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IEICE Trans

Koji YOSHIDA

Ku/Ka-band Compact Orthomode Junction with Low Pass Filters for High Power Applications
Hidenori YUKAWA Koji YOSHIDA Tomohiro MIZUNO Tetsu OWADA Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/02/01
Vol. E98-C  No. 2  pp. 156-161
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
waveguide, antenna feed, polarization, orthomode junction, wideband, 
 Summary | Full Text:PDF
Noise Post-Processing for Low Bit-Rate CELP Coders
Hiroyuki EHARA Kazutoshi YASUNAGA Koji YOSHIDA Yusuke HIWASAKI Kazunori MANO Takao KANEKO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/06/01
Vol. E87-D  No. 6  pp. 1507-1516
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
CELP, background noise, post-processing, frame erasure, ITU-T, 
 Summary | Full Text:PDF
4-kbit/s Multi-Dispersed-Pulse-Based CELP (MDP-CELP) Speech Coder
Hiroyuki EHARA Koji YOSHIDA Kazutoshi YASUNAGA Toshiyuki MORII 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/02/01
Vol. E85-D  No. 2  pp. 392-401
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
CELP coding, speech coding, noise post-processing, backward adaptive mode switching, 4-kbit/s, 
 Summary | Full Text:PDF
Reflection of Light Caused by Sharp Bends in Optical Fiber
Kyozo TSUJIKAWA Koji ARAKAWA Koji YOSHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/11/25
Vol. E82-C  No. 11  pp. 2105-2107
Type of Manuscript:  LETTER
Category: Opto-Electronics
Keyword: 
reflection, sharp bends in optical fiber, bending loss, OTDR, OLCR, fiber coating, 
 Summary | Full Text:PDF
A Novel Zero-Voltage-Switched Half-Bridge Converter with Active Current-Clamped Transformer
Koji YOSHIDA Tamotsu NINOMIYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/12/25
Vol. E81-B  No. 12  pp. 2544-2552
Type of Manuscript:  PAPER
Category: Power Supply
Keyword: 
half-bridge converter, zero-voltage-switching, active current-clamped transformer, low-voltage DC/DC converter, 
 Summary | Full Text:PDF
Mechanical Optical Switch for Single Mode Fiber
Masanobu SHIMIZU Koji YOSHIDA Toshihiko OHTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/04/25
Vol. E76-B  No. 4  pp. 370-374
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Fiber Cables and Related Technologies)
Category: 
Keyword: 
mechanical switch, SMF, plastic ferrule transfer mold, optical communication, 
 Summary | Full Text:PDF
Time-Domain Analysis Methods for Switching Converters Using Eigen-Value and Eigen-Vector Calculations
Ichirou OOTA Fumio UENO Takahiro INOUE Koji YOSHIDA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/10/25
Vol. E72-E  No. 10  pp. 1135-1140
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
 Summary | Full Text:PDF