瑞利衰落信道仿真在不同频率和采样频率下的仿真程序，适合开发移动通信系统的仿真-Rayleigh fading channel simulation at different frequency and sampling frequency simulation program, suitable for the development of the mobile communication system simulation

qam的解调程序，可以参考，对学习有帮助-qam demodulation process, you can reference on learning to help

实现GPRS MODEM接发短信功能，同时可以进行GPRS数据传输，-GPRS MODEM realize message sending and receiving functions, at the same time can be GPRS data transmission,

短信PUD开发文档,通过AT指令发送手机短信,中文通过PUD编码.-Message PUD development documents, through the AT command to send the phone message, the Chinese through the PUD code.

MSP430电能测量程序,用的是电力线载波通讯.即PLC-MSP430 energy measurement procedures, using a power line carrier communications. That is, PLC

iWebSMS2000是一个基于Web的短信平台 =============================================================================== 目前政府、企业信息化，对消息的获取提出了更加严格的要求，需要随时随地、不受 空间、时间、地点的限制；要求主动获取消息，要求能在节省成本，同时保证信息安全， 在这种情况下，本公司自行研制开发了基于Web方式的iWebSMS2000短信消息平台管理方案。 这个方案是采用金格无线Modem作为短信收发设备，并在此基础上开发了金格短信服务器软 件和Web应用组件，支持JavaBean或COM调用方式，提供高可靠的扩展性，方便了政府、企 业和软件开发商应用集成。-iWebSMS2000 is a Web-based messaging platform =========== ======================================== =========================== government, corporate information, Access to information made more stringent requirements, the need anywhere from space, time and location constraints; Active demand access to information requests in cost savings, while ensuring the security of information, in this case, The company developed its own Web-based information to the SMS platform iWebSMS2000 management programs. The program is the use of lattice as a wireless modem SMS transceiver equipment, and on this basis the development of the lattice messaging server

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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

设定固定的电话号码 ，自动拨打电话，接通你拨的电话号码-Set a fixed telephone number, auto-dial phone, dial the phone number connected to your

一个拨号程序，用delphi开发