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2019 | OriginalPaper | Chapter

Time-Frequency Ridge-Based Parameter Estimation for Sinusoidal Frequency Modulation Signals

Authors : Zhaofa Wang, Yong Wang, Liang Xu

Published in: Communications, Signal Processing, and Systems

Publisher: Springer Singapore

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Abstract

In this paper, the time-frequency (TF) ridge technique is employed to obtain the accurate parameters estimation of the sinusoidal frequency modulation (SFM) signals. By extracting the TF ridge, a high energy-concentrated time-frequency representation (TFR) of the given signal can be obtained. And then a TF ridge-based method for estimating parameters of the SFM signal is proposed. The advantages of this method over the S-method-based method are (1) it can be easily implemented, (2) it costs less computation and storage space, and (3) it has a high precision. Numerical results provided in this paper show the superiority of the novel method.

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Title: Time-Frequency Ridge-Based Parameter Estimation for Sinusoidal Frequency Modulation Signals
Authors: Zhaofa Wang
Yong Wang
Liang Xu
Publisher: Springer Singapore
Book: Communications, Signal Processing, and Systems
Print ISBN: 978-981-10-6570-5

Electronic ISBN: 978-981-10-6571-2

Copyright Year: 2019
DOI: https://doi.org/10.1007/978-981-10-6571-2_165