English translation for "space diversity"
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- 空间分集
空间相异性
Related Translations:
diversity: n.1.不同,异样,差异。2.繁多,多种,多样,驳杂,参差。短语和例子a diversity of methods 方法的多种多样。 a diversity of interests 多种多样的趣味。 diversity factor 【电学】照强差异因素。
- Example Sentences:
| 1. | Spatial multiplexing and space diversity gain of a system can be extracted through mimo technique 多输入多输出( mimo )技术可以为系统提供空间复用增益和空间分集增益。 | | 2. | One of the convertion technologies of space diversity is antenna array , which is researched and ultilized in 3g and beyond 3g system 空间分集技术的一种传统的应用技术是通过多天线或天线阵列实现,并在3g , beyond3g等系统中得到研究和应用。 | | 3. | A joint frequency and space diversity scheme is presented which can reduce computational cost . 3 . an adaptive bit , power and subcarrier allocation is presented 分集技术,重点介绍了一种空间频率联合分集接收技术,它能够大幅度降低计算量; 3 | | 4. | Among the effective methods to mitigate the fading in wireless communications is transmit diversity , which can utilize the space diversity of transmit antennae to generate the receive diversity and improve the performance of the forward link 发送分集技术是对抗无线信道衰落的重要手段,它能将发送天线的空间分集转化为接收机可以利用的分集方式,以改善前向链路的性能。 | | 5. | The fourth part considered how to improve system performance by adopting transmission diversity in flat fading channels . in the traditional space - time trellis code design , the space diversity , time diversity and channel code are concerned together to get best space diversity , time diversity and code gain 传统的空时格码把空间分集、时间分集和前向纠错编码联合设计,以n摘要获得最大的空间分集、时间分集、信道编码的增益。 | | 6. | And diversity is a technique of extensive use and maturation , a technique of more inexpensive investment with more improvement in wireless communication . the common diversity be classified as space diversity , polarization diversity , frequency diversity , and time diversity etc . this paper focus on implement of space diversity and polarization diversity in digital field 无线传输在自然界中存在大量不相关的多径信号,分集技术是通信中的一种广泛应用的、成熟的技术,一种用相对较低廉的投资就可以大幅度的改进无线链路性能的强有力的接收技术。 | | 7. | In this part , the two anterior chapters mainly discuss the various basic theories used by the designing for the propagation paths of the electric wave . the theories include the computation methods for the fade and the loss of various propagation paths and obstructions , the engineering estimation methods of the flat fading and frequency selected fading , the designing methods of space diversity and frequency diversity , etc . at the same time , the special designing method of the sea - across path is discussed in detail 本文首先阐述了微波中继通信工程设计中的相关知识,其中前两章主要论述了线路设计中所用到的种种理论基础知识,包括对于各种路径情况、障碍情况的衰落与损耗的不同计算方法,平衰落与选择性衰落中断率的估算方法,天线分集和频率分集技术的理论知识和设计方法等等。 | | 8. | However , in practical systems , the deployment of antenna array is difficult due to the size and / or price limitation . recently a new form of space diversity , which is based on relay channel model and through users ’ help for each other , named cooperative diversity has become an atructive technology 但是由于尺寸,能量,价格等因素限制,在移动终端使用多根天线具有一定的困难,最近一种基于中继信道模型的,同时利用多个用户的互相协助而实现空间分集的技术? ?协同分集技术,成为一个新的研究热点。 | | 9. | Because of the affection of noise and signal fading , in order to high data rate access and high quality , wireless communication need new technology to improve the link reliability and enhance the spectrum efficiency . mimo ( multiple input and multiple output ) can enhance the spectrum efficiency and increase channel capacity greatly , and reduce the multipath affection without spectrum band and power increasing . the 3th generation mobile communication wcdma is coming , with the purpose of putting mimo , stbc ( space time block coding ) , space diversity into practice of wcdma systems , in order to lay the foundation of 3g toward 4g , this dissertation has done some research under this background 在发射机和接收机使用多个天线进行数据传输的多输入多输出( mimo )技术,可以在不增加带宽和天线发送功率的条件下,成倍的提高频谱利用率,提高系统的信道容量,还可以抗多径干扰。第三代移动通信wcdma即将到来,为了将多天线技术( mimo ) ,空间分集技术,空时编码技术用到wcdma系统中去,为第三代移动通信向第四代移动通信系统平稳过渡奠定一定的基础,需要做一些理论上的研究。 | | 10. | Firstly , we introduce the principles of turbo codes and present the simulation results and performance analysis . secondly , considering some factors on which performance depends , we give some design criterias of turbo codes . finally , in consideration of characteristics of mobile channel , we investigate the combination of turbo coding technique and space diversity technique , namely , space time turbo coding ( sttuc ) technique 本文紧密围绕turbo编码技术,首先介绍turbo码的基本思想和原理,同时给出了turbo码的性能仿真及分析;然后结合turbo的性能要求,给出提高编码性能的一些设计准则;最后结合移动信道的特点,详细的讨论了具有空间分集的turbo编码技术? ?空时turbo编码( sttuc )技术。 |
- Similar Words:
- "space distortion" English translation, "space distribution" English translation, "space distribution of neutron flux" English translation, "space disturbance forecast" English translation, "space divergence" English translation, "space diversity gain" English translation, "space diversity protection" English translation, "space diversity reception" English translation, "space division" English translation, "space division circuit" English translation
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