几个串行通讯例子mscommdemo.rar serialport.zip smstest.rar com_source.rar ComAccess.zip c...

这是本人大三时自己编的通信信号的PCM编码系统程序，文件里有编码，解码程序，可以计算量化误差，计算信噪比等，很实用， 希望分享给大家，对学习通信的孩子们有用

关于串口的编程示例，代码实现对串口的管理功能，可供学习和参考。-on serial programming examples, the source implementation of the serial port management functions, available for study and reference.

中文RFC文件，无需翻译，对学习很有帮助！

a very simple program that prints "Hello World" to the serial port of the 8051. When you can successfully build and run this program, you have used the entire toolset including:- a very simple program that prints "Hello World" to the serial port of the 8051. When you can successfully build and run this program, you have used the entire toolset including:

一个很棒的语音聊天工具，它的压缩算法采用GSM,evrc,qcelp等，支持目前流行的RTP协议传输。-a terrific voice chat tool, its compression algorithm using GSM, evrc, qcelp, popular support for the current RTP transmission.

涉及指示灯驱动管脚,蜂鸣器驱动管脚定义,AD的状态显示,AD的选中信号,延迟子程序-involving light-pin, buzzer-pin definition, the state AD, AD selected signal delay subroutine

Hamilton回路近似算法，本人程序，请大家多提宝贵意见-Hamilton loop approximation algorithm, I program, everyone with more valuable comments

资源描述NRF24L01无线模块的使用手册，包含原理图、51单片机源代码、pcb封装等

A. 产生一个长为1000的二进制随机序列，“0”的概率为0.8，”1”的概率为0.2；B. 对上述数据进行归零AMI编码，脉冲宽度为符号宽度的50%，波形采样率为符号率的8倍，画出前20个符号对应的波形（同时给出前20位信源序列）；C. 改用HDB3码，画出前20个符号对应的波形；D. 改用密勒码，画出前20个符号对应的波形；E. 分别对上述1000个符号的波形进行功率谱估计，画出功率谱；F. 改变信源“0”的概率，观察AMI码的功率谱变化情况；-have a length of 1,000 random binary sequence, "0" with a probability of 0.8, "a" with a probability of 0.2; B. above zero AMI data coding, and pulse width of symbols width of 50%, waveform sampling rate Symbol rate for the eight times that he painted before the 20 symbols corresponding waveforms (also given before 20 Source sequence); C. HDB3 code switch to depict the former 20 symbols corresponding waveform; D. Miller to switch codes to depict the former 20 symbols corresponding waveform; E. respectively above 1,000 symbols for the power spectrum waveform estimated to depict the power spectrum; F. Change source "0" the probability to observe AMI code changes in the power spectrum;

蓝牙的技术应用,里面有目前市场上的蓝牙产品,蓝牙运用技术,蓝牙协议等内容.-Bluetooth technology, which has currently on the market for Bluetooth products, the use of Bluetooth technology, such as Bluetooth protocol.