English translation for "码分多址技术"
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- cdma
Related Translations:
编址: addressing◇编址存储器 addressed memory; 编址方式 addressing mode; 编址寄存器 addressable register; 编址系统 addressing system 单位址码: code single addresa 读址计数器: read address counter 组址信息: group address message
- Example Sentences:
| 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. | 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。 | | 3. | 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。 | | 4. | 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。 | | 5. | Now cdma is very mature and becomes the key technique of the third - generation mobile communication systems . more and more attention is paid to the technique of multi - carrier . mc - cdma is combination of ofdm and cdma , thus advantages of both techniques are exploited
近年来移动通信技术发展迅猛，码分多址技术到目前已经非常成熟，并成为了第三代移动通信系统的核心，人们将眼光聚集在正交频分复用调制技术，将多载波调制技术应用于cdma中，从而兼具多载波技术和cdma技术的优点。 | | 6. | With the trend that cdma will be the dominant multi - access scheme in the new generation of wireless communication , how to apply spatial processing in cdma system has been becoming the emphasis of research in smart antenna . a proper method is space - time processing due to the space - time structure of wireless channel . beamforming can be combined with rake to form 2d rake receiver , which can effectively weaken the enhancement of mai in conventional rake receiver . however a more effective method is to use space - time filtering . these two scheme will be discussed and the structure and realization will be presented
码分多址技术逐渐成为新一代通信系统的主流多址技术,如何在码分多址系统中引入空域处理以改善系统性能是当前智能天线技术研究的重点之一.考虑到无线信道的时空二维结构特征,一种合理的实现方式是采用时空处理方法,将波束形成技术与时域分集技术相结合;另一种更有效的方法是在接收端采用时空二维联合处理,对无线信道进行时空二维均衡 | | 7. | The researching work of this thesis is mainly about the encoding and decoding schemes of the arrayed waveguide gratings and the bragg fiber gratings systems . firstly , the basic principle , system schemes and the key technologies are introduced in section one . the development , research status and trends of ocdma technologies are also summarized
本论文的第一章对ocdma系统进行了较为全面的综述,对光码分多址技术的基本原理和分类、编解码结构方案以及关键技术进行了介绍,并对光码分多址技术的发展和现状进行了概述。 | | 8. | Firstly , the basic principle of ocdma , the basic theory of ooc and the key technologies of ocdma are introduced . the development , research status and trends of ocdma technologies are also summarized . combining with other multiplexing technologies and using fiber gratings as the encoder / decoder are the trends of ocdma system
论文首先对ocdma的基本原理、光正交码的基本理论以及关键技术进行介绍,对光码分多址技术发展历史、研究现状以及发展趋势进行总结,指出同其它复用方式相结合的混合全光网络和采用光纤光栅编解码器是光码分复用技术最有希望的发展方向。 | | 9. | In this paper , after introduction of the code division multiple access ( cdma ) and orthogonal multicarrier ( mc ) technique , the system model of mc - cdma is analyzed and the bit error rate ( ber ) performance in downlink and uplink channel is shown in awgn channel by computer simulation
本文在码分多址技术和正交多载波技术原理基础上，分析了高斯白噪声信道中多载波码分多址( mc - cdma )系统的数学模型，并且使用不同的扩展码对下行信道和上行信道误码率性能分别作了计算机仿真分析。 |
- Similar Words：
- "码分多址" English translation, "码分多址的英文缩写" English translation, "码分多址蜂窝系统" English translation, "码分多址个人通讯网" English translation, "码分多址基础" English translation, "码分多址接入" English translation, "码分多址开发组" English translation, "码分多址信道" English translation, "码分多址移动通信系统" English translation, "码分多重存取" English translation
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