【摘要】 针对高速俯冲SAR多模式实时信号处理系统的特殊性,提出了一种设计与实现方案.对高速俯冲SAR应用背景及工作模式进行介绍,并说明了本系统所使用的SAR成像算法.在此基础上,提出了可包容单通道多子图的扫描SAR处理和三通道单脉冲处理的系统架构设计方法,并对其中的关键技术如原始数据流方式、高效率数据共享方法、快速模式切换方法和低功耗休眠功能进行具体描述.挂飞试验的实时处理结果验证了本系统的正确性和有效性.更多还原

【Abstract】 A scheme for special features of a multi-mode real-time signal processing system of high-speed diving SAR is proposed.First,the application background and various working models are introduced,and the imaging algorithm for concerned system is illustrated.On this basis,an architecture which can execute both single-channel multi-subimage scan SAR processing and three-channel monopulse processing is designed,and the key innovative technologies such as original data stream,efficient data sharing method,fast mode switching means and low-power function are described in detail.Finally,the flight experiment results verify the correctness and effectiveness of the proposed system.更多还原