...网 关键词：匹配滤波器；线形调频信号；回波信号；脉冲调制 [gap=701]Keywords：matched filter;linear FM signal;echo signal;pulse modulation ...
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... 发动机的额定功率 power rating of electric generator 回波信号 return signal 公路交通信号 road traffic signal ...
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Specifically, the echo for the squint range operation modes was modeled.
针对平飞斜视工作模式,建立了回波信号模型。
参考来源 - 机载双基地SAR同步与成像处理研究Therefore research of Space-borne SAR raw signal simulation technique isimportant for Space-borne SAR system design.
因此，星载SAR原始回波信号模拟技术的研究对于星载SAR系统的研制有重要意义。
参考来源 - 星载SAR原始回波信号并行模拟·2,447,543篇论文数据，部分数据来源于NoteExpress
本方法对目标回波信号采用了相干视频模拟法，在视频上模拟目标回波的多普勒频率。
In the method, the target reflected signal is generated by the way of coherent video simulation and the Doppler frequency of target is simulated on video.
第二种方法是使用一种有序的多波段发生器，这样可以更容易的匹配回波信号，但同时也更易受到干扰。
A second approach is to use a wide range of sequential frequencies; this is easier to match but more prone to interference.
根据三脉冲激光雷达回波信号的特点，对信号进行差分滤波和匹配滤波处理，信噪比提高约1.5倍；
According to laser radar echo characteristic, the difference filter and the match filter were adopted. As a result, the SNR is advanced about 1.5 times.
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