UWB超宽带信号的S-V模型生成，采用了802.15.3a的超宽带信道模型，生成不同信道（LOS，NLOS）下的S-V
ultra wideband signal（UWB）generation S-V model, using the 802.15.3a ultra wideband channel model under different channels (LOS, NLOS) to generate S-V
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