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本文介绍了QAM调制、解调和判决原理,讨论了QAM的误码率性能,并在SystemView下对QAM调制、解调系统进行了仿真,观察并分析了原始输入信号、调制信号、解调信号、星座图以及QAM信号的功率谱图。-QAM modulation, demodulation and sentencing principle, the QAM BER performance, and right under the SystemView QAM modulation, demodulation system f
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实现AWGN信道16QAM调制、解调及误码率分析-AWGN channel to achieve 16QAM modulation, demodulation and BER Performance Analysis
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摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向,交频分复用
OFDM)是一种无线环境下的高速传输技术,它对高速列车控制信息传输中卞要受到的由于多
径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和
基本原理,然后在计算机上用M atlal〕对其性能进行了仿真,仿真中将OFDM与传统的单载波
调制方式—i1,交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较,最后分析了一者的仿真结果.
-Abstract: Based
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利用SIMULINK 来实现16QAM的仿真,并分析QAM的系统性能。-16QAM using SIMULINK to realize the simulation, and analysis of system performance QAM.
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《Matlab与通信仿真》--数字调制篇--分析R-QAM或G-QAM的性能(信道任选)-" Matlab simulation and communication" - Digital Modulation articles- Analysis of R-QAM or the performance of G-QAM (optional channel)
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摘 要:本文分析了在限幅噪声和高斯噪声环境下,在HFC 网中混合传输AM/ OFDM信号时的误
码特性,并与单载波AM/ QAM系统进行比较,结果表明OFDM系统由于多个子通道的稀释作用,其
抗限幅噪声性能比单载波系统好。
关键词:正交频分复用 HFC 网 限幅噪声 误码率-Abstract :Theoretical analysis is presented for the BER performance of hybrid AM/ OFDM system in the pres2
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采用16QAM调制方式对一串二进制信息进行基带调制,并分析其功率谱,在AWGN信道上进行传输,并解调,最后对其误比特(BER)性能加以分析。-Using 16QAM modulation methods on a string of binary information in the baseband modulation, and analyze the power spectrum, in the AWGN channel for transmission, and demodulation
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基于已知特性信道的QAM系统的仿真和性能分析-Based on the known characteristics of the QAM channel system simulation and performance analysis
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相位噪声的建模分析,单通道建模和仿真,主要参考文献为《effects of LO phase and amplitude imbalances and phase noise on M-QAM transceiver performance》-Phase noise modeling analysis, single channel, the main references is 《effects of LO phase and amplitude imbalances and phase no
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ofdm qam modulation ber performance measure and analysis
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通过matlab仿真分析了QAM 调制方式在AWGN信道下的误比特性能-By matlab simulation analysis of QAM modulation in AWGN channel BER performance
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tA scheme of format conversion optical 16-ary quadrature amplitude modulation (16QAM) toquadrature phase shift keying (QPSK) signal based on cascaded four-wave mixing (FWM) in semiconduc-tor optical amplifiers (SOAs) is proposed. Theoretical analysis
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采用16-QAM的OFDM系统的BER性能仿真分析-BER performance simulation analysis using 16-QAM in OFDM system
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MMA用于64qam均衡,已经调试成功,源信号通过程序自动产生,包含了误码率等性能分析-MMA for 64 qam equilibrium, have been debug successful, the source signal is automatically generated by the program, includes the bit error rate performance analysis, etc
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基于随机共振系统对FSK,PSK以及QAM信号的检测与性能分析-Detection and Performance Analysis of FSK, PSK and QAM Signals Based on Random Resonance System
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结合理论课讲解基于Matlab建立不同信道模型:高斯信道、Rayleigh信道,Recian信道及多径衰落信道模型;
给出QAM/GMSK调制方式下在上述信道模型下的误码率性能分析,分析比较两种调制方式的优缺点;
分析信道参数、信噪比对误码率性能的影响; (Based on Matlab, we construct different channel models: Gaussian channel, Rayleigh channel, Rec
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