燕山大学学报2012，Vol.36Issue(5)：433-438,6.DOI:10.3969/j.issn.1007-791X.2012.05.012
基于道路辅助的机载SAR动目标检测和参数估计
Moving target detection and parameter estimation of airborne SAR based on road assistance
摘要
Abstract
Traditional Synthetic Aperture Radar (SAR) moving target detection methods cannot estimate the parameters of non-constant velocity moving targets. To solve the problem, a method of airborne dual-channel SAR moving targets detection is presented based on road assistance and the characteristics of moving target imaging. From the spatial geometry model and echo signal of the dual-channel SAR system, Displaced Phase Center Antenna (DPCA) technique is used firstly to suppress clutter and detect moving targets, then the velocity and location parameters of moving targets are estimated by using road information. Finally, across-track acceleration can be computed based on azimuth defocusing of moving targets. Numerical simulations have demonstrated the effectiveness of the approach proposed.关键词
合成孔径雷达/地面动目标检测/参数估计/道路辅助Key words
synthetic aperture radar/ ground moving target detection/ parameters estimation/ road assistance分类
信息技术与安全科学引用本文复制引用
史洪印..基于道路辅助的机载SAR动目标检测和参数估计[J].燕山大学学报,2012,36(5):433-438,6.基金项目
国家自然科学基金资助项目(61102110) （61102110）
河北省自然科学基金资助项目(F2010001285,F2012203180) （F2010001285,F2012203180）
