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Missile-borne sar imaging and error analysis of positioning |
Yan Ying; Zhou Yinqing; Li Churisheng; Xu Lixiang |
Dept. of Electron. Eng., Beijing Univ. of Aeronautics & Astronautics Beijing 100083 China |
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Abstract In this paper, based on the geometrical relationships in missile-borne Synthetic Aperture Radar(SAR), the model of radar signal and the method of imaging are discussed. In the imaging process, the effects of errors in measuring the maximum and minimum azimuth angles, and the missile’s velocities in three directions on positioning of missile-borne imaging arc analyzed in detail. The corresponding expressions are deduced, simulations in the state of high undershooting and nonlinear movement and experimental results in matching guidance are presented.
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Received: 18 May 2001
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