1、扩频通信技术的应用 【摘要】 扩频通信，即扩展频谱通信(Spread Spectrum Communication)，它与光纤通信、卫星通信一同被誉为进入信息时代的三大高技术通信传输方式。扩频技术最大的特点是利用宽频带来传输信号。由于扩频系统具有许多优点，如抗干扰能力强、截获概率低和保密性强以及良好的码分多址通信能力，所以扩频技术已被广泛应用。CDMA就是利用扩频技术发展起来的一种扩频通信方式，它具有容量大，通信质量好，节约发射功率等优点。文章试就一些扩频通信的原理及中CDMA采用的扩频技术作些讨论，此外也简单介绍了一些扩频通信在其他方面的应用。 Spread S
2、pectrum Communication, namely the Spread Spectrum Communication (Communication), it Spread with such optical fiber Communication, satellite communications with the information era is known as into three high technology transmission mode. Spread spectrum technology's biggest characteristics
3、 is to use broadband bring transmission signal. Because of spread spectrum system has many advantages, such as strong anti-jamming capability, intercept probability and low confidentiality strong and good communication ability, so the code division multiple access (cdma) has been widely sp
4、read spectrum technology application. CDMA is using the spread spectrum technology developed a kind of spread spectrum communication mode, it has a large capacity, good quality and saving communication transmission power, etc. This article tries to some spread spectrum communication princi
5、ple and CDMA adopted in the spread spectrum technology make some discussionIn addition also introduced simply some spread spectrum communication in other applications关键词扩频通信 码分多址（CDMA） 本地接入网 电力系统 一、扩频通信的理论基础 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， 利用比原始信号（信源产生的信号）本身频带宽得多的射
