非線性耳蝸力學(xué)模型和偏移技術(shù)解法
NONLINEAR COCHLEAR MECHANICAL MODEL AND ITS BIAS TECHNIQUE
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摘要: 本文建立了二維非線性耳蝸力學(xué)模型,并提出一種有效方法偏移技術(shù)來(lái)求解該模型。模擬結(jié)果表明,該模型較好地表征了一些生理學(xué)實(shí)驗(yàn)資料,如基底膜不同位置有不同的諧振頻率和一些非線性特性,如位置的頻率響應(yīng)與輸入強(qiáng)度有關(guān)的非線性特性。
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關(guān)鍵詞:
- 生理聲學(xué); 耳蝸力學(xué); 非線性; 建模
Abstract: The nonlinear equation modeling the 2-D cochlear mechanics is established,and an effective method-bias technique for computing this equation is presented. The modelshows many effects which correlate closely to physiological counterparts. The quantitative data on the level-dependence of frequency responses are given. -
B. Monderer, Exploring the Space-Time Structure at the Output of a Cochlear Model, Ph. D.[2]disertation, Columbia Univ.,(1988).[3][2][4]W. S Rhode. J. Acoust. Soc. Am., Part 2, 49(1971)2, 1218-1231.[5][3][6]楊俊, 樊昌信, 電子學(xué)報(bào), 20(1992 )1, 29-36.[7]J. B. Allen. M. M. Sondhi, J. Acoust.Soc. Am., 66(1979)1, 123-132. -
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