对于初学matlab的同学会有帮助，基于chebyshev的水声信号分析，使用大量的有限元法求解偏微分方程，matlab程序运行时导入数据文件作为输入参数，阵列信号处理的高分辨率估计，应用小区域方差对比，程序简单，旋转机械二维全息谱计算，在MATLAB中求图像纹理特征。- Matlab for beginner students will help, Based chebyshev underwater acoustic signal analysis, Using a large number of finite element method to solve partial differential equations, Import data files as input parameters matlab program is running, High-resolution array signal processing estimates, Application of small area variance comparison, simple procedures, Rotating machinery 2-d holographic spectrum calculation, In the MATLAB image texture feature.