A Novel Parameter Estimation Method for Maneuvering Target Based on DCF‐RFRFT | Zendy

Yang Gang | Zendy; Tian Jing | Zendy; Wu Shuang | Zendy; Cui Wei | Zendy; Wu Siliang | Zendy

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A Novel Parameter Estimation Method for Maneuvering Target Based on DCF‐RFRFT

Author(s) -

Yang Gang,

Tian Jing,

Wu Shuang,

Cui Wei,

Wu Siliang

Publication year - 2017

Publication title -

chinese journal of electronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.267

H-Index - 25

eISSN - 2075-5597

pISSN - 1022-4653

DOI - 10.1049/cje.2017.09.032

Subject(s) - fractional fourier transform , computer science , frequency domain , radar , fourier transform , range (aeronautics) , algorithm , doppler effect , doppler frequency , spectral density estimation , radon transform , dual (grammatical number) , estimation theory , mathematics , telecommunications , artificial intelligence , fourier analysis , physics , computer vision , mathematical analysis , art , materials science , literature , astronomy , composite material

To resolve the range migration and Doppler frequency spread, a new parameter estimation method, namely Dual‐carrier frequency‐Radon fractional Fourier transform (DCF‐RFRFT), is proposed based on the dual‐carrier frequency radar data. In this method, dual‐carrier frequency radar data is constructed in the range frequency domain and a new signal is constructed by multiplying one with the complex conjugate of the other. Radon fractional Fourier transform (RFRFT) is performed to obtain the estimates of velocity and acceleration. This method does not need any prior‐knowledge of targets and can resolve the Doppler ambiguity problem. The simulation results demonstrate the effectiveness of the proposed algorithm.

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