quadrature phase shift keying demodulation technique

用频率抽样法设计FIR滤波器。-frequency sampling method used FIR filter design.

SIP and IPLink in the Next-Generation Network.pdf 下一代网络中的SIP和IPLink-SIP and IPLink in the Next-Generation Network.pdf next-generation network SIP and IPLink

demo for java

PocketPC下的计算器-PocketPC under the Calculator

嗨伙计们，这是我第一篇文章，下面是在 C# 中使用串口的基本项目的描述。我创建一个程序，使用写入和读取。与 Texbox 你写任何你想要和点击"发送"，此消息是通过串行通讯 （RS232、 RS485、 RS422，TTL） 发送。每一次，timer1 的事件处于活动状态，将调用 portSerial，并将文本框 （form1 中） 中显示的消息。

中文RFC文件，无需翻译，对学习很有帮助！

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

multi-line Adjunct Communication Server

资源描述

详细描述了码分多址编解码算法的原理和实现方法