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TARGET EXTRACTION SYSTEM, TARGET EXTRACTION METHOD, INFORMATION PROCESSING APPARATUS, AND CONTROL METHOD AND CONTROL PROGRAM OF INFORMATION PROCESSING APPARATUS
TARGET EXTRACTION SYSTEM, TARGET EXTRACTION METHOD, INFORMATION PROCESSING APPARATUS, AND CONTROL METHOD AND CONTROL PROGRAM OF INFORMATION PROCESSING APPARATUS
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机译:目标提取系统,目标提取方法,信息处理设备以及信息处理设备的控制方法和控制程序
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摘要
To acquire a beat frequency necessary for target extraction, target speed estimation, and Doppler influence detection by preventing the necessary beat frequency from overlapping unnecessary frequencies in a heterodyne processing result, an apparatus includes a wave receiver that receives a reflected wave of a chirp wave reflected from a target, and outputs a reception wave signal, a dual-sweep signal generator that generates a dual-sweep signal of the chirp wave, having a frequency which does not overlap that of the chirp wave, and a heterodyne processor that generates a beat frequency by multiplying the reception wave signal and the dual-sweep signal as a heterodyne signal.
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