Takayoshi NAKAI


Error Reduction by Reflected Signals in Automotive Radar Network Systems
Hiroyuki HATANO Masahiro FUJII Atsushi ITO Yu WATANABE Yusuke YOSHIDA Takayoshi NAKAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/02/01
Vol. E98-A  No. 2  pp. 597-605
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
target detectionradar networkforward-looking radarmultiple radars
 Summary | Full Text:PDF(2.6MB)

Noise Power Spectral Density Estimation Using the Generalized Gamma Probability Density Function and Minimum Mean Square Error
Xin DANG Takayoshi NAKAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/03/01
Vol. E97-A  No. 3  pp. 820-829
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
noise PSD estimationgeneralized gamma probability density functionminimum mean square errorspeech enhancement
 Summary | Full Text:PDF(4.2MB)

A Numerical Simulation of the Effects of the Actual Lip Geometry on Acoustic Fields by a Three-Dimensional FEM
Chengxiang LU Takayoshi NAKAI Hisayoshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/02/25
Vol. E77-A  No. 2  pp. 422-428
Type of Manuscript:  PAPER
Category: Speech
Keyword: 
lip shapethree dimension FEMfinite element methodHelmholtz equationlip radiation
 Summary | Full Text:PDF(615.4KB)

An Estimation of Pressure and Flow in a Three-Dimensional Dynamic Model of the Larynx with Nonuniform Glottis by FVM
Chengxiang LU Takayoshi NAKAI Hisayoshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/07/25
Vol. E76-A  No. 7  pp. 1252-1262
Type of Manuscript:  PAPER
Category: Modeling and Simulation
Keyword: 
larynx modelfinite volume methodNavier-Stokes equationsvocal fold shapevocal fold vibration
 Summary | Full Text:PDF(791.8KB)