frequency selective fading是什么意思

网络释义

用法例句

Iterative interference cancellation based on decoding algorithm of space-time block coding in frequency-selective fading;

频率选择性衰落下一种基于迭代干扰抵消的空时分组码译码算法

A blind adaptive decorrelating Rake receiver for CDMA communications over frequency-selective fading channels;

一种频率选择性衰落信道下的盲自适应去相关Rake接收机

A data block transmission technology of Alamouti′s space-time block codes with two transmit antennas and one receive antenna in single-carrier system was proposed over frequency-selective fading channels.

研究了频率选择性衰落信道中采用2个发送天线1个接收天线的单载波Alamouti空时分组编码数据块传输技术。

The multipath propagation caused by it in the frequency is a generalized Rayleigh_distribution in mathematics, and the reason that causes frequency selective fading.

随参信道总体上是一个随机过程 ,所造成的多径传播在频域中经数学分析为一广义瑞利分布 ,同时多径传播是造成频率选择性衰落的成因 ,以上两特性是严重影响信号的随参信道传播的重要特

When transmitting signal at high bit rate, the Reentry Remote Sensing channel presented an obvious character of frequency selective fading and the two-path model could well model this channel.

当传输码速率较高的情况下,再入遥测信道呈现频率选择性衰落特性,双径模型可以很好的模拟这种频率选择性信道。

To cope with frequency selective fading caused by intersymbol interference(ISI), a MIMO decision feedback equalizer (DFE) was used to change the channel into a freqency non-selective one, which was jointly optimized with a second order phase-locked loop(PLL) to compensate the carrier phase shift.

为了抵抗水声多径传播造成的频率选择性衰落,接收机采用MIMO判决反馈均衡器,结合二阶锁相环路补偿载波相位偏移,将水声信道转换为频率非选择性信道。

A Genetic Particle Filtering Equalization in Frequency Selective Fading Channels;

频率选择性衰落信道下一种遗传粒子滤波均衡器

The proposed method has a simple close-form solution,which avoids the process of iterative searching and has less computational complexity,and it is suitable for slow time-varying frequency selective fading channels.

该方法具有简单的闭式解,避免了迭代搜索过程,降低了计算量,同时也适用于慢时变的频率选择性衰落信道。

A novel system based on cooperative distributed space-time block code and multi-carrier code division multiple access(DSTBC-MC-CDMA) is proposed which works well on multiple single-antenna users wireless networks in frequency selective fading channel.

本文提出了无线网络中频率选择性衰落信道环境下的一种基于分布式空时分组码和MC-CDMA的协同发射分集方案,建立了协同用户间的误码表示模型,基于该模型推导了协同分集方案误码性能的理论表达式,并分析了协同用户间的平均解码差错概率对系统方案误码性能的影响,同时给出了仿真结果。

This paper generalize diagonal algebraic space time block codes over flat fading channel to frequency selective fading channel and proposes a diagonal space frequency(DSF) block codes.

将平坦衰落信道的对角代数空时码(ＤＡＳＴ)推广到频率选择性衰落信道,提出了对角空频分组码(ＤＳＦ)。

The transmission characteristic of frequency selective fading channel is summarized.

概述了频率选择性衰落信道的传输特性,论述了采用均衡技术的必要性。

New BLAST Scheme under Frequency-selective Fading Channel

频率选择性衰落信道下的BLAST新方案

Analysis of BER performance for SFH/GMSK in frequency-selective slow fading channel

频率选择性衰落信道SFH/GMSK误码性能分析

On Synchronization Algorithms for MIMO-OFDM Systems over Frequency Selective Fading Channels;

频率选择性衰落信道MIMO-OFDM系统同步算法研究

An Improved Iterative Decoding Algorithm for V-BLAST in the Frequency Selective Channel

频率选择性衰落信道中V-BLAST系统的改进概率译码算法

Time-Reversal Orthogonal Space-Time Block Coding Design for Frequency-Selective Fading Channels

频率选择性衰落信道中的时间反转正交空时分组码设计

A Low Complexity Decoding Algorithm for Orthogonal Space Time Block Codes in Frequency Selective Fading Channels

频率选择性衰落信道中一种低复杂度的正交空时分组码译码算法

Research on Statistical Properties for Frequency-nonselective Channels in Mobile Fading Channels;

移动衰落信道中非频率选择性信道统计特性的分析与研究

Study on the Space-Time Coding for Frequency and Time Selective Fading Channels;

频率和时间选择性衰落信道下的空时编码技术研究

Analysis of ICI power of OFDM systems in time selective fast fading channel

时间选择性快衰落信道中OFDM系统的ICI功率分析

Adaptive Receiver for Multirate CDMA Systems on Frequency-selective Fading Channel;

频率选择性衰减信道下的多速率CDMA自适应接收机

A miniaturized frequency selective surface with excellent center frequency stability

高频率稳定性的小型化频率选择表面

Research on Space-Time Block Codes under Selective Fading Channels;

选择性衰落信道下的空时分组码研究

The Performance Analysis of STBC-OFDM System over Frequency-Selective Fading Channels;

频率选择性信道下STBC-OFDM系统性能研究

Comparative Study on Basis Expansion Models in Time-Selective Fading Channels

时间选择性衰落信道的基扩展模型比较

Selection of Cooperative Partner Based on Correlation of Shadow-fading

基于阴影衰落相关性的协作伙伴的选择

The superficial layers are often frequency selective to transmission.

表层传播一般都有频率选择性。

FDTD Method Applied to Analyzing Frequency Selective Surfaces;

基于FDTD方法的频率选择表面特性分析

Electromagnetic analysis of finite periodic frequency selective surfaces

有限周期频率选择面的电磁特性分析