中文说明： 基于chebyshev的水声信号分析，多抽样率信号处理，做视觉测量的上位机代码,最小二乘回归分析算法，一个计算声子晶体结构的一维传递矩阵法,已调制信号计算其普相关密度。
English Description：
Analysis of underwater acoustic signals based on Chebyshev, Multirate signal processing, Visual measurement of computer code, least-squares regression analysis method, a calculation of the transfer matrix method for one-dimensional Photonic crystal structure has been calculated using relative density modulation signal.