DE PID

说明：  本文件夹包含的是针对电话交换系统的C51程序源代码，包含了电话串口之间的通信功能，以及控制回铃音的程序源代码(This folder contains the telephone exchange system for the C51 source code, including a telephone communication between the serial port, and control ring back tone of the program source code)

该文件中包含信息熵和图像熵的计算 源程序，均为m文件形式 (The calculation of the image information entropy)

warning output functions.

精通MATLAB7 王正林版配套源码，很值得学习(Proficient in MATLAB7 Zhenglin version supporting source, it is worth learning from)

说明：  采用FDTD计算2维光子晶体的散射和透射的可执行程序小软件，修改输入文件可用于光子晶体的建模和计算，比较好用(FDTD calculation using two-dimensional photonic crystal scattering and transmission of the executable program small piece of software, modify the input file can be used for modeling and calculation of photonic crystals, compare easy to use)

介绍matlab的各种作图命令，及一些相关的典型的作图实例，对初学者有很大的帮助(Introduced a variety of mapping matlab command, and some examples related to the typical plot, a great help for beginners)

说明：  本书对以Matlab为基础，从数字信号处理及图像处理的原理和算法入手，着重阐述用Matlab实现数字信号处理及图像处理的重要算法。(Book, Matlab-based, from digital signal processing and image processing theory and algorithms to start, focusing on the digital signal processing using Matlab and the importance of image processing algorithms.)

基于遗传算法的非线性规划的函数寻优算法。(Function optimization algorithm Nonlinear Programming Based on Genetic Algorithms.)

一种MIMO体制天波雷达多普勒扩展杂波抑制方法(Doppler radar system for MIMO-day extension clutter suppression method)

matlab中数字图像函数，功能介绍，很好(function)