ch4

应用matlab程序，实现14个节点网络的潮流计算程序。(Application matlab program to achieve flow calculation program 14 nodes in the network.)

通信原理上机实验-基于Matlab的模拟幅度调制系统-SSB调制解调系统程序代码(On communication theory machine experiment- Matlab-based simulation system-SSB modulation amplitude modulation and demodulation system code)

采样定理的验证，即采样信号的频率大于等于原信号频率的两倍时才能准确的恢复原信号(Verification sampling theorem, the sampling frequency of the signal frequency is greater than or equal to twice the original signal in order to accurately restore the original signal)

一个水箱的控制系统，实现了液位和温度控制，温度采用预测控制。(A water tank in the control system, realized the liquid level and temperature control, temperature using predictive control.)

基于宽带信号的DOA估计，采用经典的ISM算法，采用传统MUSIC算法，最后通过谱峰搜素算法得到估计的来波角(Based on broadband DOA estimation, using the classical ISM algorithm, after the traditional MUSIC algorithm, and finally through hormone peak search algorithm to estimate the wave angle)

用于实现加了噪声的灰度图像阈值分割的一维最大熵方法，matlab源程序(Used to realize the addition of noise gray image threshold segmentation of the one-dimensional maximum entropy method, matlab source)

数字PID的matlab仿真程序，针对刘金琨的先进PID控制的matlab仿真，里面的部分程序进行了修改 第四章(Digital PID of matlab simulation program for Liu Jinkun matlab advanced PID control simulation, which part of the program were modified Chapter)

Code to work with audio signals contaminate with white noise

基-2的1024点FFT算法，并与理论FFT结果比较，改程序是正确的.(1024-point radix-2 FFT algorithm, and compared with the theoretical results of the FFT, to change the program is correct.)

直接转矩控制 同步电机的 传统控制pmsm 很好的仿真(Synchronous Motor Direct Torque Control the traditional control pmsm good simulation)