Multi-Mode Real-Time Signal Processing System for High-Speed Diving SAR

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.