| 1. | Cdma is a kind of advanced wireless spread spectrum technique
码分多址技术( cdma )是一种先进的无线扩频技术。 |
| 2. | Satellite multiple - access technique
卫星多址技术 |
| 3. | Application of paired carrier multiple access technique in satellite communications
卫星通信系统成对载波多址技术的应用 |
| 4. | Pcma ( paired carrier multiple access ) is a new way of multiple access in satellite communication
双载波多路( pairedcarriermultipleaccess ,简称pcma )是一种新兴的卫星通信多址技术。 |
| 5. | Chapter 1 introduce the concepts of broadband access netwotks , integrated services , qos , multiple - access protocols and cdma
第一章介绍了几种目前流行的宽带接入网技术以及宽带业务，服务质量，多址接入协议和码分多址技术。 |
| 6. | Cdma is one of the promising technologies for future mobile communicationsystem . its several features can not be compared with other multiple accesstechnologies
码分多址( cdma )技术被认为是第三代移动通信系统的代表之一,它具有其它多址技术不可比拟的优越性。 |
| 7. | There are three multiple - access techniques mainly in optical communication , including wdm , tdm and cdma . optical cdma techniques were proposed in mid - 1970s , now , have attracted much attention
在光通信领域，多址技术主要有wdm (波分复用) 、 tdm (时分复用)及ocdma (光码分多址)三种方式。 |
| 8. | The basic theory , system scheme and key technology of ocdma technology are introduced in the first chapter . the advantages and the future development of ocdma system . are summarized
论文首先对光码分多址技术的基本原理,系统方案以及关键技术进行了介绍,并对ocdma系统的优点以及发展前景进行了总结。 |
| 9. | It works often in burst mode . the signal channel is complex and large . several protocols can be applied to the system : fixed addressing , committed addressing and stochastic addressing ( aloha ) protocols
系统使用的多址协议可以是固定分配地址的、按需分配地址的或者是随机接入的，这三种方式中，当网络用户数量大而业务量小，用户间歇工作时候，随机接入多址技术简单而高效。 |
| 10. | Code - division multiple - access ( cdma ) technology has become the main technology studied in the personal communication service ( pcs ) recently because it has lots of benefits , such as large system content , high voice quality , easy frequency scheme , low cost of the net making and so on
码分多址技术因其具有系统容量大、语音质量高、频率规划简单、建网成本较低等众多优点，已成为近年来个人通信业务中研究的主要技术。 |
