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A Method of High Speed Moving Target Detection in Reverberation

Jinbo Liu

Open publisher page 1 citations

Abstract

Based on the fact that linear frequency-modulated(LFM) signal has a good focusing property in fractional Fourier transform(FRFT) domain,a moving target detection method in the presence of reverberation is presented using FRFT combined with fourth-order mixed cumulant slice(FRFT-FOMCS).Some details for designing the FOMCS based on FRFT are discussed.The present FRFT-FOMCS algorithm is more suitable for detecting LFM signals than the FRFT algorithm.Simulation results show that the FRFT-FOMCS algorithm can effectively detect and identify high speed moving target echo in reverberation.

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What this paper is about

Based on the fact that linear frequency-modulated(LFM) signal has a good focusing property in fractional Fourier transform(FRFT) domain,a moving target detection method in the presence of reverberation is presented using FRFT combined with fourth-order mixed cumulant slice(FRFT-FOMCS).Some details for designing the FOMCS based on FRFT are discussed.The present FRFT-FOMCS algorithm is more suitable for detecting LFM signals than the FRFT algorithm.Simulation results show that the FRFT-FOMCS algorithm can effectively detect and identify high speed moving target echo in reverberation.

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Available abstract

Based on the fact that linear frequency-modulated(LFM) signal has a good focusing property in fractional Fourier transform(FRFT) domain,a moving target detection method in the presence of reverberation is presented using FRFT combined with fourth-order mixed cumulant slice(FRFT-FOMCS).Some details for designing the FOMCS based on FRFT are discussed.The present FRFT-FOMCS algorithm is more suitable for detecting LFM signals than the FRFT algorithm.Simulation results show that the FRFT-FOMCS algorithm can effectively detect and identify high speed moving target echo in reverberation.

Key concepts: Fractional Fourier transform, Reverberation, Computer science, Algorithm, SIGNAL (programming language), Domain (mathematical analysis), Fourier transform, Time domain

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