脉搏波的多处采集点的波形，可用来进行对比，或是进行血管建模，很适合初学者-The various collection points of pulse wave waveform, can be used to compare, or modeling of blood vessels, it is suitable for beginners

模拟高斯脉冲的发射和大气衰减，并给出了相干探测时波形的时频图像，适合新手。-This scr ipt simulates the emission of Gauss beam and the atmospheric attenuation. Besides,the wave shapes in time domain and frequency domain are shown,which is suitable for beginners.