主要包括滤波器的相关知识及仿真软件MATLAB的相关知识。如巴特沃斯（Butterworth）滤波器、切比雪夫（Chebyshev）滤波器、椭圆（Ellips）滤波器、贝塞尔（Bessel）滤波器.模拟低通滤波器系统函数确定模拟高通滤波器系统函数的方法-Mainly includes filter related knowledge and simulation software MATLAB related knowledge. Such as Butterworth (Butterworth

Phased array antenna pattern (Chebyshev weights), Optimization class contains several simple sample programs, In the MATLAB image texture feature.

Calculate the multifractal trend fluctuation analysis, Realize image watermarking, de-noising, plus noise and other functions, Based chebyshev underwater acoustic signal analysis.