SAR ground moving target imaging based on keystone transform without interpolation

被引：0
|
作者：
Zhu, D [1 ]
Zhu, Z [1 ]
Wang, L [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Dept Elect Engn, Nanjing 210016, Peoples R China
来源：
IGARSS 2005: IEEE International Geoscience and Remote Sensing Symposium, Vols 1-8, Proceedings | 2005年
关键词：
SAR; ground moving target imaging; keystone transform; scaling principle;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Ground moving target imaging for synthetic aperture radar necessitates the compensation of the unknown target trajectory. The keystone transform has been employed in the removal of arbitrary linear component of the target motion in the SAR image, in which interpolation is normally required. In this paper, a realization of the keystone transform avoiding interpolation is presented. The kernel of this transform, i.e. the slow time axis rescaling is implemented using only complex multiplications and FFT's based on the scaling principle.
引用
收藏
页码：2946 / 2948
页数：3
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