Kozo HASHIMOTO


Isosceles-Trapezoidal-Distribution Edge Tapered Array Antenna with Unequal Element Spacing for Solar Power Satellite
A.K.M. BAKI Kozo HASHIMOTO Naoki SHINOHARA Tomohiko MITANI Hiroshi MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/02/01
Vol. E91-B  No. 2  pp. 527-535
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
SPSmicrowave power transmissionphased arrayunequally spaced arrayantenna tapering
 Summary | Full Text:PDF(1.6MB)

New Stochastic Algorithm for Optimization of Both Side Lobes and Grating Lobes in Large Antenna Arrays for MPT
Naoki SHINOHARA Blagovest SHISHKOV Hiroshi MATSUMOTO Kozo HASHIMOTO A.K.M. BAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 286-296
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
microwave power transmissionlarge antenna arrayuniform spacingrandom spacingspatial and amplitude taperingside lobe levelgrating lobesworkspacetransmitting efficiencybeam collection efficiency
 Summary | Full Text:PDF(1.2MB)

Study of Isosceles Trapezoidal Edge Tapered Phased Array Antenna for Solar Power Station/Satellite
A.K.M. BAKI Naoki SHINOHARA Hiroshi MATSUMOTO Kozo HASHIMOTO Tomohiko MITANI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/04/01
Vol. E90-B  No. 4  pp. 968-977
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
SPSmicrowave power transmissionphased arrayantenna tapering
 Summary | Full Text:PDF(1.2MB)

Improvement of Spurious Noises Generated from Magnetrons Driven by DC Power Supply after Turning off Filament Current
Tomohiko MITANI Naoki SHINOHARA Hiroshi MATSUMOTO Kozo HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1556-1563
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
microwave power transmissionmagnetronfilament currentspurious noises
 Summary | Full Text:PDF(693.7KB)

Solar Power Station/Satellite (SPS) with Phase Controlled Magnetrons
Naoki SHINOHARA Hiroshi MATSUMOTO Kozo HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1550-1555
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
SPSmicrowave power transmissionphase magnetronphased array
 Summary | Full Text:PDF(1MB)

Design of a Small Loop Antenna System for Receiving Waves in VLF and MF Bands Using a Series-Transformer Network
Toshimi OKADA Isamu NAGANO Kozo HASHIMOTO Iwane KIMURA Hiroshi OYA Akira MORIOKA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/06/25
Vol. E70-E  No. 6  pp. 550-561
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
 Summary | Full Text:PDF(1021.8KB)

Experiments by an Adaptive Antenna with a Low Frequency Model
Kozo HASHIMOTO Yasuyuki ITOH Koji KOMIYAMA Kazuaki TAKAO Iwane KIMURA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/04/25
Vol. E64-E  No. 4  pp. 246-251
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
 Summary | Full Text:PDF(377.2KB)