开源邮件服务器postfix的使用说明，与sendmail相比，安全，稳定，易于配置...

三类传真机是采用数字处理技术的通讯设备，介绍了三类传真机的硬件原理与应用。-Three types of fax machines is the use of digital processing technology, communications equipment, fax machines, introduced three types of hardware and application of the principle.

bsp开发指南，非常不错！-BSP development guidelines, very good!

《TCP/IP详解，卷1：协议》是一本完整而详细的TCP/IP协议指南。描述了属于每一层的各个协议以及它们如何在不同操作系统中运行。-《TCP/IP Detailed, Volume 1: The agreement》is a complete and detailed TCP/IP protocol guidelines. Describe each level belonging to the various agreements and how they run on different operating systems.

C++开发实践资料，对于开始程序相当有用。-C development practice, and how to start procedures very useful.

wn322g无线网卡移植技术文档, 322gdri.tar是修改和编译好的322g无线网卡的驱动，在linux下可以加修改（编译器的和内核目录的位置）就能使用，也可以直接使用zd1211b.ko 编译好的驱动 root文件夹放了一些系统文件，大家可和文档是配套的，可供参考。-wn322g wless

使用VC++做串口通讯功能，很不错的一本书籍-Use VC++ To do serial communication function, it is a good book

C语言电子教程资料书-C language information on the Electronic Directory

ADOAPP.zip

数字图像矩阵数据的显示及其傅立叶变换 二维离散余弦变换的图像压缩 采用灰度变换的方法增强图像的对比度 直方图均匀化 模拟图像受高斯白噪声和椒盐噪声的影响 采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 图像的自适应魏纳滤波 运用5种不同的梯度增强法进行图像锐化 图像的高通滤波和掩模处理 用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理 利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理 -digital image data matrix display and its Fourier transform two-dimensional discrete cosine transform image compression using gray change The method for enhancing the contrast of the image histogram equalization simulated images by white Gaussian noise and Impulse noise impact 2D Median filter function medfilt2 right by the Salt and Pepper noise interference with the image filtering MATLAB functions fi lter2 right by the noise of image filtering images using adaptive filtering Weiner five different gradient growth Intensity image sharpening images and high-pass filter mask Processing Butterworth (Butterworth) lowpass Filter by the noise of the image smoothing use Butterworth

OMNeT++进行WSNs仿真,介绍在Windows平台下OMNeT的安装以及进行WSNs仿真的方法。-OMNeT++ for WSNs simulation, introduced in the Windows platform as well as the installation of OMNeT simulation WSNs.