The numerical simulation results show that channel capacity will be affected by fading severity and diversity performance.
数值模拟表明信道容量与衰落程度和分集的性能有关。
For any coding scheme, the diversity performance is distinctive under different UCTP, it is mainly due to the different Utilization of frequencies resources.
对于特定的编码方案,不同的协议,其分集性能并不相同,主要是由于频率资源利用的不同引起的。
This paper presents an idea about diversity performance evaluation of managers : Combine the results - oriented and behavior - oriented of the evaluation to design fully diversity evaluation index ;
将绩效评价的结果导向和行为导向结合起来设计了全面多元的评价指标;
The diversity of performance techniques for piano playing derives from the player's correct playing methods and good mentality.
钢琴丰富的表现手段源于演奏者科学正确的演奏方法及良好的心理运用能力。
The narrator explained that this performance was to celebrate diversity.
现场解说的声音响起,说这场表演是为了庆祝世界多元化。
The diversity of film forming approaches has provide a new concept for studying the film-forming mechanism and performance prediction.
成膜物的成膜方式多样化为研究涂料成膜机理和预测性能开创了新思路。
Numerical and simulation results show that the Gaussian noises, multi user interferences, multipath fading and diversity receiving all have impact on the system performance.
数值计算和计算机仿真结果表明了高斯噪声、多用户干扰、多径衰落以及分集接收等对系统性能的影响。
Based on the concept of outage probability, the performance of diversity system with different combing methods is given by statistical analysis.
从中断概率的概念出发,采用统计分析的方法得到了不同合并方式下的分集系统性能。
The performance of a space-path diversity receiver in various coding schemes is illustrated.
讨论了在各种编码方案下空间路径分集接收机的误码性能。
Although the additional frequency diversity gain can be attained, by using efficient detection techniques, the performance of OFDM-CDM system is better than that of conventional OFDM.
CDM系统虽然获得了频率分集增益,但是,它必须通过有效的检测技术才能使其性能较之OFDM系统有所改善。
In order to improve the performance of receiver, the technology of RAKE diversity receiving is usually adopted, which needs the exact channel estimation information.
为了提高接收机的性能,一般采用RAKE接收等分集合并措施,这就需要准确的信道估计信息。
Whereas the non-orthogonal space-time block codes which obtain higher transmission rate at the cost of orthogonality and partial diversity gain may degrade the performance.
而以牺牲正交性和部分分集增益为代价来获得更高传输速率的非正交空时分组码又会使误码性能降低。
Diversity among base classifiers is known to be an important factor for improving generalization performance in ensemble learning.
差异性是提高分类器集成泛化性能的重要因素。
The performance of selective transmit diversity(STD) with feedback delay is investigated under time-varying Rayleigh channel.
研究了在时变瑞利衰落信道下,存在反馈时延的选择发送分集(STD)系统的性能。
Compared with the conventional phased array radar, MIMO radar may acquire a better target detection performance by exploiting space diversity and signal diversity techniques.
MIMO雷达采用了空间分集与信号分集技术,与传统相控阵体制雷达相比,可望获得更高的目标检测性能。
Aiming at the performance characteristics of MB-OFDM UWB, the formula for coding gain and diversity gain is worked out based on pairwise error probability of theoretical analyzing system.
针对MB - OFDMUWB系统的性能特征,基于理论分析系统的成对错误概率,获知编码增益和分集增益的计算公式,从而得到空时频编码方案的设计准则。
The rules can effectively use multi-user diversity to improve V-BLAST/OFDM systems' performance greatly.
该准则可以有效地利用多用户分集,明显提高V-BLAST/OFDM系统的整体性能。
In this paper the structure of Mode s transponder is shown and the antenna diversity, anti-interference as well as the performance of data link are elaborated upon.
本文给出模式S应答机的构成,并对天线分集,抗干扰性及数据链的性能给予说明。
Transmission diversity can achieve a considerable performance gain especially in the channel that lacks of available paths.
特别是在移动台低速移动,而信道可用径较少的环境下,发送分集技术可以获得相当可观的性能增益。
Therefore, system acquisition performance can be improved if diversity receiver is adopted for the frequency-selective fading channel.
因此在频率选择性衰落信道中,采用分集接收可以改善系统的捕获性能。
The performance analysis of the transmitted diversity system that adopts space-time code is a hot spot in research cycle.
采用空时编码的发射分集系统的性能分析是当前移动通信研究领域的热点问题。
In this paper, we mainly compare the performance of the two space-time codes in many aspects, such as design criterion, transmission rate, diversity gain, code gain and arithmetic complexity etc.
在本文中,本文对这两种编码方式在设计准则、传输速率、分集增益、编码增益和算法复杂性等方面进行了较为详尽的比较研究。
Performance comparison of space time trellis codes and space time transmit diversity is carried out under the same bandwidth efficiency in this paper.
本文在相同频带利用率下将空时格码与空时发射分集的性能进行了比较。
Applying Doppler diversity in OFDM system can combat the effect of Doppler spread on system performance.
将多普勒分集技术应用于OFDM系统,可以有效地对抗多普勒扩展对系统性能的影响。
Doppler diversity considers Doppler spread as a way of diversity, and improves the system performance by enhancing the signal energy.
多普勒分集将多普勒扩展作为一种分集方式,通过增强信号能量来改善系统性能。
Simulation results demonstrate the validity of the novel labeled-delay transmit diversity scheme and the performance of the blind estimation of frequency-selective channels.
仿真结果表明了上述标签延迟发射分集方法的有效性及其信道盲估计方法的性能。
Results of the performance analysis show this scheme provides more benefit of diversity to overcome fading than the conventional single antenna RAKE receiver, and so gets better BER performance.
数值分析结果表明,该方案在单天线RAKE分集基础上进一步增强多径分集效果,能较大地改善误码率性能和提高系统的抗衰落能力。
The result shows that every dimension of RD teams diversity has different effects on team performance.
结果表明,研发团队多元性的各个维度对团队绩效的各个维度分别有不同程度的影响。
The algorithm improves every layer of received signal of V-BLAST system using receiving diversity precessing of the receiver and better performance against error propagation.
该算法利用接收端进行分集接收处理来改善V-BLAST系统每层的接收信号,对进一步抵抗V-BLAST系统的误差传播效应取得很好的效果。
The algorithm improves every layer of received signal of V-BLAST system using receiving diversity precessing of the receiver and better performance against error propagation.
该算法利用接收端进行分集接收处理来改善V-BLAST系统每层的接收信号,对进一步抵抗V-BLAST系统的误差传播效应取得很好的效果。
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