2012•Journal of Xinyang Normal UniversityRequires access

Application of Fractional Fourier Transform in Chirp Modulation Signal

Jiming Lin

Abstract

An algorithm which can directly disperse a continuous FRFT was analyzed by the use of the discrete FRFT algorithm definition and the principle of the dimension normalization.Meanwhile,the shortcomings of the processing chirp signal were improved by using this algorithm,and the algorithm calculation was simplified.The demodulation of chirp signal was studied based on FRFT,and the optimal fractional fourier order of chirp signal energy concentration were also determined.

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Available abstract

Key concepts: Chirp, Fractional Fourier transform, Demodulation, Fourier transform, Algorithm, SIGNAL (programming language), Normalization (sociology), Energy (signal processing)