quadrature multiplexing

用法例句

Orthogonal Frequency-Division Multiplexing(OFDM) transmitter diversity scheme based on Space-Frequency Block Code(SFBC) can effectively overcome detrimental influences induced by fast fading channels and improve system performance by utilizing space diversity.

空频分组编码(SFBC)结合正交频分多路复用(OFDM)的发射分集方案(SF-OFDM)利用空间分集可以有效克服快衰落信道造成的不利影响,提高系统性能。

In this paper,we construct the OFDM C DMA and OFDM-CDMA system on the Matla b platform,and contrast their performance with different users,differe nt multipath and different SNR.

在MATLAB平台上搭建了正交频分多路复用(OFDM)、码分多址(CDMA)以及正交频分多路复用—码分多址(OFDM-CDMA)的仿真系统,分析了用户数、多径及信噪比对系统误码率的影响,并进行了性能比较,得出了有意义的结论。

Two timing offset estimation methods for orthogonal frequency division multiplexing(OFDM)sys-tem as modifications to T.

Cox提出的解决正交频分多路复用(OFDM)系统定时同步的基础上,给出了两种改进算法。

The nonlinear distortion effects of a solid state power amplifier (SSPA) on the transmission system of orthogonal frequency division multiplexing (OFDM) digital high definition television (HDTV) were investigated.

研究了固态功率放大器（ＳＳＰＡ）非线性失真对正交频分多路复用（ＯＦＤＭ）数字高清晰度电视（ＨＤＴＶ）传输系统性能的影响。

A space-time-frequency(STF) coded orthogonal frequency division multiplexing (OFDM) transmitter diversity scheme for fast fading frequency selective channels is proposed.

提出了一种基于空间时间频率(STF)编码的正交频分多路复用(OFDM)发射分集方案,这种传输方案可用于频率选择性快衰落信道。

The orthogonal frequency division multiplexing(OFDM)technology has been widely used in the communication realm.

正交频分多路复用技术在通信领域已经被广泛应用,本文将其应用于电力线通信并根据速率最大化准则,提出基于模拟退火遗传算法的功率分配方案,可进一步提高通信信道的利用率。

OFDM (orthogonal frequency division multiplexer)

正交频分多路复用技术,[港]正交多任务分频技术

Orthotropic Frequency Division and Multi-Carrier CDMA Technology;

正交频分复用(OFDM)和多载波CDMA技术

Research on Adaptive Technology Based on Orthogonal Frequency Division Multiplexing;

基于正交频分复用的自适应技术研究

On Synchronization in Orthogonal Frequency Division Multiplexing Systems;

正交频分复用系统中的同步技术研究

Research on Synchronization in OFDM System;

正交频分复用系统中同步技术的研究

On OFDM System and Key Technologies;

正交频分复用系统及其关键技术研究

Researches on Performance for Pre-Equalized Orthogonal Frequency Division Multiplexing Wireless Communication Systems;

预均衡正交频分多路复用系统性能研究

Proportional Fair Schedule Algorithms in Orthogonal Frequency Division Multiplexing System

正交频分多路复用系统中的比例公平调度算法

Orthogonal frequency division multiplexing technique and its application in wireless network;

正交频分复用技术及其在无线网络中的应用

Application research on O-OFDM for optical networks

光正交频分复用技术在光网络中的应用研究

Principles,applications and development of optical orthogonal frequency division multiplexing technology

光正交频分复用技术的原理、应用与发展

Research on Key Technologies for OFDM Mobile Communication Systems;

正交频分复用（OFDM）移动通信系统关键技术的研究

The Research on Orthogonal Frequency Division Multiplexing Technique in WideBand Wireless Network;

宽带无线网络中的正交频分复用技术研究

The Study of UWA Communication Technology Based-on Orthogonal Frequency Division Multiplexing;

基于正交频分复用的水声通信技术研究

The Research on the OFDM for the Power Line Communication;

低压电力线通信中的正交频分复用技术研究

Research on Channel Estimation Techniques of OFDM Communication Systems;

正交频分复用系统中的信道估计技术研究

Researches on New Techniques of Signal Optimization in OFDM System;

正交频分复用系统信号优化设计技术研究

Research on the Peak-to-Average Power Ratio Reduction Techniques for OFDM Systems

正交频分复用系统中峰均比抑制技术研究