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通信行业中的扩频通信技术使用广泛，该文档主要介绍有关扩频通信的相关知识。-communication sectors of the use of spread-spectrum communication technology widely, the document introduces the spread spectrum communication related knowledge.
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FLL、PLL、DLL的设计与比较,在扩频通信系统中这三种环路就是关键。,FLL, PLL, DLL design and comparison, in the spread spectrum communication system in these three loops is the key.
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SPREAD SPECTRUM MODULATION TECHNIQUES
-spread spectrum - those modulation methods that are producing a signal whose
spectrum is more wider than of the data signal, the occupied frequency band being
independent by the signal of data band.
-The sig
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详细介绍直接序列扩频原理，估计扩频信号的参数方法。-Introduced the principle of direct sequence spread spectrum, spread spectrum signal parameters estimation method.
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有关扩频通信的多种方式的详细说明以及多种多址通信方式的介绍-On the spread spectrum communication a detailed descr iption of a variety of ways and a variety of multiple access communication method of introduction
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注意：刚上传的不完整，以这个为准 （在DS-spread spectrum系统中,噪声为加性高斯白噪声,传统单用户检测,线性解相关多用户检测和最小均方误差多用户检测的性能比较）-In DS-spread spectrum system, the noise is additive white Gaussian noise, the traditional single-user detection, the linear decorrelating multiuser detection and
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西安电子科技大学数字通信课件，包括信道编码，扩频通信，同步，通信网等内容，希望对大家有用-Xi an University of Electronic Science and Technology of digital communications software, including channel coding, spread spectrum communications, synchronization, communication networks, etc., in the hop
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所谓扩频通信，是扩展频谱通信的简称。它是指用来传输信息的射频带宽远大于信息本身带宽的一种通信方式，扩频通信系统的出现，被誉为是通信技术的一次重大突破。-The so-called spread spectrum communications, spread spectrum communication is short. It is used to transfer the information bandwidth of the RF bandwidth is much greater tha
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This book is about the Principles of Spread Spectrum Communication Systems.
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这是一个关于扩频通信的介绍，希望对大家有所帮助，谢谢大家的支持，希望大家可以共同进步-This is about the spread spectrum communication s introduction, hope to help, thank you for your support, you can make progress together
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This document describes about the digital modulation techniques especially about spread spectrum.
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扩频通信系统及MATLAB仿真
先阐述了扩频通信的基本原理、主要性能指标及其工作特点,然后根据香农定理和柯捷尔尼可夫潜
在抗干扰理论,借助MatLab工具箱和MonteCarlo仿真算法,建立了直接序列扩频通信系统仿真模型.通
过分析无干扰时的误码率仿真曲线与理论计算值,证明了所建仿真模型的正确性。
-The spread spectrum communication system and MATLAB simulation first elaborated the basic
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CDMA系统中的扩频研究，这是时下应用广泛的一种技术，并且会在接下来的4G网络中更深应用-Study of the spread spectrum CDMA system, which is nowadays widely used a technology, and deeper in the next 4G network applications
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基于matlab的simulink的扩频通信的的发射机的实现仿真模型。-Simulation model of the spread spectrum communication transmitter matlab based on simulink.
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对直接序列扩频通信系统的介绍教程 CDMA和TDMA 性能估计和理论公式 好文-Direct sequence spread spectrum communication system the introductory tutorial CDMA and TDMA performance estimates and the theoretical formula!
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进行直接序列扩频/跳频信号（DS-FH）的简单生成过程仿真-Direct sequence spread spectrum/frequency hopping signal (DS-FH) generates a simple process simulation
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function set is provided to the student to generate two spread codes. It is not an ideal generator but simply generates an excess of pseudo-random uniformly distributed sequences, partitions that into a large set of spread codes and then selects the
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MATLAB实现扩频通信系统仿真，实现m序列生成，发射端发射信号，接受端接受信号-MATLAB realization of spread spectrum communication system simulation, realization m sequence generation, transmission side transmits the signal, the receiving end receives signals
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结束语
本文针对扩频技术在WCDMA系统的中的应用进行简单论述及仿真。文中先对扩频通信基本原理及WCDMA的基本原理进行了简单的介绍，也对移动通信和扩频通信的发展进行了简要说明。再对扩频通信技术在WCDMA中的应用进行了简单介绍，最后重点对WCDMA中的扩频、加扰、调制以及解扩、解扰、解调,进行了仿真模型的建立和对仿真结果进行了时域分析。
-Conclusion In this paper the application of spread spectrum technology in
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直接序列扩频通信系统仿真设计,对扩频的整个工作过程进行详细的介绍，并且最后给出matlab代码的实现-Direct sequence spread spectrum communication system simulation design, the spread of the entire work process to carry out a detailed introduction, and finally gives the implementation of matlab code
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