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2019 | OriginalPaper | Chapter

Detection and Parameter Estimation of MIMO-LFM Signals by Fractional Autocorrelation Envelope

Authors : Yifei Liu, Mingyue Kongxiang, Zhaoyang Qiu, Bin Tang

Published in: Communications, Signal Processing, and Systems

Publisher: Springer Singapore

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Abstract

This paper proposed an improved method based on fractional Fourier transform (FRFT) for multicarrier LFM signals of MIMO radar (MIMO-LFM) by analyzing its characteristics. First, the intercepted signal model and FRFT are analyzed. Then the signal detection and parameter estimation of MIMO-LFM signals based on FRFT autocorrelation envelope is derived after analyzing the superiority and shortage of conventional FRFT. After that, the detection performance of the proposed method is deduced, and the theoretical results show that this method outperformance the conventional time-frequency method for MIMO-LFM signals processing. Finally, the simulation results demonstrate the validity of the proposed method.

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Metadata
Title
Detection and Parameter Estimation of MIMO-LFM Signals by Fractional Autocorrelation Envelope
Authors
Yifei Liu
Mingyue Kongxiang
Zhaoyang Qiu
Bin Tang
Copyright Year
2019
Publisher
Springer Singapore
DOI
https://doi.org/10.1007/978-981-10-6571-2_28