Performance Analysis of Lateral Velocity Estimation Based on Fractional Fourier Transform

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概要

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• The lateral velocity is of importance in cases like target identification and traffic management. Conventional Doppler methods are not capable of measuring lateral velocities since they quantify only the radial component. Based on the spectrogram characteristic of laterally moving targets, an algorithm based on fractional Fourier transform has been studied in the signal processing literature. The algorithm searches the peak position of the transformation, and calculates the lateral velocity from the peak position. The performance analysis of this algorithm is carried out in this paper, which shows that this algorithm approaches Cramer-Rao bound with reasonable computational complexity. Simulations are conducted at last to compare the analytical performance and the experimental result.

著者

• BAI Yechao

  School of Electronic Science and Engineering, Nanjing University

• ZHANG Xinggan

  School of Electronic Science and Engineering, Nanjing University

• TANG Lan

  School of Electronic Science and Engineering, Nanjing University

• WEI Yao

  School of Electronic Science and Engineering, Nanjing University

関連論文

• Performance Analysis of Lateral Velocity Estimation Based on Fractional Fourier Transform
• Performance Analysis of Lateral Velocity Estimation Based on Fractional Fourier Transform

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