space diversity的例句大全

Meantime , the space diversity combining ( SDC ) technique is exploited to further perfect the systems performance.

并采用空间分集合并 ( SDC ) 技术进一步完善其上行链路性能.

An adaptive orthogonal frequency division multiplexing ( OFDM) scheme is described with a simple space time coded transmit diversity for frequency selected fading channel by combining adaptive modulation with spacial diversity.

将自适应调制技术和空间分集技术有机地结合起来，提出了一种与简单空时编码发射机分集相结合的恒定比特率自适应正交频分复用（OFDM）方案。

Therefore, cooperative diversity has been proposed, which enables single-antenna users to exploit space diversity in a distributed way by sharing their antenna and creating the virtual antenna array ( VAA) for relayed transmission.

合作分集技术是利用其他用户的天线构成虚拟天线阵（VAA），中继传输信息，从而实现分布式空间分集。

A Receive Space Diversity Scheme for MIMO-SC/ FDE Systems Based on Space-Time Block Coding

一种基于空时分组编码的MIMO-SC/FDE系统的接收空间分集方案

These yam germplasms exhibited extensive genetic variability, there were plent of utilize space in breed-cultivated process. 16S rDNA PCR-RFLP cluster analysis and REP-PCR cluster analysis indicated that there is a great genotypic diversity of Pseudomonas fluorescens.

由此可见，我国山药品种资源具有丰富的遗传多样性，在品种选育亲本选择上有很大的利用空间。16s rDNA PCR-RFLP和REP-PCR分析揭示了荧光假单胞菌存在高度的遗传多样性。

Space-Time coding is a coding technique to achieve the diversity gain of multiple antennas system.

时空 编码是一种可以从多重天线系统中得到分集增益的编码技术.

Space diversity technology can solve this problem without increasing the transmission power or bandwidth.

空间分集技术可以在不增加发射功率或系统带宽的情况下解决这一问题。

Study on the Differential Space-Time Coded Diversity System

差分型时空编码分集系统的研究

In the new coded strategy, symbols on the same sub-carriers between different OFDM frames are to be space-time coded and then transmit diversity could be achieved;

在该策略中，对OFDM帧间相同载波上的符号进行空时编码，实现空时分集；OFDM帧内各子载波上的符号则使用循环延迟引入频率分集，实现空频编码。

The focus here is space-time diversity, channel estimation and signal detection.

本文的研究重点是MIMO-OFDM 系统的空时分集 、 信道估计和信号检测技术.