说明： 语音信号的采集与处理，数字信号处理课设，计算一维光子晶体的透射特性和反射特性，计算时间和二维直方图。 ( Acquisition and Processing of the speech signal, digital signal processing class-based, Calculated transmission characteristics and reflection characteristics of the one-dimensional photonic crystals, Computing time and two-dimensional histogram.)
