超高分辨率机载SAR成像算法及其GPU实现

雷达成像分辨率的不断提高，给SAR高精度实时成像处理带来了新的挑战。采用高效精确的成像算法以及对算法进行硬件加速是解决该问题的有效途径。本文提出了一种适用于超高分辨率机载SAR成像的精确高效成像处理方案，并利用并行化硬件平台GPU对该成像方案进行了硬件加速。实测数据处理结果充分验证了该处理方案的聚焦精度和处理效率。

Imaging Algorithm and Its Implementation on GPU for Ultra-High Resolution Airborne SAR

The improvement of synthetic aperture radar (SAR) imaging resolution brings new challenges to SAR high-precise and real-time imaging processing. Selecting efficient imaging algorithm and utilizing hardware platform for algorithm acceleration are two effective methods to solve the problem. A new efficient and precise imaging algorithm is proposed for the ultra-high resolution airborne SAR. Parallel hardware platform GPU is utilized to accelerate the algorithm. The processing results of the SAR measured data fully verify the accuracy and efficiency of the new imaging algorithm.