QAM的例句大全

This paper introduces the architecture of DVB_C system and basic theory of QAM modulation and demodulation at first, analyzing and discussing two ways to implement the initial demodulator: simple sequencer and generating native carrier to demodulate.

本文介绍了DVB-C系统的结构和QAM调制解调的基本原理及其系统结构；分析比较了初始解调电路的两种实现方式：产生本地载波进行解调和简单序列解调。

QAM modem has been widely used in telephone channel, and researches now focus on the area of wide-band communication with high data rate.

QAM调制解调已经在较低数据速率的电话信道中得到成熟应用，目前的研究集中在高数据率的宽带通信领域，取得了丰富的成果，但同时也面临大量的技术难点有待解决。

Both Quadrature Amplitude Modulation ( QAM) and Low Density Parity Check Code ( LDPC) are widely used in such fields as wireless communication, wired television transmission and satellite communication.

正交幅度调制（QAM）和低密度奇偶校验码（LDPC）技术应用于很广泛的领域，如无线通信、有线电视传输、卫星通信等领域。

This issue was just from the project QAM modulator, which accords with the national digital television standard DVB-C.Reed-Solomon ( RS) code is one class of the important linear block codes in the error control area.

本课题正是来源于符合国家数字电视DVB C标准的QAM调制器项目。RS（Reed Solomon）码是差错控制领域中一类重要的线性分组码。

So the square timing algorithm is selected for timing recovery of QAM signals and cubic interpolation is chosen for timing error correction. 2. Study the phase estimation algorithm for multi-antenna high-order QAM signals.

因此本文在高阶QAM解调中利用平方定时同步算法进行符号定时，并采用立方内插滤波器进行定时误差纠正。2、研究了多天线信号的相位估计算法。

Realization of variable rate symbol timing recovery in QAM demodulator

可变速率符号定时恢复在QAM解调器中的实现

Design of Jitter-Free Timing Recovery Scheme with Fast Tracking Capability for High Speed QAM Signal over HF Channel

一种短波高速QAM信号快速无抖动码元同步方案的设计

For high order QAM ( Quadrature Amplitude Modulation) signals, the residual square error of CMA ( Constant Modulus Algorithm) is unacceptably large and the convergence rate of MMA ( Multi Modulus Algorithm) is too slow.

对于高阶QAM信号，常数模算法的收敛误差不为零，而多模算法的收敛速度慢。

At the same time, M-QAM mapping can be used in OFDM for improving data transportation speed.

同时在OFDM调制时可以采用M-QAM映射方式，提高短波跳频系统的信息传输速率。

The Influence by Carrier Phase Error in Digital Image m-QAM Transmission System

数字图象m-QAM传输系统载波相位误差分析

Application of 16-QAM in BOX system

先进的16-QAM线性无线调制传输技术在BOX系统中的应用

In this paper, the mathematical model of QAM two dimensional digital communication system based on the Codex 9600 modem is given.

本文参照Codex9600调制解调器建立QAM二维数字通信系统的数学模型。

An all-digital QAM initial demodulator architecture is presented for HDTV receiver chip.

本文设计了一种适用于 高清晰 数字电视(HDTV)接收芯片的全数字正交幅度(QAM)解调器结构.

Design and implementation of AHDL for 16 QAM modulator

16QAM调制器的AHDL语言设计与实现

The simulation is based on the QAM modulation pattern.

仿真是基于QAM的调制方式。

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

Application of QAM in the High Explosive Radio Telemetry Project

正交幅度调制（QAM）在高能爆炸无线电遥测系统中的应用

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

Analysis of the Effect and Compensation Method of Phase Noise in QAM System

相位噪声对QAM系统的影响及消除方法分析

Research of Improved QAM Techniques Application in PLC System

改进QAM调制技术在电力通信中的应用研究