ex7

（1）对选定二阶电路图进行仿真，得到仿真的输入、输出数据； （2）建立二阶系统函数，用模拟的方法求解其响应，并用matlab平台求出响应波形； （3）对数据进行拟合； （4）对拟合的结果进行误差分析 ((1) on the selected second order circuit diagram of the simulation to obtain a simulation of the input and output data (2) the establishment of the second order system function, solving the response by the simulation method, and was determined using matlab platform response waveform data (3) be fitted (4) the results of the fitting error analysis)

Fundamentals of Electromagnetics, Exploratory Data Analiysis, Environmental Modelling

这是2003年全国大学生数学建模竞赛A题MATLAB源代码(This is the 2003 National Mathematical Contest in Modeling A title MATLAB source code)

The unified power quality conditioner (UPQC) is a custom power device, which mitigates voltage and current-related PQ issues in the power distribution systems. In this paper, a UPQC topology for applications with non-stiff source is proposed.

说明：  杂波模型，可用于雷达信号处理中，其中模型为瑞利分布(Clutter model can be used for radar signal processing, which for the Rayleigh distribution model)

这里面有一些经度转换为球心坐标的代码，可以看一下(Longitude converted to the center of the sphere coordinate code, you can look at)

APFC电路，利用市电220V,将Boost电路的功率因数提高，仿真了电流电压波形(APFC circuit)

qpsk modulation and demodulation

编程中出现的小程序，四字节char型数组转浮点数(four byte char to float)

用m语言写的最小二乘法的算法，可以直接嵌入系统中计算，简单方便(use m language to write the method of least squares algorithm, can be directly embedded systems calculation is simple and convenient)