On Estimation of Noise Variance in the Presence of a Narrow-Band Signal

Eugeny I. Plotkin; Dov Wulich

doi:10.1109/TIM.1981.6312443

On Estimation of Noise Variance in the Presence of a Narrow-Band Signal

Eugeny I. Plotkin
, Dov Wulich

Department of Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The procedure for noise variance estimation in the presence of a narrow-band signal with a priori unknown parameters is discussed. The fast suppression of a narrow-band signal prior to measurement of a noise variance is accomplished with a low-order Adaptive Notch Filter (ANF) based on a linear prediction. It is shown that a good estimation of noise variance can be obtained over the time-limited interval in spite of the presence of a strong narrow-band signal. Computer simulation results which demonstrate the proposed algorithm performance are included.

Original language	English
Pages (from-to)	74-76
Number of pages	3
Journal	IEEE Transactions on Instrumentation and Measurement
Volume	IM-30
Issue number	1
DOIs	https://doi.org/10.1109/TIM.1981.6312443
State	Published - 1 Jan 1981

ASJC Scopus subject areas

Instrumentation
Electrical and Electronic Engineering

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10.1109/TIM.1981.6312443

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abstract = "The procedure for noise variance estimation in the presence of a narrow-band signal with a priori unknown parameters is discussed. The fast suppression of a narrow-band signal prior to measurement of a noise variance is accomplished with a low-order Adaptive Notch Filter (ANF) based on a linear prediction. It is shown that a good estimation of noise variance can be obtained over the time-limited interval in spite of the presence of a strong narrow-band signal. Computer simulation results which demonstrate the proposed algorithm performance are included.",

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N2 - The procedure for noise variance estimation in the presence of a narrow-band signal with a priori unknown parameters is discussed. The fast suppression of a narrow-band signal prior to measurement of a noise variance is accomplished with a low-order Adaptive Notch Filter (ANF) based on a linear prediction. It is shown that a good estimation of noise variance can be obtained over the time-limited interval in spite of the presence of a strong narrow-band signal. Computer simulation results which demonstrate the proposed algorithm performance are included.

AB - The procedure for noise variance estimation in the presence of a narrow-band signal with a priori unknown parameters is discussed. The fast suppression of a narrow-band signal prior to measurement of a noise variance is accomplished with a low-order Adaptive Notch Filter (ANF) based on a linear prediction. It is shown that a good estimation of noise variance can be obtained over the time-limited interval in spite of the presence of a strong narrow-band signal. Computer simulation results which demonstrate the proposed algorithm performance are included.

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On Estimation of Noise Variance in the Presence of a Narrow-Band Signal

Abstract

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