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The DPCA-FrFT algorithm is used in this paper to realize the localization and velocity estimations in both ground range direction and azimuth direction when it comes to a two-aperture radar system. The moving point target's echo model of two-aperture SAR system is established. Then, the linear frequency-modulated characteristics of moving target's DPCA signal is elaborated. According to this characteristics,...
Fractional Fourier transform was used in this paper to realize the localization and velocity estimations in both directions, ground range direction and azimuth direction, when it comes to a one-aperture radar system. The theoretical analysis started with the echo signal model of SAR moving point targets and the computer simulation results of motion parameter estimations were given in this paper. The...
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