Keyword : acoustic environment


A State Estimation Method in Acoustic Environment Based on Fuzzy Observation Contaminated by Background Noise Utilization of Inverse Probability and Digital Filter
Akira IKUTA Mitsuo OHTA Noboru NAKASAKO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/05/25
Vol. E80-A  No. 5 ; pp. 825-832
Type of Manuscript:  Special Section PAPER (Special Section on Acoustical Inverse Problems)
Category: 
Keyword: 
state estimationfuzzy observationinverse probabilityacoustic environment
 Summary | Full Text:PDF

Some New Type Regression Analysis Methods for Acoustic Environmental System Based on the Introduction of Multiplicative Noise
Mitsuo OHTA Akira IKUTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/01/25
Vol. E78-A  No. 1 ; pp. 123-126
Type of Manuscript:  LETTER
Category: Acoustics
Keyword: 
regression analysismultiplicative noiseprediction of response probabilityacoustic environment
 Summary | Full Text:PDF

Establishment of Nonlinear ARMA Model for Non-Gaussian Stochastic Process and Its Application to Time Series Data of Road Traffic Noise
Akira IKUTA Mitsuo OHTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/08/25
Vol. E77-A  No. 8 ; pp. 1345-1352
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
nonlinear ARMA modelnon-Gaussian processtime series modelacoustic environment
 Summary | Full Text:PDF

An Estimation Method of Probability Distribution for a Specific Stochastic Signal Contaminated by an Additional Noise Based on the Arbitrarily Quantized Level Observation
Mitsuo OHTA Akira IKUTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/09/25
Vol. E75-A  No. 9 ; pp. 1046-1051
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
estimation of probability functionquantized level observationstochastic signal processingnoise removalacoustic environment
 Summary | Full Text:PDF