation on relationship betwen near-field gain and far-field gain using phase center Masanobu Hirose, Michitaka Ameya, Satoru Kurokawa (AIST) |
We show theoretically that far-field gain from Friis transmission foumula at finite distance using phase center distance... [more] | |
| AP (2nd) |
2012-06-08 11:00 |
Kochi | Kochi Prefectural Culture Hall | Far-gain estimation for Log-periodic antenna using short time Fourier transform Satoru Kurokawa, Masanobu Hirose (AIST) |
We propose a new estimation method for far-field gain of log-periodic antenna at near distance. Our proposed method is b... [more] | |
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