quadrature amplitude modulation是什么意思

网络释义

用法例句

Two methods for the implementation of QAM IF output in DVB-C system;

DVB-C中实现正交幅度调制中频输出的两种方法

Simulation of digital sensor signal QAM technology based on communication channel

基于通信信道的数字传感信号正交幅度调制技术仿真研究

Design of wireless image transmission system based on QAM

基于正交幅度调制的无线图像传输系统设计

By using the moment-generating function-based analysis approach,we derive the average bit error rate for generalized hierarchical M-ary quadrature amplitude modulation(GH-MQAM) with maximal ratio combining(MRC) diversity reception in Weibull fading channels.

该文研究威布尔衰落信道上采用最大比合并分集接收的广义分级M进制正交幅度调制方案,使用矩生成函数方法推导其平均误比特率性能,并研究采用Padé近似技术来简化计算的方法。

The performance of the bit-error rate for M-ary quadrature amplitude modulation(MQAM) signals in orthogonal frequency-division multiplexing(OFDM) systems with generalized selection combining scheme based on signal-to-noise ratio(SNR-GSC)and bit log-likelihood ratio(BLLR-GSC) on correlated frequency-selective Nakagami-m fading channels have been investigated respectively.

研究频率选择性相关Nakagami-m衰落信道上基于信噪比广义选择合并(SNR-GSC)和基于比特对数似然比广义选择合并(BLLR-GSC)分集接收,采用M进制正交幅度调制方式的正交频分多路复用(MQAM-OFDM)系统的误比特率性能。

Bit error rate performance of M-ary quadrature amplitude modulation(MQAM) signals with generalized selection combining scheme based on signal-to-noise ratio(SNR-GSC)or bit log-likelihood ratio(BLLR-GSC) on correlated Nakagamim fading channels has been investigated.

研究相关Nakagami-m衰落信道上基于信噪比广义选择合并(SNR-GSC)和比特对数似然比广义选择合并(BLLR-GSC)天线分集的M进制正交幅度调制(MQAM)系统的误比特率性能。

Design of wireless image transmission system based on QAM

基于正交幅度调制的无线图像传输系统设计

Multimodulus blind equalization algorithm for cross quadrature amplitude modulation signals

适用于十字型正交幅度调制信号的多模盲均衡算法

Simulation of digital sensor signal QAM technology based on communication channel

基于通信信道的数字传感信号正交幅度调制技术仿真研究

Modulating pulse amplitude stability

调制脉冲幅度稳定度

automatic amplitude control

自动幅度控制自动调幅控制

A Novel Lower Complexity Quasi-orthogonal Unitary Space-Time Modulation

一种新的低复杂度准正交酉空时调制

Distortion Invariant Pattern Recognition Based on Amplitude-Modulated Phase-Only Filtering and Sliced Orthogonal Nonlinear Generalized Correlation

基于振幅调制纯相位滤波器和片状正交非线性广义相关的畸变不变识别

The Research and Design of Sine Dynamic Amplitude & Frequency Modulation Water Pressure Generator Device;

正弦动态调幅调频水压力发生装置研制

pulse amplitude code modulation telemetry

脉冲幅度编码调制遥测技术

inflation adjustment mechanism [licence fee]

按通胀幅度调整牌照费的机制

Simulation Study of Amplitude Modulation Signal Based on MATLAB

基于Matlab的幅度调制信号仿真研究

Research on Calibration for Error Vector Magnitued of Digital Modulation Signal

数字调制信号误差矢量幅度校准研究

Sine-wave AM-FM jamming

正弦波调幅调频干扰

colour multiplexing

彩色副载频正交调制

PMD Suppression by Synchronous Modulation Technique in WDM System

WDM系统中同步幅度调制技术对PMD的抑制

Nonsinusoidal Orthogonal Modulation in Time Domain Based on Orthogonal Pulses

基于正交脉冲的非正弦时域正交调制方法

Suppression of Residual Amplitude Modulation in Electro-Optical Phase Modulators Using Fabry-Perot Cavity;

利用Fabry-Perot腔抑制电光相位调制中的剩余幅度调制

Amplitude modulation in the call of passerine(Melopsittacus undulatus)

虎皮鹦鹉发声中的非线性现象——幅度调制