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考虑一个线性自适应均衡器的原理方框图如《现代数字信号处理导论》p.275自适应均衡器应用示意图。用LMS算法实现这个自适应均衡器,画出一次实验的误差平方的收敛曲线,给出最后设计滤波器系数。一次实验的训练序列长度为500。进行20次独立实验,画出误差平方的收敛曲线。给出3个步长值的比较。-consider a linear adaptive equalizer block diagram as the principle of "modern digital signal process
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This scr ipt runs a simulation loop for either a linear or a DFE equalizer. It
uses the RLS algorithm to initially set the weights, then uses LMS thereafter to minimize execution time. It plots the equalized signal spectrum, then generates and plot
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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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是二阶RLS自适应均衡的实现,采用V—LOG编写而成,是从工程中截取的
可以直接应用-Second-order RLS adaptive equalizer is the realization of the use of V-LOG prepared is intercepted from the project can be applied directly
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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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用RLS算法实现自适应均衡器,画出一次实验的误差平方的收敛曲线,给出最后设计滤波器系数-RLS algorithm with adaptive equalizer, draw a single experiment squared error convergence curve of the final design of the filter coefficients are given
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lms 算法的详细说明 (基于LMS与RLS算法的自适应均衡器性能研究)-lms detailed descr iption of the algorithm (LMS and RLS algorithm based adaptive equalizer performance of)
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主要完成RLS自适应均衡,并且给出了与LMS算法的比较-Completed for RLS adaptive equalizer, and gives the comparison with the LMS algorithm
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自适应均衡器RLS算法的MATLAB代码,初学通信信号处理的有用-RLS algorithm for adaptive equalizer MATLAB code, useful for beginners communications signal processing
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采用RLS算法实现自适应均衡,还有Simulink图,效果较好-Adaptive equalizer using RLS algorithm, as well as Simulink diagram, the effect is good
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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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lms和rls自适应算法的均衡器的设计,包括原理和仿真结果-lms and rls adaptive equalizer algorithm design, including schematics and simulation results
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实现了自适应RLS均衡器的MSE仿真曲线-Adaptive RLS equalizer MSE simulation curve
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基于自适应均衡器的LMS算法和RLS算法的仿真分析。-Adaptive equalizer LMS algorithm and RLS algorithm simulation analysis.
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一个横向均衡器的MATLAB仿真,采用了自适应算法中的RLS算法-MATLAB simulation of a transverse equalizer, using the adaptive algorithm RLS algorithm
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本篇论文在对无线通信信道进行研究的基础上,阐述了信道产生码间干扰的原因以及无码间干扰的条件,介绍了奈奎斯特第一准则和时域均衡的原理。深入研究了均衡器的结构和自适应算法,在均衡器的结构中主要介绍了4种自适应均衡器结构即线性横向均衡器、线性格型均衡器、判决反馈均衡器和分数间隔均衡器,并对这几种结构进行了比较。对于系数调整算法主要介绍了常用的几种算法,包括LMS算法、RLS算法以及盲均衡常用的恒模算法(CMA),并讨论了它们各自的优缺点。最后选用线性横向均衡器结构与上述3种系数调整算法,利用MATLA
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图1为均衡带限信号所引起失真的横向或格型自适应均衡器(其中横向FIR系统长M=11), 系统输入是取值为±1的随机序列,其均值为零;参考信号;信道具有脉冲响应:
式中用来控制信道的幅度失真(W = 2~4, 如取W = 2.9,3.1,3.3,3.5等),且信道受到均值为零、方差(相当于信噪比为30dB)的高斯白噪声的干扰。试比较基于下列几种算法的自适应均衡器在不同信道失真、不同噪声干扰下的收敛情况(对应于每一种情况,在同一坐标下画出其学习曲线):
1)横向/格-梯型结构LMS算法
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将自适应信号处理中的RLS和LMS算法应用到信道均衡中去,用对比图和眼图研究性能。-Adaptive signal processing RLS and LMS algorithm is applied to channel equalization go, with comparison chart and eye research performance.
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硕士论文。主要包括:1、均衡器的设计原理 2、码间串扰与均衡原理 3、自适应均衡算法,主要介绍迫零算法、LMS算法、RLS算法 4、LMS自适应均衡器的Verilog设计 5、以上算法的matlab仿真-Master thesis. The main contents are as follows: 1, the design principle of the equalizer 2, intersymbol interference (ISI) and equilibrium principl
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RLS算法仿真程序源代码 用RLS算法实现自适应均衡器的MATLAB程序(Implementation of MATLAB program for adaptive equalizer with RLS algorithm)
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