Keyword : phase difference


Gain Relaxation: A Solution to Overlooked Performance Degradation in Speech Recognition with Signal Enhancement
Ryoji MIYAHARA Akihiko SUGIYAMA 
Publication:   
Publication Date: 2018/11/01
Vol. E101-A  No. 11 ; pp. 1832-1840
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Digital Signal Processing, Speech and Hearing
Keyword: 
signal enhancementspeech recognitionnoise suppressorbeamformerphase difference
 Summary | Full Text:PDF(1.4MB)

A Directional Noise Suppressor with a Specified Constant Beamwidth
Ryoji MIYAHARA Akihiko SUGIYAMA 
Publication:   
Publication Date: 2018/10/01
Vol. E101-A  No. 10 ; pp. 1616-1624
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
beamformernoise suppressorphase differenceDOAdirectional gainbeamwidth
 Summary | Full Text:PDF(3MB)

8-GHz Locking Range and 0.4-pJ Low-Energy Differential Dual-Modulus 10/11 Prescaler
Takeshi MITSUNAKA Masafumi YAMANOUE Kunihiko IIZUKA Minoru FUJISHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/06/01
Vol. E97-C  No. 6 ; pp. 486-494
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
ILFDprescalerCMOSphase differencephase noise
 Summary | Full Text:PDF(3.3MB)

Two-Microphone Noise Reduction Using Spatial Information-Based Spectral Amplitude Estimation
Kai LI Yanmeng GUO Qiang FU Junfeng LI Yonghong YAN 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/05/01
Vol. E95-D  No. 5 ; pp. 1454-1464
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
microphone arrayphase differencemagnitude squared coherencespectral amplitude estimator
 Summary | Full Text:PDF(1.4MB)

Stepwise Phase Difference Restoration Method for DOA Estimation of Multiple Sources
Masahito TOGAMI Yasunari OBUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11 ; pp. 3269-3281
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
DOA estimationphase differenceacoustic applicationsacoustic arrays
 Summary | Full Text:PDF(451.2KB)

MIMO System with Relative Phase Difference Time-Shift Modulation for Rician Fading Environment
Kenichi KOBAYASHI Takao SOMEYA Tomoaki OHTSUKI Sigit P.W. JAROT Tsuyoshi KASHIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/02/01
Vol. E91-B  No. 2 ; pp. 459-465
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMORician fadingdirect pathphase differenceTurbo code
 Summary | Full Text:PDF(682.1KB)

An Improved Scheme for Channel Parameter Estimation in Mobile Communication Systems
Jingyu HUA Xiaohu YOU Dongming WANG 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/12/01
Vol. E88-C  No. 12 ; pp. 2325-2329
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Technologies and Computational Electromagnetics)
Category: Mobile Communication
Keyword: 
probability density functionphase differenceDoppler shiftmobile communication
 Summary | Full Text:PDF(469KB)

Phase-Inversion Waves in Oscillators Coupled by Two Kinds of Inductors as a Ladder
Masayuki YAMAUCHI Yoshifumi NISHIO Akio USHIDA Mamoru TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/09/01
Vol. E87-A  No. 9 ; pp. 2233-2240
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: 
Keyword: 
coupled oscillatorssynchronizationwave propagationphase differencephase-inversion wave
 Summary | Full Text:PDF(1.1MB)

Precise and Reliable Image Shift Detection by a New Phase-Difference Spectrum Analysis (PSA) Method
Isamu KOUZUKI Tomonori KANEKO Minoru ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/01/01
Vol. E87-D  No. 1 ; pp. 58-65
Type of Manuscript:  Special Section PAPER (Special Section on Machine Vision Applications)
Category: Methodologies
Keyword: 
image shiftphase differencecross amplitudeimage inspection
 Summary | Full Text:PDF(1.2MB)

Analysis of Phase-Inversion Waves in Coupled Oscillators Synchronizing at In-and-Anti-Phase
Masayuki YAMAUCHI Masahiro OKUDA Yoshifumi NISHIO Akio USHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7 ; pp. 1799-1806
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
coupled oscillatorsphase differencephase-inversion wavesin-and-anti-phase synchronization
 Summary | Full Text:PDF(1.4MB)

Phase-Waves in a Ladder of Oscillators
Masayuki YAMAUCHI Yoshifumi NISHIO Akio USHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/04/01
Vol. E86-A  No. 4 ; pp. 891-899
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
coupled oscillatorsphase differencephase wavesphase-inversion waves
 Summary | Full Text:PDF(1.1MB)