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Du Dongping, Tang Bin. An Approach for Estimating Parameters of LFM Signal Based on Fractional Fourier Transform and Subspace Orthogonality[J]. Journal of University of Electronic Science and Technology of China, 2004, 33(3): 247-249.
Citation: Du Dongping, Tang Bin. An Approach for Estimating Parameters of LFM Signal Based on Fractional Fourier Transform and Subspace Orthogonality[J]. Journal of University of Electronic Science and Technology of China, 2004, 33(3): 247-249.
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An Approach for Estimating Parameters of LFM Signal Based on Fractional Fourier Transform and Subspace Orthogonality

  • 1.

    School of Electronic Engineering,UEST of China Chengdu 610054

  • Received Date: 2004-03-30
  • Publish Date: 2004-06-15
  • Based on the fraction Fouier transform and subspace orthogonality,an approach,which detects and estimates the parameters of the low SNR LFM signal,is proposed in this paper.The LFM signal is first transformed into a complex sinusoidal signal in term of the fraction Fourier transform,and then using the orthogonality between the subspace of noise and the subspace of the transformed signal,the detection and parameters estimation of LFM signal is achieved by finding the minimum/maximum. Computer simulation confirms its availability.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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An Approach for Estimating Parameters of LFM Signal Based on Fractional Fourier Transform and Subspace Orthogonality

  • 1. School of Electronic Engineering,UEST of China Chengdu 610054
  • Received Date: 2004-03-30
  • Publish Date: 2004-06-15

Abstract: Based on the fraction Fouier transform and subspace orthogonality,an approach,which detects and estimates the parameters of the low SNR LFM signal,is proposed in this paper.The LFM signal is first transformed into a complex sinusoidal signal in term of the fraction Fourier transform,and then using the orthogonality between the subspace of noise and the subspace of the transformed signal,the detection and parameters estimation of LFM signal is achieved by finding the minimum/maximum. Computer simulation confirms its availability.

Du Dongping, Tang Bin. An Approach for Estimating Parameters of LFM Signal Based on Fractional Fourier Transform and Subspace Orthogonality[J]. Journal of University of Electronic Science and Technology of China, 2004, 33(3): 247-249.
Citation: Du Dongping, Tang Bin. An Approach for Estimating Parameters of LFM Signal Based on Fractional Fourier Transform and Subspace Orthogonality[J]. Journal of University of Electronic Science and Technology of China, 2004, 33(3): 247-249.
shu

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