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DBS imaging and GMTI in a wideband airborne mechanic scanning radar

LI Yan-ping,XING Meng-dao,BAO Zheng(Key Lab.of Radar Signal Processing,Xidian Univ.,Xi′an 710071, China)  
The principle for choosing the coherent processing number under mechanic scanning mode and a refined DBS imaging method incorporating the range migration correction are presented,which can effectively improve the resolution of a DBS image.Based on the characteristic that the echo of the moving target is modulated by the antenna pattern,a novel method combining the sub-aperture detecting with the sliding window detection is also proposed,thus proper location can be achieved.The processing results of real radar data prove its validity.
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