An Improved FS Algorithm for Range Anti-aliasing of FMCW SAR | Zendy

峰会 张 | Zendy; 岩飞 王 | Zendy

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An Improved FS Algorithm for Range Anti-aliasing of FMCW SAR

Author(s) -

峰会张,

岩飞王

Publication year - 2012

Publication title -

journal of radars

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.301

H-Index - 13

ISSN - 2095-283X

DOI - 10.3724/sp.j.1300.2012.10066

Subject(s) - aliasing , algorithm , computer science , range (aeronautics) , telecommunications , materials science , undersampling , composite material

Conventional Frequency Scaling (FS) algorithm is applied to process Frequency Modulated Continuous Wave (FMCW) SAR, which will lead a heavy range frequency aliasing. Through analyzing basic principle of the FS algorithm and combining the scaling propertation of the Fourier transform, with the presence of a constant factor, this paper proposed a improved frequency scaling algorithm for range anti-aliasing. The proposed algorithm holds performance of the conventation one and just removes the aliasing. The successfully imaging a point target shows the validity of the proposed method

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