diversity channel
英 [daɪˈvɜːsəti ˈtʃænl]
美 [daɪˈvɜːrsəti ˈtʃænl]
网络 分集信道
双语例句
- The Impact of Feedback Delay to the Performance of Selective Transmit Diversity under Time-Varying Rayleigh Channel
时变瑞利信道下反馈时延对选择发送分集性能的影响 - On the Multi-user Diversity for Downlink Channel of Multi-user MIMO System
下行MIMO通信系统的多用户分集研究 - Necessary condition for symbol transmit rate in which maximum diversity and channel capacity of linear space-time code are attained is given and a new systematic space-time block code design framework is proposed.
给出了线性空时码同时能达到最大分集度和信道容量的符号传输率必须满足的条件。 - The open loop transmit diversity scheme, named as STTD, and two feedback close loop transmit diversity schemas in downlink channel communication was defined in WCDMA standard.
WCDMA标准在下行信道传输中采用了称作STTD的开环发射分集方案和两种反馈模式的闭环发射分集方案。 - It is shown that polarization diversity can increase MIMO channel capacity efficiently.
研究表明：极化分集可以有效提高MIMO信道容量。 - Performance analysis of MQAM using MRC diversity reception in Nakagami channel
MRC分集接收的MQAM在Nakagami信道上的性能分析 - Performance Analysis of Space-Time Transmit Diversity with Imperfect Channel Estimation over Correlated Nakagami Fading Channels
非理想信道估计和相关Nakagami信道条件下空时发送分集的性能分析 - A New Suboptimum Diversity Combining Receiver without Channel Estimation
一种新的未知信道参数下的次最优分集合并接收机 - The smooth feedback of information, which is conditioned by several factors such as the length, capacity and diversity of information channel, is significant to scientific decision-making, promotion of the capabilities of regulation and intercommunication between investors and regulator.
从监管运作的角度说，投资者信息反馈渠道的长短、信息传导渠道的容量以及信息渠道的多样性等是制约投资者信息反馈的重要变量。 - It is an effective method to use diversity reception in Rayleigh channel. The best performance can be obtained when the diversity signals are independent of each other. The correlation between those signals deteriorates the bit-error performance.
在瑞利衰落信道中利用分集接收是抗衰落最有效的方法，当参与分集的各接收信号彼此独立时能获得最佳性能，分集信号之间的相关性会造成误码性能恶化。 - It uses the transmit diversity technique in MIMO channel to provide a high quality, reliable, fast, low cost way of wireless communication.
它充分利用MIMO信道的发射分集技术，实现了高质量、可靠、快速、低开销的无线通信方式。 - A novel approach is proposed for linear multi user detection in conjunction with transmit diversity to combat channel fading, multi user interference and inter symbol interference.
提出了一种将线性多用户检测与发射分集相结合的新方法，该方法能在克服信道衰落的同时抑制多址干扰和码间串扰。 - This paper proceeds an evaluation of selection diversity in Nakagami fading channel according to the principle of maximum output level. Closed form expression of bit error rate is derived and compared with the principle of maximum signal noise ratio.
本文根据最大输出电平准则，对选择式合并在Nakagami信道上的性能作了比以往理论分析更符合实际的评价，导出了误码率的闭式解，并与最大信噪比准则时作了比较。 - Performance of wireless multimedia DS-CDMA diversity receiver in fading channel Analysis approach of BER performance for equal-gain diversity
无线多媒体直扩分集系统在衰落信道下的性能研究等增益分集系统误码率性能分析 - The Integrated Application of Coding and Diversity Techniques in Rayleigh Channel
编码和分集技术在瑞利信道中的综合应用 - Performance Study of DS-SFH SSMA Communications with Multipath Diversity over Rayleigh Fading Channel
DS－SFH扩频多址系统在瑞利衰落信道中多径分集的性能研究 - While ARQ performs very high reliability and adapts the diversity of transmission channel.
ARQ可靠性高，并且能适应信道的变化。 - Performance analysis of selection diversity in Nakagami fading channel
选择式合并方法在Nakagami信道上的性能分析 - Simulation results show that the proposed scheme can improve the system performance significantly by using of the time diversity of time varying channel. The computational complexity can be reduced form O ( N 3) toO ( N).
仿真结果表明所建议的算法可有效地利用时变信道的时间分集特性来提高系统性能，计算复杂度从O（N3）降低到O（N）。 - Performance and application of transmitting diversity in Rayleigh channel with QPSK modulation
QPSK调制方式下瑞利信道发端分集的性能分析及实现 - Space-time Diversity, Channel Estimation and Signal Detection Technique for MIMO-OFDM System
MIMO-OFDM系统的空时分集、信道估计与信号检测技术 - Space time coded modulation has been shown to efficiently use transmits diversity in Raleigh fading channel.
空时编码调制是一种充分利用分集特性克服信道衰落的一种编码调制方式。 - Performance Limits of Diversity in Slow Fading Channel and the Applications of Turbo Code
慢衰落信道分集的性能极限与turbo-code的应用 - The simulation results show that the code achieves not only the code gain, but also the frequency and spatial domain diversity offered by channel, which approves the theoretical analysis.
仿真结果表明，这种新的编码方案可以获得编码增益以及满的空间域和频域分集增益，很好地支持了理论分析。 - In the mean time, the performance of BER ( bit error ratio) and channel capacity with different location of relay nodes is analyzed. Secondly, we discuss the optimization of the relay node location of cooperation diversity system under fading channel.
并分析了通过协作节点的选择，系统的误码率和信道容量的性能提升。然后，分析了衰落信道下中继位置的优化问题。 - In recent years, smart antenna technology has become the research hot point in communication field. It takes advantage of spatial diversity ability to increase channel capacity, improve spectrum efficiency and enlarge cover area, which improve system performance largely.
智能天线技术是近年来通信领域的研究热点，它利用自身的空分能力增加了信道容量，提高了频谱效率，扩展了覆盖范围，使系统性能得到极大的提高。 - This model was composed by an index system including stream habitat diversity indicator, channel wet rate and habitat unit quality indicator for rapid habitat quantificational assessment. The weight of indicators was determined by means of Delphi method.
从河流生境结构和功能出发，选用河流生境多样性指数、河道湿润率、生境单元质量指数，采用专家打分法确定权重系数，建立了山地河流生境快速评价指标体系及定量评价模型。 - In the car industry, because of the special technology, complexity of business process, diversity of the sales channel and mass production produce information in every day manufacturing process, information management and information coordination tasks become very difficult.
在汽车制造业中，信息管理和信息协调工作由于技术的专用性、业务流程的复杂性、销售渠道的多样性和每天在制造过程中产生的海量生产制造信息，管理任务变得十分艰难。 - A substantial increase in the speed of wireless communication promotes the development of modern diversity techniques, but channel utilization rate and the SNR of the system is still not high enough which mainly due to the con-elation between each channel.
无线通信速度的大幅提高，促进了现代分集技术的发展，但目前信道利用率和系统的信噪比仍不够高，主要是由于相邻信道之间具有相关性。 - Trenching treatments significantly reduced fungivore density and diversity and enhanced nematode channel ratio in both soil layers.
切根处理降低了各土层中食真菌线虫的密度和多样性，导致土壤线虫通路比值上升。