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用LMS算法实现自适应均衡器的MATLAB程序-LMS algorithm using adaptive equalizer in the MATLAB program
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仿真LMS均衡器 采用三径叠加信道,PSK调制,并计算误码性能,LMS equalizer simulation using three-path channel superimposed, PSK modulation, and calculate the BER
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研究利用RLS算法自适应均衡器纠正存在加性白噪声的信道的畸变。讨论特征值扩散度 对学习曲线的影响。 比较RLS算法和LMS算法在不同信噪比情况下的学习曲线。
-RLS algorithm using adaptive equalizer to correct the existence of additive white noise distortion channel. Eigenvalue discussion diffusivity impact on the learning cur
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Implementation of LMS-based Equalizer in MATLAB
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本程序是在MATLAB中对LMS均衡算法的通信仿真。-This procedure is in the MATLAB algorithm of LMS balanced communication simulation.
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均衡技术是克服码间干扰(Inter-Symbol Interference,ISI)的有效措施,由于信道特性的随机性与时变性,实际中消除码间干扰最常用的是自适应均衡器。本文对基于最小均方(Least Mean Squares,LMS)算法和递推最小二乘(Recursive Least Squares,RLS)算法的自适应均衡器进行仿真研究,分析了信道特性与设计参数对自适应均衡器的收敛速度与稳态性能的影响。
-Equalization technique is to overcome inte
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1.原始信号A,通过信道受噪声污染后的信号q,然后分别经过均衡器ZF(MMSE)得到信号U,可以画出U的分布图 2.分别应用LMS,SATO,CMA算法得到U。(其中包括最佳延迟、均方误差的计算)所有结果均以图像形式显示。-1. The original signal A, subject to noise pollution through the channel after the signal q, and then through the equalizer, respectively
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在MATLAB中,使用LMS算法实现自适应均衡器,通过改变收敛因子和滤波器阶数就可以仿真均衡器的收敛速度和精度。-In MATLAB, use the LMS algorithm adaptive equalizer by changing the order of the convergence factor and the filter can simulate the equalizer on the convergence speed and accuracy.
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一个MATLAB程序,用以实现基于最小均方误差算法的自适应均衡器,通常可以直接应用在数字通信系统中-A MATLAB program used to implement an LMS adaptive equalizer which can be directly applied in the digital communication systems
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。本文研究了SC-FDE系统中的最小均方误差判决反馈
均衡(MMSE-DFE)和基于LMS准则的自适应均衡算法,
MATLAB仿真表明,由于LMS自适应均衡算法能有效的跟
踪信道变化并更新均衡器的抽头系数,其性能略优于最小
均方误差判决反馈均衡算法。-. In this paper, the SC-FDE system, the minimum mean square error decision feedback
Equalization (MMSE-DFE) and
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LMS算法的自适应均衡器的MATLAB实现-LMS algorithm in MATLAB to achieve adaptive equalizer
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Inter-symbol interference if not taken care off may
cause severe error at the receiver and the detection of signal becomes
difficult. An adaptive equalizer employing Recursive Least Squares
algorithm can be a good compensation for the ISI probl
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在DSP实现自适应均衡器的程序,LMS算法,对于学习MATLAB有一定用处。-Adaptive equalizer in the DSP program, LMS algorithm, MATLAB has some use for learning.
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介绍了一种基于最小均方算法(LMS 算法) 的自适应均衡器的原理与结构,针对用硬件实现LMS算法的自适应均衡器存在的诸多缺点,运运用MATLAB 工具对各种结构形式的自适应均衡器在不同信道模型下的收敛速度与与精度进行仿真,并介绍了该仿真程序源码。 可直接使用。
-Based on the principle and the structure of the adaptive equalizer in the least mean square algorithm (LMS algorithm
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初学matlab,按照help指导写的一个16qam信号lms均衡的simulink。-Beginner matlab, written in accordance with the help guidance a 16qam signal lms equalizer simulink.
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1、系统仅处于训练状态。训练序列为2cos(2π×f1×n/fs),
干扰为sin(2π×f2×n/fs);序列长度为100个样点。
其中n=0…99,f1=1kHz,f2=2kHz,fs=8kHz。
2、采用LMS算法,均衡器输入为训练序列加上干扰,均衡器阶数为21阶,步长因子β=0.01。
3、在Matlab中编写浮点LMS算法,绘制均衡器的输出波形,并与训练序列进行对比。
-1, the system only in the training status. The t
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this file explain how to implement LMS EQUALIZER in matlab with different noisy channel environment.
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lms算法在matlab上的实现,详细的解释了lms均衡器算法的原理-Lms algorithm in matlab on the realization of a detailed explanation of the principle of lms equalizer algorithm
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LMS 算法 用simulink 搭建(LMS algorithm sim with simulink)
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QPSK/BPSK在多径信道下经过LMS均衡器之后的误码率曲线(QPSK/BPSK BER curve after LMS equalizer in multipath channel)
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