vb写的tapi拨号程序

这是一个关于富士智能系统公司测试门禁的源程序代码-this is a about fujica door test!

一个VB写的wincc与excel数据交换问题-write a VB wincc and excel data exchange problems

速率32k24k16k的ADPCM变换

Text of article "draft-josefsson-pppext-eap-tls-eap-10.txt"

该程序驱动MODEM反复拨打某一个电话号码.使用了简单的AT命令,通过COM口与MODEM通讯.-the procedure repeated MODEM Driver Call a telephone number. Use a simple AT commands, through COM ports with modem communication.

SYMPCHUNK sets the number of symbols demodulated at once with a constant carrier frequency and symbol timing offset. This is a fundamental decoder parameter that establishes its carrier and symbol timing tracking bandwidth. Set it too low and the demodulator can"t accurately determine carrier frequency and symbol timing on a noisy signal. Set it too high and the demodulator may not be able to track large symbol rate offsets caused by Doppler shift and/or A/D or spacecraft clock errors. Or it might have trouble tracking high rates of change in the carrier frequency due to Doppler acceleration.The current value of SYMPCHUNK is 4*N1 = 512, where N1 = 128 is the order of the convolutional interleaver. 512 symbols is 512 milliseconds at 1000 symbols/sec, giving a frequency/time determination SNR that is 10*log10(512) = 27 dB greater than the Es/N0, not counti

简单的通信系统，应用到Socket，包括客户端与服务器端

用于绘制高斯噪声。这些程序都用在传输信号时的噪声信道的信噪比计算

这个源代码是关于串口通讯的-the source code is on the serial communications

Simulates the BER for BPSK modulation in Rayleigh channel