QAM

  • 网络正交幅度调制(Quadrature Amplitude Modulation);正交调幅;正交振幅调制

QAMQAM

QAM

正交幅度调制(Quadrature Amplitude Modulation)

...的调制与解调,仿真实现了信息无失真的传输.其次,用正交幅度调制(QAM)方法实现了同时传输两路互不干扰的信号,并给出了各 …

正交调幅

平衡正交调幅QAM)。?设调制信号为 m(t), 其幅度为 1V,载波信号为,角频率为,各种调幅方式的已调波的表达式如下,t?sin?? …

正交振幅调制

正交振幅调制(qam):调制效率高,要求传送路子的信噪比高,合适有线电视电缆传道输送。在hdtv复用传道输送规范方面,usa、欧 …

调制器

供应数字调制器(QAM) 05/07 09:03供应GA数字调制器QAM 05/16 09:57 供应久一数字调制器 05/15 16:15 供应捷邦GB-8200Q…

正交调幅调制

...制(QPSK);数字有线电视系统(DVB-C)采用正交调幅调制(QAM);数字地面开路电视

1
The binary data bit of OFDM is modulated on the corresponding subcarrier by PSK or QAM. OFDM系统中二进制数据比特以PSK或QAM等调制方式调制到相应的子载波上。
2
QAM at a fixed point-to-point digital microwave systems in the wider application, it has a very high frequency spectrum utilization. QAM在固定的点对点数字微波系统中应用较广泛,它具有很高的频谱利用率。
3
VLSI implementation of an image-reject filter for initial demodulator circuit used in QAM receiver chip for digital TV presented. 提出一种用于接收数字电视信号的QAM解调芯片中,初始解调电路的镜像抑制滤波器的VLSI实现方法。
4
The frequency weeping algorithm and decision-directed of reduced constellation (RC-DD) algorithm are together used in QAM carrier recovery. 提出将扫频算法与简化星座图算法(RC-DD)相结合应用于QAM载波恢复中。
5
This paper is focusing on study of NDA nonlinear least-squares(NLS) carrier frequency offset estimation for QAM signals. 针对一类无数据辅助的非线性最小均方(NLS)载波频偏估计算法进行研究,讨论了其针对QAM信号的应用。
6
This paper proposes an architecture of a blind adaptive equalizer for digitized QAM receiver. 提出了一种适用于数字QAM接收机的自适应盲均衡器实现方案。
7
Due to no channel estimation required for rayleigh fading channel, quotient coded QAM has lower receiver complexity. 商分编码QAM由于无需信道估计和均衡,因此降低了在瑞利衰落信道解调的复杂性。
8
The convergence rate is analyzed theoretically and simulated with quadrature amplitude modulation(QAM) signals. 对该算法进行了理论分析,并针对正交幅度调制信号进行了仿真。
9
The modulation recognition technique of QAM signal by the constellation diagram is given in this paper. 给出了利用信号星座图的QAM信号调制方式识别技术。
10
A downhole telemetry system that transmits a burst-QAM uplink signal to the su*ce of the well is disclosed. 公开了一种*突发-QAM上行链路信号*到井表面的井下遥测*。
11
Such audits will be co-coordinated by the QAM and will be performed in accordance with this procedure. 该附加审查由质量保证经理(QAM)负责协调,并应遵照本程序要求执行。
12
In chapter 6, it introduces the algorithm of timing recovery and the carrier recovery algorithm in the application of high QAM modulation. 第六章主要介绍了定时同步算法及高阶调制中的载波同步算法。
13
We apply sparse signal processing to QAM blind equalization. 我们将稀疏信号处理应用于QAM盲均衡。
14
Based on MPEG-2 standard, the theory of head-end package processor in QAM modulator is interpreted. 以MPEG-2标准为基础,阐述了QAM调制器前端包处理器的原理。
15
My paper is to design the burst mode 64 QAM demodulator. 本论文是对突发性数据业务的突发模式64QAM解调器进行设计。
16
Study of QAM Digital Synchronous Demodulation Algorithm and Its Realization QAM数字同步解调的算法研究与实现
17
Simulation of A Dual Mode Blind Equalization Algorithm Suitable for High-Order QAM Signals 适用于高阶QAM信号的双模式盲均衡算法及仿真
18
Design of an Interpolator Used in QAM Demodulation 一种用于QAM解调的内插滤波器的设计
19
Implementation of a blind equalizer for digital QAM receiver 一种用于数字QAM接收机的盲均衡器实现
20
Design and Simulation of a Full Digital QAM Demodulation System 全数字QAM解调系统的设计与仿真
21
The Multi-stage Blind Phase Estimation Algorithms for High Order QAM Signals and the Simulations of their Performances 高阶QAM信号的多级盲相位估计方法及其性能仿真
22
Implementation of Soft Value Computation in QAM System that Impacts the Performance of Iterative Decoder 影响迭代译码器的QAM软值计算的实现
23
Analysis of Nonlinear Transformation in Frequency Offset Estimation for QAM Signals QAM载波频偏估计的非线性变换分析
24
Method to improve the performance of blind carrier phase acquisition algorithms for high order QAM signals 对高阶QAM信号盲载波相位捕获算法的一种改进方法
25
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
26
Study of Carrier Recovery Algorithm in QAM MODEM System QAM调制解调系统中载波恢复算法的研究
27
Test Principle for QAM Modulation Signal and Analysis of Measurement Uncertainty QAM调制信号测试原理和测量不确定度分析
28
All-digitized Implementation of QAM Modulation and Demodulation QAM调制与解调的全数字实现
29
Cyclic Cumulants Based Carrier Phase Estimation Algorithm for QAM Signals 基于循环累积量的QAM信号载波相位估计算法
30
An Adaptive QAM Modulation System with STBC Precoding and Covariance Feedback 基于协方差反馈和空时分组码预编码的自适应QAM调制