Takashi KATAGI

Cross-Correlation by Single-bit Signal Processing for Ultrasonic Distance Measurement
Shinnosuke HIRATA Minoru Kuribayashi KUROSAWA Takashi KATAGIRI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/04/01
Vol. E91-A  No. 4  pp. 1031-1037
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 20th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
ultrasonic distance measurement, pulse-compression technique, delta-sigma modulation, cross-correlation, moving average filter, 
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Four-Reflector Offset Antennas for Space Communications
Takayoshi FURUNO Mikio TAKABAYASHI Yoichi KAWAKAMI Takashi KATAGI Hiroyoshi IKUNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/07/01
Vol. E85-B  No. 7  pp. 1342-1351
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
four-reflector offset antennas, cross-polarization elimination condition, beam mode expansion method, broadband characteristics condition, 
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A Linear Array Antenna Using Bifilar Helical Elements for Mobile Satellite Communications
Masataka OHTSUKA Yoshihiko KONISHI Makoto MATSUNAGA Takashi KATAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5  pp. 699-704
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Passive Devices
Keyword: 
mobile satellite communication, beam direction movement, bifilar helical antenna, TEM transmission line, array antenna, microwave and millimeter wave technology, 
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Separated Equivalent Edge Current Method for Calculating Scattering Cross Sections of Polyhedron Structures
Yonehiko SUNAHARA Hiroyuki OHMINE Hiroshi AOKI Takashi KATAGI Tsutomu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/11/25
Vol. E76-B  No. 11  pp. 1439-1444
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
antennas and propagation, scattering cross sections, equivalent edge current, geometrical theory of diffraction, 
 Summary | Full Text:PDF
Null Forming by Phase Control in Array Antennas
Isamu CHIBA Tadashi NUMAZAKI Seiji NANO Takashi KATAGI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/03/25
Vol. E67-E  No. 3  pp. 141-146
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
 Summary | Full Text:PDF