记录我的一些收藏夹里的东东，很不错的，大家看看吧

本文件为中兴公司关于wcdma的培训资料，介绍了wcdma的基本原理和实现方案-This document is for the companies ZTE WCDMA training on information, introduce the basic principles of the WCDMA and the realization of the program

LTE 3GPP channel modeling using matlab.   Generates the correlated tap coefficients of the MIMO tapped delay line % model to be used during one iteration of the main loop. The function % performs a double interpolation, first in the fading vector domain, % to collect the fading samples corresponding to the (sub)chip-spaced time % samples, then in the tap domain, to match the delays of the PDP to % the sample instants of the simulation. This second interpolation complies % with the description in TR 25.869  

此代码为简单的ftp服务器，里面有课程设计相关内容，适合在校大学生学习和使用-This code for a simple ftp server, which has curriculum design-related content, suitable for college students to learn and use

CRC的全称为Cyclic Redundancy Check，中文名称为循环冗余校验。它是一类重要的线性分组码，编码和解码方法简单，检错和纠错能力强，在通信领域广泛地用于实现差错控制-CRC called the Cyclic Redundancy Check, the Chinese name of the Cyclic Redundancy Check. It is an important class of linear block codes, encoding and decoding method is simple, and error detection and correction capability in the field of communication widely used to achieve error control

Simulate, by using c++ ,a communication system consists of binary source, RS(7,3,5)/RS(128,122,7) encoder, BPSK modulator, AWGN channel, coherent demodulator, RS(7,3,5)/RS(128,122,7) BM decoder and sink。-Simulate, by using c, a communication system consists of binary source, RS (7,3,5)/RS (128,122,7) encoder, BPSK modulator, AWGN channel, coherent demodulator, RS (7,3,5 )/RS (128,122,7) BM decoder and sink.

3GPP LTE的MIMO Channel Model,是在SCM基础上进行的扩展，比SCM能支持更大的带宽及更高的频段-3GPP LTE of MIMO Channel Model, is based on SCM expansion than SCM can support a greater bandwidth and higher frequency bands

应用背景代码在移动AdHoc网络路由协议仿真的主要三。三协议AODV（Ad Hoc On-Demand Distance Vector），DSR（动态源路由）和DSDV（目的序列距离矢量）。AODV与DSR落在无协议的范畴而DSDV落在主动路由协议的分类。关键技术Cygwin NS-2模拟仿真结果使用awk脚本收集旅行文件。越南的文件不包含的项目，但可以很容易地生成与给定的代码可视化的目的。Cygwin在跨平台的应用提供Linux环境在Windows平台上可以运行的NS 2模拟器。该项目还包括绘制的图形具有gunplot脚本文件创建（画。PLT）。在Windows的使用Windows版本可以安装到图（wgunplot）。

The dynamics of orbit uncertainty in an unstable orbital environment are discussed with specific application to the orbit determination of a halo orbit about the Earth{Sun L1 point. This article documents a simplified orbit determination covariance program developed under Telecommunications and Mission Operations Division Technology support. The program is ideally suited to investigate spacecraft trajectory navigation in challenging environments, where the basic dynamics of the trajectory can no longer be modeled using near-Keplerian motion.

TCPServer using, numbers of clients connects in server

MagicSopc DDR-Sdram