【摘要】 文中针对空空弹载SAR平台运动速度快和大斜视角的特点,在建立弹载SAR空间几何模型的基础上,研究了导弹-目标飞行过程中回波信号的相位近似误差,设计了改进的Chirp Scaling(CS)算法并得到了聚焦的目标图像,理论分析和仿真表明了算法的有效性。更多还原

【Abstract】 Focused on signal characteristics and imaging processing of air-to-air borne missile SAR,the geometric missile-borne SAR model was built and approximate phase error of echo was analyzed according to high flight speed and big squint angle.Analysis and simulation based on the proposed modified chirp scaling algorithm show that the algorithm is valid and focused image can be obtained.更多还原