一个好的ICQ网络聊天工具，很好。

In this simulink model , BPSK modulation and demodulation is simulated .A square root raised cosine pulse shaped signal is modulated and given as input to the demodulator.The received signal is demodulated and given to the detector where it is matched filtered and down-sampled .The effects of symbol timing offset can be seen by varying the phase of down-sampling operation.The signal transmitted is recovered at the detector output.-In this simulink model , BPSK modulation and demodulation is simulated .A square root raised cosine pulse shaped signal is modulated and given as input to the demodulator.The received signal is demodulated and given to the detector where it is matched filtered and down-sampled .The effects of symbol timing offset can be seen by varying the phase of down-sampling operation.The signal transmitted is recovered at the detector output.

该代码能够实现在多径信道下对QPSK信号做盲均衡，采用的是CMA算法，仿真结果由四部分构成，分别是：均衡前后信号星座图的对比图；均衡后系统的误码率曲线，误差函数的收敛曲线；信道响应。

本文简单介绍了OSI 抽象语法符号（ASN.1）的子集――基本编码规则（BER）和可辨别编码规则（DER）。-This article briefly introduced symbols OSI abstract syntax (ASN.1) subset- Basic Encoding Rules (BER) and the identifiable coding rules (DER).

单发多收OFDM系统基于子空间方法的信道估计，可直接运行

智能卡标准，英文原版 ISO/IEC7816-3-ISO-IEC7816-3

altera公司的fpga期间的所有lpm模块的快速设计，涵盖了全部的lpm ip模块-altera during the fpga all lpm module rapid design, cover all the ip module lpm

功能描述：FileManager用于对射频读卡器的数据更新和文件管理,操作界面仿照Windows的文件管理。通讯采用串口通讯，波特率为115200。 开发环境：C++ Builder 6.0 所用控件：TComm、ExpressNavBar Suite-Functional Description: FileManager RF card reader for data update and document management, user interface modeled on the Windows file management. Communications using serial communications, baud rate to 115200. Development Environment: C++ Builder 6.0 used in the control: TComm, ExpressNavBar Suite

lcd多级菜单 -lcd multi-level menu

摘要描述gps这个系统的matlab仿真,对其中捕获和跟踪的仿真比较详细-Gps the system summary description of the matlab simulation, capture and tracking of them in more detail the simulation