详细介绍了Modem和PC机之间的通讯原理、方法，以及编程实例

诺亚短信控件 ~~~~~~~~~~~~ 本控件支持大部分的手机和GSM工业模块,通过计算机串口或USB转串口可以 实现手机或GSM工业模块短信收发，电话簿管理，拨打电话等工作. 一、主要特点: ========== 1.数据收发可靠，经过大量短信收发的检验 2.可以同时处理短信发送，和短信接收工作 3.多个操作可以同时进行，不会产生数据遗失 4.允许读取所有电话簿,读取所有短信，读取短信数量和容量 5.允许获取模块信息,可以读取模块厂商,设备ID,IMEI,IMSI及所属网络 6.允许用户设定短信自动接收 7.允许用户设定读取短信后是否删除 8.短信发送状态指示 9.BenQ M22模块及其AT指令兼容模块适用 10.数据捕获功能，方便调试模块及AT命令 11.每小时的平均发送速度约600条左右 -Noah SMS Control ~~~ ~~~ support of the majority of the controls and GSM mobile phone industry Die Block, through the computer serial port or USB serial transfer can be achieved or GSM mobile phone text messages industrial transceiver module, Directory management and dialed phones. a main features : ========== 1. reliable data transceiver, After a large number of text messages sent or received by two tests. can also handle text messages sent, and SMS 3. more operation can be done concurrently and Data have not lost four. Allow access to all telephone di

很不错的xml解析工具，有助你理解xml的用法-Very nice xml parsing tool, will help you understand the usage of xml

Modem 通信的完整例子-Modem Communication s whole example!

支持X/Y/Z Modem协议的传输文件的通讯程序 -Commnication libraray supports XMODEM,YMODEM,FAX protocol

Author: wei liu Summary: simulation of binary and non-binary bch decoder MATLAB Release: R14SP1 Required Products: Communications Toolbox Description: simulation of binary bch decoding algorithm for bch(n, k) with t bits error correction capability.

使用vb制作的电话拨号程序，信号清晰稳定，测试的时候需要语音猫-Uses the vb develop the telephone dials the number procedure clearly, the signal is stable, test time needs the pronunciation cat

qam的调制程序，可以参考查看，对学习有帮助-qam modulation process can refer to the view, be helpful in learning

Make and answer phone calls Detect tone and pulse digit from the phone line Capture Caller ID Support blind transfer, single-step transfer/conference, consultation transfer/conference, hold, unhold. Control of the local phone handset, microphone and speaker of the modem Send and receive faxes Play and record on the phone line or sound card Play music in background mode Silence detection VU Meter Wave sound editor that allows your end-users to edit their own sound files. Voice recognition and voice synthesis. Full control over the serial port device ZModem file transfer utility File compression and encryption utility

delphi实现modem两地文件传输。-two to realize modem file transfer.