基于关键处理过程的机载三通道SAR-GMTI算法验证

Validation of airborne three-channel synthetic aperture radar-ground moving target identification algorithms based on critical processing procedures

为解决现有方法无法充分验证合成孔径雷达-地面动目标检测(SAR-GMTI)算法的问题,提高信号处理软件测试的有效性,提出基于关键处理过程的SAR-GMTI算法验证方法。介绍机载三通道SAR-GMTI回波信号模型及算法处理流程,分析算法验证应注意的问题;在此基础上,通过点目标仿真,验证算法在输入可控条件下的性能;利用实测数据从真实场景这一维度对算法进行验证,有效补充点目标仿真的不足。通过仿真实验和实测数据实验,验证了所提方法的正确性与有效性。

To solve the problem that existing methods can only perform a degree of validation for synthetic aperture radar-ground moving target identification(SAR-GMTI)algorithms,a validation method based on critical processing procedures was presented for improving the effectiveness of the signal processing software testing.The echo data model of airborne three-channel SARGMTI and its processing procedures were described.The questions that should be paid attention to were analyzed,based on which the performances of the SAR-GMTI algorithms were verified under controllable-input circumstance via point target simulation.Real data processing was utilized to supplement the deficiencies of point target simulation from a real scenario perspective,implementing a comprehensive verification for SAR-GMTI algorithms.Several simulation and real data processing results were presented to demonstrate the validity and effectiveness of the proposed approach.