Title :
A novel method of SAR simulation based on non-equidistant interpolation algorithm
Author :
Cai, Jingjing ; Zhao, Guoqing ; Zong, Ru
Author_Institution :
Sch. of Electron. Sci. & Eng., Xidian Univ., Xi´´an, China
Abstract :
In this paper, a modified SAR simulation method based on three-dimensional electromagnetic model is presented. SAR´s squint working mode and three-dimensional electromagnetic model will cause facing slope reduction and backing slope increases phenomenon. The effect will lead to SAR image distortion and targets position migration. A non-equidistant interpolation algorithm is proposed in the SAR simulation processing, which is applicable to SAR simulation to eliminate the impact of facing slope reduction and backing slope increases. Simulation results have proved that SAR image processed with this SAR simulation method is more close to real scenes.
Keywords :
image processing; interpolation; radar tracking; synthetic aperture radar; 3D electromagnetic model; SAR image distortion; backing slope; facing slope reduction; modified SAR simulation; nonequidistant interpolation algorithm; squint working mode; targets position migration; Analytical models; Electromagnetic analysis; Electromagnetic modeling; Fourier transforms; Image sampling; Interpolation; Layout; Pixel; Signal generators; Transfer functions; SAR; backing slope increases; facing slope reduction; interpolation; non-equidistant;
Conference_Titel :
Synthetic Aperture Radar, 2009. APSAR 2009. 2nd Asian-Pacific Conference on
Conference_Location :
Xian, Shanxi
Print_ISBN :
978-1-4244-2731-4
Electronic_ISBN :
978-1-4244-2732-1
DOI :
10.1109/APSAR.2009.5374337
