内附

一个很好的蓝牙耳机生产测试工具,有了他,你可自己动手做好一个蓝牙耳机.-a good Bluetooth headset production testing tools, with him, you can do yourself a Bluetooth headset.

c语言编写的采用的是stc89c52单片机，用ds18b20采集实时环境温度，并将温度数据实时显示在数码管上，精确到小数点后两位，经本人测试，此程序能够正常工作，代码中有详细的注释，一定能看懂。

这是我用过的非常好的A/D转换器，希望大家下来看看，在你的产品中使用高性能的芯片-This is what I used very good A/D converters, hope to see you down. you use the products of high-performance chip

有关QPSK调制解调的仿真程序，包括基带输入波形及其功率谱、QPSK调制信号及其功率谱、AWGN信道输出及其功率谱、通过瑞利信道之前和之后的信号星座图 6)在高斯白噪声和瑞利衰落信道条件下的误码性能以及高斯白噪声的理论曲线，所有误码性能曲线在同一坐标比例下绘制-Relevant QPSK modulation and demodulation of the simulation program, including the baseband input waveform and its power spectrum, QPSK modulation signal and its power spectrum, AWGN channel output and its power spectrum, through the Rayleigh channel before and after the signal constellation of Figure 6) in high- Adams white noise and Rayleigh fading channel under the conditions of BER, as well as the theory of Gaussian white noise curve, all the BER performance curve in the same proportion of coordinates under the map

本讲义详细介绍了ＳＮＭＰ协议的内容，给出了一些报文的具体格式，是不错的学习资料-the overhead of SNMP detail the contents of the agreement, gives some of the specific message format, was a good learning materials

一个高手用C++写的误码率检测源代码,想学习这方面知识的同学不妨下下来参考一下。

GSM 手机开发库，可用于开发短信、电话等相关功能-GSM handset development library can be used to develop SMS, telephone and other related functions

这是有关通信中的抽样定理的一些证明,希望能对大家有所启发.-this is the communication of the sampling theorem proof, we hope to inspire.

RTL8139 可能是目前最受欢迎的网卡，它的价格便宜，功能上也还能接受。本文介绍了Windows环境下RTL8139网卡的驱动编程技术，其中主要对网卡驱动中最重要的收发包过程进行了深入分析。-RTL8139 is currently the most popular card, it"s cheap, functional but still acceptable. This paper introduces the Windows environment RTL8139 Ethernet technology driven programming, which mainly driven right card the most important packet transceiver process of in-depth analysis.

网格编码调制的源程序,信号在高斯信道下实现-Trellis coded modulation source, the Gaussian signal channel under