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IEICE Trans

Kazunori KOBAYASHI

Impedance Matching in High-Power Resonant-Tunneling-Diode Terahertz Oscillators Integrated with Rectangular-Cavity Resonator
Feifan HAN Kazunori KOBAYASHI Safumi SUZUKI Hiroki TANAKA Hidenari FUJIKATA Masahiro ASADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2021/08/01
Vol. E104-C  No. 8  pp. 398-402
Type of Manuscript:  BRIEF PAPER
Category: Semiconductor Materials and Devices
Keyword: 
terahertz oscillators, resonant tunneling diode, rectangular cavity resonator, impedance matching, 
 Summary | Full Text:PDF
Integration of Spatial Cue-Based Noise Reduction and Speech Model-Based Source Restoration for Real Time Speech Enhancement
Tomoko KAWASE Kenta NIWA Masakiyo FUJIMOTO Kazunori KOBAYASHI Shoko ARAKI Tomohiro NAKATANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2017/05/01
Vol. E100-A  No. 5  pp. 1127-1136
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
microphone array, beamforming (BF), power spectral density (PSD) estimation, Gaussian mixture model, Wiener filtering, 
 Summary | Full Text:PDF
Enhancement of Sound Sources Located within a Particular Area Using a Pair of Small Microphone Arrays
Yusuke HIOKA Kazunori KOBAYASHI Ken'ichi FURUYA Akitoshi KATAOKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2  pp. 561-574
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
microphone array, noise suppression, spectrum emphasis, power spectrum estimation, non-negative least squares method, 
 Summary | Full Text:PDF
An Approach to Solve Local Minimum Problem in Sound Source and Microphone Localization
Kazunori KOBAYASHI Ken'ichi FURUYA Yoichi HANEDA Akitoshi KATAOKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/12/01
Vol. E90-A  No. 12  pp. 2826-2834
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
microphone array, localization, local minimum, teleconference, 
 Summary | Full Text:PDF