Toyoshi SHIMOMAI


Doppler Velocity Measurement of Portable X-Band Weather Radar Equipped with Magnetron Transmitter and IF Digital Receiver
Masayuki K. YAMAMOTO Tomoaki MEGA Nobuyuki IKENO Toyoshi SHIMOMAI Hiroyuki HASHIGUCHI Mamoru YAMAMOTO Masahisa NAKAZATO Takuya TAJIRI Takashi ICHIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/06/01
Vol. E94-B  No. 6  pp. 1716-1724
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
weather radarDoppler radarmagnetronIF digital receiverMicro Rain Radar
 Summary | Full Text:PDF(2.7MB)

Preliminary Study of Performance Evaluation of Adaptive Scan with Wide-Band Noise Modulation for Spaceborne Rain Radar Based on Simulation
Toyoshi SHIMOMAI Kentaro ADACHI Toshiaki KOZU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/03/01
Vol. E94-B  No. 3  pp. 786-792
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
spaceborne rain radarTRMMadaptive antenna scanwide-band noise modulationrainfall observation
 Summary | Full Text:PDF(588.1KB)

Simulation-Based Performance Evaluation of Adaptive Scan for Spaceborne Rain Radar
Toyoshi SHIMOMAI Yusuke YOKOYAMA Tosihiaki KOZU Hiroshi HANADO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Vol. E91-B  No. 6  pp. 2020-2024
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
spaceborne rain radarTRMMadaptive antenna scan
 Summary | Full Text:PDF(593.1KB)