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A Fine Characteristic Detecting Method of Low SNR Phase Coded Signal

Zhao Guo-qing

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Abstract

A phase coded signal fine characteristic detecting method using the local minimum modular value of the wavelet transform coefficients is presented. The wavelet transform is carried out for the complex morlet wavelet function and the scale which is determined by the measured frequency of the signal from the Fourier transform and the center frequency of the morlet wavelet function is adjusted by the a-prior knowledge.

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What this paper is about

A phase coded signal fine characteristic detecting method using the local minimum modular value of the wavelet transform coefficients is presented. The wavelet transform is carried out for the complex morlet wavelet function and the scale which is determined by the measured frequency of the signal from the Fourier transform and the center frequency of the morlet wavelet function is adjusted by the a-prior knowledge.

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Available abstract

A phase coded signal fine characteristic detecting method using the local minimum modular value of the wavelet transform coefficients is presented. The wavelet transform is carried out for the complex morlet wavelet function and the scale which is determined by the measured frequency of the signal from the Fourier transform and the center frequency of the morlet wavelet function is adjusted by the a-prior knowledge.

Key concepts: Morlet wavelet, Wavelet, Constant Q transform, Wavelet transform, Harmonic wavelet transform, SIGNAL (programming language), Fourier transform, Phase (matter)

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