Toru TAKAHASHI


Design of the Circularly Polarized Ring Microstrip Antenna with Shorting Pins
Jun GOTO Akimichi HIROTA Kyosuke MOCHIZUKI Satoshi YAMAGUCHI Kazunari KIHIRA Toru TAKAHASHI Hideo SUMIYOSHI Masataka OTSUKA Naofumi YONEDA Jiro HIROKAWA 
Publication:   
Publication Date: 2022/01/01
Vol. E105-B  No. 1  pp. 34-43
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
array antennadual bandring microstrip antennashorting pin
 Summary | Full Text:PDF(3.9MB)

A Suspended Stripline Fed Dual-Polarized Open-Ended Waveguide Subarray with Metal Posts for Phased Array Antennas
Narihiro NAKAMOTO Toru TAKAHASHI Toru FUKASAWA Naofumi YONEDA Hiroaki MIYASHITA 
Publication:   
Publication Date: 2021/03/01
Vol. E104-B  No. 3  pp. 295-303
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
antenna arraydual-polarizationopen ended waveguidephased arraysuspended stripline
 Summary | Full Text:PDF(5.3MB)

Sidelobe Canceller Using Multiple Quantized Weights Combining for Reducing Excitation Error
Tasuku KURIYAMA Kazunari KIHIRA Toru TAKAHASHI Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/10/01
Vol. E96-B  No. 10  pp. 2483-2490
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012)
Category: Adaptive Array Antennas/MIMO
Keyword: 
sidelobe cancellerexcitation errornull forming
 Summary | Full Text:PDF(1.7MB)

Inclined Slot Array Antennas on a Hollow Rectangular Coaxial Line
Satoshi YAMAGUCHI Yukihiro TAHARA Toru TAKAHASHI Kazushi NISHIZAWA Hiroaki MIYASHITA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/09/01
Vol. E95-B  No. 9  pp. 2870-2877
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
rectangular coaxial linewaveguideslot array antennainclined linear polarization
 Summary | Full Text:PDF(2.7MB)

Ultra-Wideband Tapered Slot Antenna Arrays with Parallel-Plate Waveguides
Satoshi YAMAGUCHI Hiroaki MIYASHITA Toru TAKAHASHI Masataka OTSUKA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/05/01
Vol. E93-B  No. 5  pp. 1248-1255
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
tapered slot antennaparallel-plate waveguideswideband antennaarray antennaFDTD
 Summary | Full Text:PDF(1.3MB)

Mixture Density Models Based on Mel-Cepstral Representation of Gaussian Process
Toru TAKAHASHI Keiichi TOKUDA Takao KOBAYASHI Tadashi KITAMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8  pp. 1971-1978
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
Gaussian mixture modelstatistical frameworkmel-cepstrumEM algorithm
 Summary | Full Text:PDF(1MB)

Perturbational Analysis of Microstrip Antennas with Meshed Ground Planes
Toru TAKAHASHI Isamu CHIBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/09/01
Vol. E85-B  No. 9  pp. 1787-1796
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
microstrip antennameshed ground planeperturbationresonant frequencybackward radiation
 Summary | Full Text:PDF(1MB)

Direction of Next Generation Internet eXchanges
Ikuo NAKAGAWA Eisuke HAYASHI Toru TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/08/01
Vol. E84-B  No. 8  pp. 1989-1995
Type of Manuscript:  INVITED PAPER (Special Issue on Internet Technology)
Category: Internet Architecture
Keyword: 
Internet eXchangeinterconnectionpeeringBGP4
 Summary | Full Text:PDF(822.1KB)

Analytical Investigation of Resonant Frequency of a Microstrip Antenna with Meshed Ground Plane
Toru TAKAHASHI Isamu CHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/05/25
Vol. E83-C  No. 5  pp. 755-758
Type of Manuscript:  Special Section LETTER (Special Issue on Recent Developments in Guided-Wave Problems)
Category: 
Keyword: 
microstrip antennaresonant frequencymeshed ground planeperturbational technique
 Summary | Full Text:PDF(481.6KB)