Presentation 2005-05-20
A System Identification Method Using Reflection Wave
Masaaki TANAKA, Kensaku FUJII, Yutaka HATA,
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Abstract(in English) We often want to estimate of unknown system's structure. In this case, the resonance characteristic is needed. One example of this is generation model of voice. Llinear Prediction (Voice Analysis) and Reverse Filter are these general methods to solve. But, when these methods to solve don't get it because it is done to output signal that refrected down unknown system, this estimation becomes difficult. Then, when input signal is applied to the unknown system, we propose the method of system identification for estimating unknown system's structure by using reflection wave and output signal that refrected down unknown system. According to this proposed method, the estimation of unknown system's structure becomes possible regardless of right or wrong of the acquisition of output signal that refrected down unknown system. Moreover, this proposed method has the feature that the number Adaptive Filter is more little than conventional method and convergence of Adaptive Filter is fast.
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Keyword(in English) reflection wave / system identification
Paper # EA2005-13,SIP2005-18
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Committee EA
Conference Date 2005/5/13(1days)
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Registration To Engineering Acoustics (EA)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A System Identification Method Using Reflection Wave
Sub Title (in English)
Keyword(1) reflection wave
Keyword(2) system identification
1st Author's Name Masaaki TANAKA
1st Author's Affiliation Graduate School of Engineering, University of Hyogo()
2nd Author's Name Kensaku FUJII
2nd Author's Affiliation Graduate School of Engineering, University of Hyogo
3rd Author's Name Yutaka HATA
3rd Author's Affiliation Graduate School of Engineering, University of Hyogo
Date 2005-05-20
Paper # EA2005-13,SIP2005-18
Volume (vol) vol.105
Number (no) 54
Page pp.pp.-
#Pages 6
Date of Issue