with k= 2/3 rate and 8

qpsk调制在瑞利信道中的性能仿真，以及各个阶段信号的星座图仿真-qpsk modulation performance in Rayleigh channel simulation, as well as the various stages of signal constellation simulation

设置端口名，波特率，打开端口，就可以发送数据，同时可以收到数据，还可以选择发送的方式，比如，可以以十六进制方式发送，在DATA中会显示数据部分，即是除去帧头和校验位之后的数据部分，

蓝牙通讯软件，串口通讯底层软件-Bluetooth communications software, serial communications software bottom

Parallel Port Monitoring being enabled with the VB Program with help of InOut dll .

生成2KHz和8KHz的混合信号，使该信号通过上述滤波器，观察滤波前后的波形变化和频谱分布情况。 在改信号中加入高斯白噪声，观察滤波前后的波形变化和频谱分布情况。-2KHz and 8KHz generation mixed-signal, so that the signal through the above-mentioned filter, filter before and after observation of the waveform and spectrum distribution of the changes. Add to the signal in white Gaussian noise was observed before and after filtering the waveform and spectrum distribution of the changes.

基于 CPU 的精确计时器，时钟频率越高，计时越准 -on CPU precision timer, clock frequency, the higher the more time-

网络查询工具Ipconfig的C实现源代码版本，适用于WINCE平台。使用IPHelper API接口函数。

PPPoE通讯协议,用时作嵌入式时,挺有用的-PPPoE protocol, used for embedded when quite used

发送短信源程序，目的是在windows mobile上实现短信发送功能-SendingSms

第三代移动通信系统,通信协议.WCDMA系统.-Third-generation mobile communication systems, communication protocols. WCDMA system.