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Cited by 867

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Estimating the parameters of exponentially damped sinusoids and pole-zero modeling in noise

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Kumaresan, R., Tufts, D.·1982·IEEE Transactions on Acoustics, Speech, and Signal Processing

Abstract

We have presented techniques [1] - [6] based on linear prediction (LP) and singular value decomposition (SVD) for accurate estimation of closely spaced frequencies of sinusoidal signals in noise. In this note we extend these techniques to estimate the parameters of exponentially damped sinusoidal signals in noise. The estimation procedure presented here makes use of "backward prediction" in addition to SVD. First, the method is applied to data consisting of one and two exponentially damped sinusoids. The choice of one and two signal components facilitates the comparison of estimation error in pole damping factors and pole frequencies to the appropriate Cramer-Rao (CR) bounds and to traditional methods of linear prediction. Second, our method is applied to an example due to Steiglitz [8] in which the data consists of noisy values of the impulse response samples (composed of many exponentially damped sinusoids) of a linear system having both poles and zeros. The poles of the system are accurately determined by our method and the zeros are obtained subsequently, using Shanks' method.

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Metadata

Authors
Kumaresan, R., & Tufts, D.
Venue
IEEE Transactions on Acoustics, Speech, and Signal Processing
Published
1982-12
Volume
30
Issue
6
Pages
833-840
ISSN
0096-3518 (ISSN-L)
OpenAlex
W2165887549
Cited by
867
References
1
FWCI
8.15
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Estimating the parameters of exponentially damped sinusoids and pole-zero modeling in noise. https://app.cochat.ai/papers/10.1109/tassp.1982.1163974
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Kumaresan, R., & Tufts, D. (1982). Estimating the parameters of exponentially damped sinusoids and pole-zero modeling in noise. IEEE Transactions on Acoustics, Speech, and Signal Processing. https://doi.org/10.1109/tassp.1982.1163974

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