【摘 要】
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Doppler Beam Sharpening (DBS) technology is widely used in unmanned airborne scanning radar,because it can acquire images of vast areas for Ground Moving Ta
【机 构】
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InstituteofElectronics,ChineseAcademyofSciences,Beijing100190,China
【出 处】
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全球智能工业创新大会暨全球创新技术成果转移大会(GIIC2018)——2018智能无人系统大会
论文部分内容阅读
Doppler Beam Sharpening (DBS) technology is widely used in unmanned airborne scanning radar,because it can acquire images of vast areas for Ground Moving Target Indicator(GMTI)mode.When radar works in GMTI mode,the primary task is to detect and track moving targets,while DBS images can provide a background to help identify moving targets.Short time FFT(STFT)is a time-frequency method to detect moving targets,which divides data into several sub-apertures and performs constant fault alarm rate(CFAR)detection in each sub-aperture.Traditional DBS method is independent of GMTI,hence data must be copied and processed individually,which consume more memories and computation time.
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