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对二维图像进行离散傅里叶变换，分别给出了直流分量移动到频谱中心前后的频谱图样。(Two-dimensional images of the discrete Fourier transform, respectively, given the spectrum to move to the DC component of the spectrum before and after the design center.)

注水定理计算信道容量，主要通过注水算法来进行，很有用(waterfilling for channel capacity)

该文件中是布谷鸟搜索算法源程序，主要涉及到莱维飞行公式(cuckoo search algorithems)

Find the theorical capacity of an optical comb sistem

说明：  关于ofdm建模的Matlab程序，可以实现ofdm系统性能仿真(Matlab on ofdm modeling procedures, system performance can be achieved simulation ofdm)

RLS算法，用matlab实现，用最小二乘法来实现均衡，程序正确(RLS algorithm, using matlab to achieve, using the least squares method to achieve a balanced and correct procedures)

三相桥式整流电路，可以直接用，matlab编写(Three-phase bridge rectifier circuit can be directly used, matlab prepared)

用于做统计分析的matlab 程序包,各种基本统计分析的函数都有，很好用。(For matlab to do statistical analysis package, a variety of basic statistical analysis functions are well used.)

本书以MATLAB R2010a为编写基础，系统讲解MATLAB基本环境和操作要旨；分章阐述符号计算、数值计算、计算结果可视化及编程精要；选例展现MATLAB精华工具SIMULINK的功能级和元器件级仿真能力；范例剖析MATLAB版面编辑器的用法和图形用户界面的制作要领；简扼勾画MATLAB和WORD集成一体的Notebook环境(This book introduce MATLAB R2010a to explain the basic MATLAB environment and operating system sub-chapter on symbolic computation, numerical calculation results visualization and programming essentials and selecte cases to show the essence of tool SIMULINK of MATLAB functional level and component-level simulation capacity)

说明：  这是对应matlab教程，所对应的matlab的源代码，详细介绍了matlab的大部分功能(This is the corresponding matlab tutorials matlab corresponding source code, detailed information on most of the functions matlab)