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无人机载微型SAR系统设计与实现 被引量:15

Design and Realization of UAV High Resolution Miniature SAR
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摘要 针对无人机微型化发展对合成孔径雷达(SAR)系统的微型化需求,该雷达系统设计方案采用调频连续波体制、功能及系统一体化、射频直接调制及数字解调和芯片化设计等技术,降低了系统复杂度,减少了系统的体积、重量和功耗,实现了小体积、轻重量、低功耗的微型SAR系统。分析了调频连续波体制SAR的成像算法及其地面动目标显示(GMTI)处理技术。通过微型SAR系统在小型无人机平台上的飞行试验,试验结果验证了系统的有效性和可行性。 For the application in miniature UAV,the synthetic aperture radar(SAR)system needs mini-aturization.A small size,light weight,low power miniature SAR system is proposed,in which FMCW sys-tem,function and system integration design,RF direct modulation and demodulation,chirp design are em-ployed.The imaging algorithm and GMTI processing of the FMCW SAR are analyzed.The effectiveness and feasibility of the miniature SAR is verified through flight test onboard a small UAV.
出处 《雷达科学与技术》 2014年第1期35-38,共4页 Radar Science and Technology
关键词 微型合成孔径雷达 调频连续波 动目标显示 无人机 miniature SAR linear frequency modulation moving target indication(MTI) unmannedaerial vehicle(UAV)
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参考文献7

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二级参考文献20

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