pc到PLC的串口通讯程序源码 有详细的注释

U-BOOT的启动流程及移植,很适合学习U_BOOT的初学者!-U-BOOT start-up flow and transplantation, it is suitable for beginners to learn the U_BOOT!

基于OFDM技术，仿真了整个通信流程。包括卷积码编码，删除打孔方式的选择，BPSK调制，16QAM调制，交织，解交织，解调，viterbi译码等技术详细的仿真源代码。编程风格简洁，可读性好，注释详细，对于初学者来说是相当不错的资料，还可以根据自己的需要对源程序进行修改，直接可用到相关工程中。

windows进程通讯的例子，共有三种模式： 共享内存，管道，SOCKET，可以给未接触过的人作为参考-windows example of the process of communication, there are three models : shared memory, pipes, SOCKET. it has not been exposed to people as a reference

检测任何USB设备插入和拔出消息的VC源代码-Detect any USB device insertion and pull-out of the VC source code message

ov sccb总线编程协议文件，详细描述了ov sccb总线的时序

FFT算法进行ＦＦＴ　、ＩＦＦＴ、功率谱计算，包括Hamming 窗、Hanning 窗、triangle 窗、Blackman 窗、4 term Blackman-Harris 窗几种窗函数的功率谱计算功能。-FFT algorithms FFT, IFFT, power spectrum calculation, including the Hamming window, Hanning window, triangle window, Blackman window, 4 term Blackman-Harris window of several of the power spectrum window function computing power.

fd_set参数：一个用于检查可读性（readfds），一个用于检查可写性（writefds），另一个用于例外数据（exceptfds）。从根本上说， fd_set数据类型代表着一系列特定套接字的集合-fd_set parameters : a check for readability (readfds) one could write a check for (writefds) Another exception for the data (exceptfds). Fundamentally speaking, fd_set data types represent the range of specific set of socket

Linux环境进程间通信,详细阐述Linux环境进程间通信-Linux environment for inter-process communications, the environment in detail the process of communication between Linux

文章介绍了在通信系统中用卷积器实现快速码同步及解调-Introduction article used in the communication system Convolver realize rapid code synchronization and demodulation