ButterWorth

matlab的.m文件，用来测量阶跃信号仿真时的超调量，调节时间。(matlab .m file is used to measure signal simulation step when the overshoot, settling time.)

matlab 学习实例 1-32是：图形应用篇 33-66是：界面设计篇 67-84是：图形处理篇 85-100是：数值分析篇 (Example 1-32 is learning matlab: graphics articles 33-66 is: interface design articles 67-84 is: is the graphics chapter 85-100: Numerical Analysis Section)

code can used for determining correlation value to analyze rho based on s11, s12, s21, s22.

用于求解多个信号源波达方向的求根MUSIC算法,不需要进行二维谱峰搜索(Root MUSIC algorithm for solving multiple sources DOA and calculation is greatly reduced than the MUSIC algorithm )

说明：  生成复杂网络之BA无尺度网络，有详尽的原理描述和参数说明。(BA generate complex networks of scale-free networks, there is a detailed description of the principles and parameters.)

2fsk的解调C语言实现，该程序实现2fsk的解调(2fsk demodulation C language, the program 2fsk demodulation)

说明：  这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT， 上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模 块，并统括系统性能的仿真验证了系统设计的可靠性。 (This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, the upper and lower frequency, Gaussian channel model, FFT, PAPR suppression, various synchronization, demodulation and decoding of modular and system performance omnibus simulation of the system reliability.)

用matlab编写的,提供一种求解最优哈密尔顿的算法---三边交换调整法.(prepared by using Matlab and provide a solution to the optimal algorithm Hamilton--- trilateral exchange adjustment.)

Current mode signal processing

图像分割的方法有许多种，其中阈值分割的方法很常用，提供一种基于otsu算法的图像分割方法，很实用。(There are many kinds of method of image segmentation, threshold segmentation method is commonly used, provide a method of image segmentation based on otsu algorithm is very practical)