some C++ builder documents collected by myself, which are mainly on serial port

Nokia手机应用软件,同时适用pop port DKU-5 -Nokia mobile applications, apply pop port DKU-5

vc编写的socket编程，实现发送和接信息的程序，

We investigate the case of independent Rayleigh faded paths between antenna elements and find that with high probability extraordinary capacity is available. Compared to the baseline n = 1 case, which by Shannon’s classical formula scales as one more bit/cycle for every 3 dB of signaltonoise ratio (SNR) increase, remarkably withMEAs, the scaling is almost like n more bits/cycle for each 3 dB increase in SNR. To illustrate how great this capacity is, even for small n, take the cases n = 2, 4 and 16 at an average received SNR of 21 dB. For over 99 of the channels the capacity is about 7, 19 and 88 bits/cycle respectively, while if n = 1 there is only about 1.2 bit/cycle at the 99 level. For say a symbol rate equal to the channel bandwith, since it is the bits/symbol/dimension that is relevant for signal constellations, these higher capacities are not unreasonable. The 19 bits/cycle for n = 4 amounts to 4.75 bits/symbol/dimension while 88 bits/cycle for n = 16 amounts t

基于OFDM 的多载波调制雷达系统信号处理及检测的文章-the paper:Signal Processing and Detecting for Multicarrier Modulated Radar System Based on OFDM

QPSK调制解调程序仿真程序，非常有参考价值-QPSK modulation and demodulation process simulation program, very useful

FM的调制程序，基于matlab的通信系统仿真系列。供刚接触到matlab的朋友使用-FM modulation procedure, Matlab-based communications system simulation series. For begin to friends using Matlab

GSM_protocal，GSM的短消息协议，^_^-GSM_protocal, GSM short message protocol, ^ _ ^

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

WLAN的ofdm仿真系统代码，包括信道估计、同步等-WLAN ofdm simulation system code, including channel estimation, synchronization, etc.

这是一个用Ｃ编程的网络通讯库 TC 源程序代码．-This is a C programming network communications source code for TC.