fdtd_2d

计算八木天线的电流分布，方向图，输入阻抗(Calculated Yagi antenna current distribution, direction map, the input impedance)

说明：  这是基于生物学中实际神经元动作电位产生机制而建立的神经元发火模型。(This is based on the actual biological neurons mechanism of action potentials and the establishment of neurons ignition model.)

基于紧格式线性化方法与偏格式线性化方法，可将非线性系统线性化，后用PID控制，设计控制器(Based on tight format linearization method and partial format linearization method, nonlinear system can be linear, with PID control, to design the controller )

4万亿投资的数模论文与实现的源代码，自己在学习数模课程的作业(4 trillion investment in digital to analog Papers and the source code, in the course of the digital-analog operations)

在matlab中实现从rgb到hsi色彩模式的转换(In matlab to achieve from the rgb color model to HSI conversion)

在程序设计和调试过程中①只要在程序中增加类似m或n的循环语句，便可用神经网对三维或三维以上的非线形函数训练，也可以用在复杂系统二个以上独立变量、任意维非线性动态参数的辨识(In program design and debugging process ① similar increase in the program as long as m or n of the loop, you can use the neural network over a three-dimensional or three-dimensional non-linear function of training, can also be used in a complex system, two or more independent variables, any dimension Parameter identification of nonlinear dynamic)

16apsk信噪比与误码率曲线的仿真及星座图(16apsk signal to noise ratio and bit error rate curve simulation)

back prooagation neural networks

数据集近似熵值的计算，matlab程序代码，简单方便(Data set approximate entropy calculation matlab program code, simple and convenient)

给定一个控制系统，利用单纯形法整定PID参数,matlab程序(setting PID parameters with simplex method )