zigbee组网程序

加性高斯白噪声 AWGN(Additive White Gaussian Noise) 是最基本的噪声与干扰模型。加性噪声：叠加在信号上的一种噪声，通常记为n(t)，而且无论有无信号，噪声n(t)都是始终存在的。因此通常称它为加性噪声或者加性干扰。

SIP消息之逐项讲解 SIP消息之逐项讲解-SIP news itemized on the SIP news itemized on the SIP news itemized on

1、php程序，无数据库； 2、输入手机号码的前7位或11位可查询归属地； 3、调用手机在线官方数据，无需维护； 4、DIV+CSS模板方便修改； -1, php programs, no database 2, enter the phone number of the first 7-bit or 11 can be found ownership of land 3, call phone line to official data, no maintenance 4, DIV+ CSS template to facilitate change

PROFIBUS GSD 4.1版；

基于S3C2410A矩阵键盘扫描程序，GPIO及EINT-Based on S3C2410A matrix keyboard scanner, GPIO and EINT

低通切比雪夫I型数字滤波器阶数为7阶 在2000Hz通带表现截止在2500Hz阻带边界在过渡带和阻带之间是单调下降波形. -Low-pass Chebyshev Type I digital filter order is 7  in the 2000Hz band pass-band cut-off at 2500Hz stopband performance in the transition zone and the boundary between the monotonic decline in stopband wave.

winzip的源程序-winzip source

采用VB进行可视化通信编程的一个应用实例-using VB Visual Communication Programming Application of a

这是在windows上使用modem通信的例子程序，有很高的实用价值，同时也可以学习到tapi的编程方法-This is the windows on the use of the example of modem communications procedures with a high degree of practical value, they can also learn the programming methods TAPI

VFP Microsoft Comm 控件来解决串行口读数据这一关键问题-VFP Microsoft Comm control to solve the serial data reading the key issue