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这是数字图像处理的一个程序，是将图像均衡化的matlab编程，希望有人喜欢。(This is a digital image processing of a program that is the image equalization matlab programming, want someone to love.)

基于matlab的直接序列扩频通信系统的设计与仿真，在Matlab2012b上(Design and simulation matlab direct sequence spread spectrum communication system, on the Matlab2012b)

说明：  各种滤波器包括高斯、维纳、laplace、中值滤波器(Various filters, including Gaussian, Wiener, laplace, median filter)

实现了上跨零点法的matlab表达，可以用于实际数据处理，源码为函数形式。(the functiong of CrossZeroUp.m)

说明：  本论文介绍了几种用于高动态和弱信号环境下的GPS接收机捕获算法，并对其性能进行了分析(This dissertation develops Global Positioning System receiver algorithms for high dynamic and weak signal .)

用于验证导航算法精度的航迹发生器，使用Simlink制作。(Navigation algorithm used to verify the accuracy of the trajectory generator)

多方向灰度变换源代码（本子程序为单方向，多方向修改一下即可）(Multi-directional gray transform source code (book program for single-direction, multi-directional modify click))

PSO particle sowarm optimisatin

16阶带通滤波器在matlab环境下仿真程序(16-order bandpass filter in matlab simulation environment)

Computational Building Physics and Systems 4