<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In this paper, a computationally efficient and high precision parameter estimation algorithm with frequency-time combination is proposed to improve the estimation performance for sinusoidal signal in noise, which takes the advantages of frequency- and time-domain algorithms. The noise influence is suppressed through spectrum analysis to get coarse frequency, and the fine frequency is obtained by denoising filtering and using linear prediction property. Then, estimation values of the amplitude and initial phase are obtained. The numerical results indicate that the proposed algorithm makes up for the shortcomings of frequency- and time-domain algorithms and improves the anti-interference performance and parameter estimation accuracy for sinusoidal signal.</p>
</abstract>

In this paper, a computationally efficient and high precision parameter estimation algorithm with frequency-time combination is proposed to improve the estimation performance for sinusoidal signal in noise, which takes the advantages of frequency- and time-domain algorithms. The noise influence is suppressed through spectrum analysis to get coarse frequency, and the fine frequency is obtained by denoising filtering and using linear prediction property. Then, estimation values of the amplitude and initial phase are obtained. The numerical results indicate that the proposed algorithm makes up for the shortcomings of frequency- and time-domain algorithms and improves the anti-interference performance and parameter estimation accuracy for sinusoidal signal.

A Frequency-Time Algorithm of Parameter Estimation for Sinusoidal Signal in Noise

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In this paper, a computationally efficient and high precision parameter estimation algorithm with frequency-time combination is proposed to improve the...

A Frequency-Time Algorithm of Parameter Estimation for Sinusoidal Signal in Noise

Published Online: Mar 30, 2021

Page range: 33 - 38

Received: Aug 08, 2020

Accepted: Feb 28, 2021

DOI: https://doi.org/10.2478/msr-2021-0005

Keywords
Frequency-time combination, parameter estimation, spectrum analysis, de-noising, linear prediction property

© 2021 Peng Chen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A Frequency-Time Algorithm of Parameter Estimation for Sinusoidal Signal in Noise

Published Online: Mar 30, 2021

Page range: 33 - 38

Received: Aug 08, 2020

Accepted: Feb 28, 2021

DOI: https://doi.org/10.2478/msr-2021-0005

KeywordsFrequency-time combination, parameter estimation, spectrum analysis, de-noising, linear prediction property

© 2021 Peng Chen et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Frequency-time combination, parameter estimation, spectrum analysis, de-noising, linear prediction property