雷达学报2016，Vol.5Issue(4)：425-433,9.DOI:10.12000/JR16007
基于调频连续波信号的圆弧式合成孔径雷达成像方法
Imaging Algorithm for Arc Synthetic Aperture Radar Using Frequency Modulated Continuous Wave
摘要
Abstract
Arc Synthetic Aperture Radar (Arc-SAR) is a new operation-mode radar that is suitable for wide observation in certain areas. With its high resolution, wide observation area, and short repetition visit period, Arc-SAR is widely used in monitoring deformation measurements, landslides, and natural hazards. Because of the special movement of Arc-SAR, the BackproPagation Algorithm (BPA) is widely used in its image processing. Here, we propose a novel two-dimensional frequency domain algorithm to process an Arc-SAR signal. First, we derive a signal model of Arc-SAR based on that of frequency-modulated continuous-wave radar. Next, because the length of the arm is far shorter than the distance of the antenna to the target, the signal can be processed in a 2D frequency domain. Finally, we analyze the error of the frequency method used. This algorithm has the advantages of high computation speed and accuracy. The simulation and experimental data results confirm the effectiveness and validity of the proposed method.关键词
圆弧式合成孔径雷达/调频连续波/2维频域算法Key words
Arc Synthetic Aperture Radar (Arc-SAR)/Frequency-Modulated Continuous Wave (FMCW)/Two dimensional frequency domain algorithms分类
信息技术与安全科学引用本文复制引用
路满,宋红军,罗运华..基于调频连续波信号的圆弧式合成孔径雷达成像方法[J].雷达学报,2016,5(4):425-433,9.基金项目
国家自然科学基金(61172122)Foundation Item：The National Natural Science Foundation of China (61172122) （61172122）
