frequency-selective channels的意思|示意

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。

The bandwidth efficiency and ability to combat the effects of frequency selective channels are critical issues in the design of wideband wireless digital communications system.

在宽带无线数字通信系统中，影响信息高速传输的最主要的一类干扰是由信道的多径效应所引起的频率选择性衰落。

Time-selective Rayleigh fading of channels is caused by Doppler shift and carrier frequency offset.

接收端的高速运动或者载频的偏移，会引起信道的时间选择性衰落。

MA method, a novel MPS (minimum power sum) approach based on a distributed NSCs is proposed after the frequency selective property of wireless channels is considered.

MA计算复杂度较高，在充分挖掘无线信道频率选择性特点基础之上，我们提出了一种新的分布式零载波的最小功率和方法。

The tapped delay model of the multi-path frequency selective fading channels as well as the diversity receiver technique is introduced, and the principles of RAKE receiver are described.

本文首先讨论了移动通信信道的各种参数对信道估计的影响，介绍了频率选择性信道的抽头延迟线模型和分集接收技术，在此基础上阐述了RAKE接收机的原理。

The problem of channel estimation and tracking for MIMO time-varying frequency-selective channels is investigated based on training sequences.

本文主要研究了基于训练序列的多输入多输出（MIMO）时变频率选择性衰落信道的估计与跟踪问题。