产生PAM_TH_UWB，包括PAM_TH_UWB信号的产生和频谱特征-Produce PAM_TH_UWB, including PAM_TH_UWB signal generation and spectral characteristics

该段程序包括跳时超宽带信号的产生及其频谱特性-The section of program, including UWB signal generation and spectrum

超宽带信号中高斯脉冲和冲击脉冲的产生，以及脉冲位置调制（PPM)和脉冲幅度调制(PAM)，形成一个完整的电路来完成整个过程-UWB signal in the Gaussian pulse and impulse generation, and pulse position modulation (PPM) and pulse amplitude modulation (PAM), to form a complete circuit to complete the whole process