On Pisarenko and Constrained Yule-Walker Estimators of Tone Frequency
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概要
- 論文の詳細を見る
In this paper, the Pisarenko and the Constrained Yule-Walker (CYW) estimators of a tone frequency are first newly derived from the viewpoint of using directly the autocorrelation coefficients. Then, simulation of these two estimators is carried out in some detail. The simulation results show that compared with the Pisarenko estimator the CYW estimator, which has not been adequately studied, works poorly for low and moderate Signal-to-Noise Ratio (SNR) values. However, in case of high SNR value, it yields very small bias and comparable estimation variance, and thus produces more accurate tone frequency estimates.
- 社団法人電子情報通信学会の論文
- 1994-08-25
著者
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Tadokoro Yoshiaki
Faculty Of Engineering Toyohashi University Of Technology
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Xiao Yegui
Faculty Of Engineering Hiroshima University
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- On Pisarenko and Constrained Yule-Walker Estimators of Tone Frequency