communications related knowledge : shortwave, spread spectrum, mobile

将模拟滤波器转变为数字滤波器。-analog filter into digital filter.

这是97小波及其提升程序的文档，从一个网站上下的，放在word文档中。-This is the 97 wavelet and its upgrade process document, from a web site from top to bottom, on the word document.

OFDM 解调器： 这个源代码是关于 ofdm 解调和这是我第一次的源编码 ofdm-调制器的继续，我想建立一个好的 ofdm 系统不是如此完整，我想尽快完成它为我的论文。 我等待你的笔记和你的建议谢谢你非常

connection to the CY7C68013A-56 ADC AD9203. Software and Firmware-connection to the CY7C68013A-56 ADC AD9203. Software and Firmware

linux usbkiller的驱动电子书集 对开发linux地层程序有很好的指导作用-driver linux usbkiller e-book collection on the development of stratigraphic procedure linux have a good guide

数据链路层ARQ协议的实现软件编程，网给学习网路编程的朋友有帮助-Data link layer ARQ protocol realize software programming, network programming to the learning network to help a friend has

OPNET仿真实例，有助于初学者的快速学习。-OPNET simulations help beginners learn fast.

SMART SIGHT 的开发SDK，好不容易搞到的。内容丰富 对做视频监控有很大的帮助-SMART SIGHT development SDK, finally got the. Rich content of video surveillance has to do a great help

目前的智能机在硬件上多采用双cpu的架构，一个是基带处理器，主要处理数字信号、语音信号的编码解码以及GSM通信协议，另一个是应用处理器，运行操作系统和各种应用程序。基带处理器、射频和其它外围芯片作为一个模块，成为GSM/GPRS modem，提供AT命令接口。网络的应用已经是一个需求的热点，而目前的GSM模块大多都能支持GPRS功能。应用处理器通过AT命令集与带GPRS功能的无线通讯模块通信，为实现网络的应用提供了一个最底层的支持。 -Intelligent machines in the current hardware on many dual-cpu architecture of a baseband processor are mainly deal with digital signals, voice signals, and GSM codecs communication protocol, and the other is the application processor, operating system and applications running procedures. Baseband processor, radio frequency and other peripheral chips, as a module, as a GSM/GPRS modem, provided by AT command interface. Application of network needs is a hot spot, and most of the current GSM module can support GPRS function. Application processor through the AT command set and functionality with GPRS wireless communication module, in order to achieve the application of the network provides a bottom support.

QAM星座图的原理和应用 QAM星座图的原理和应用-QAM constellation diagram of the principle and application of the principle of QAM constellation diagram and applications