distinguishing signal meaning in English

辨别信号
鉴别信号
区别信号

Smart antenna adopts sdma , and in terms of the difference of transmission direction , it can distinguish signals of the same frequency and the same time interspace . smart antenna can enlarge cacacity greatly , and has become a key research topic of many countries nowdays . this dissertation makes a detailed introduction of smart antenna in the wireless communication system , mainly in the cdma system , and the influence of smart antenna on cdma system capacity is also analyzed . the dissertation is made up of six chapters : chapter 1 simply discusses the history of wireless communication and the three criteria of cdma , and introduces smart mobile communication technique
它可以成倍地扩展通信容量，已经成为当今世界各国的重点研究对象。本文对无线通信系统主要是cdma系统中的智能天线的技术特点做了详尽介绍，对智能天线对cdma系统容量的影响做了细致分析。全文共分六章，安排如下：第一章简述了无线通信的历史和三种cdma标准，介绍了智能移动通信技术的一些内容。