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Description: 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 processing" Introduction to the p.275 adaptive equalizer application schema. LMS algorithm with the adaptive equalizer, painted a square experimental error of convergence curve, given final design filter coefficients. Experimental a length of the training sequence to 500. Conduct 20 separate experiments, painted square error of the convergence curve. Given three step-value comparisons.
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Size: 4320 |
Author: lidong |
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Description: 变步长的LMS自适应滤波算法(matlab)-variable step LMS adaptive filter algorithm (Matlab)
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Size: 1408 |
Author: zzz |
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Description: 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 processing" Introduction to the p.275 adaptive equalizer application schema. LMS algorithm with the adaptive equalizer, painted a square experimental error of convergence curve, given final design filter coefficients. Experimental a length of the training sequence to 500. Conduct 20 separate experiments, painted square error of the convergence curve. Given three step-value comparisons.
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Size: 4096 |
Author: lidong |
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Description: Some algorithms of variable step size LMS adaptive filtering are studied．The VS—LMS algorithm is improved．
Another new non-linear function between肛and e(／ t)is established．The theoretic analysis and computer
simulation results show that this algorithm converges more quickly than the origina1．Furthermore，better antinoise
property is exhibited under Low—SNR environment than the original one．-variable step size of a LMS daptive filtering are studied. The VS-LMS algorithm is improved. Another new non-linear function between anus and e (/ t) is established. The theoretic analysis and computer simulatio n results show that this algorithm converges mo 're quickly than the origina1. Furthermore, better antinoise property is exhibited under L ow- SNR environment than the original one.
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Size: 3072 |
Author: 上将 |
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Description: 变步长的LMS自适应滤波算法(matlab)-variable step LMS adaptive filter algorithm (Matlab)
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Size: 1024 |
Author: zzz |
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Description: 1、本试验中未知系统采用25阶的FIR滤波器模拟。其通带边缘频率10kHz，阻带边缘频率22kHz，阻带衰减75dB，采样频率50 kHz。
2、自适应滤波器采用基本LMS算法，滤波器阶数为32，更新步长u为1/(4+xn*xn)。LMS自适应算法参见《现代信号处理》第192页。
已经在DSP2812上实现-1, the test system uses a 25 unknown band analog FIR filter. The passband edge frequency 10kHz, stopband edge frequency 22kHz, stopband attenuation 75dB, sampling frequency 50 kHz. 2, using the basic LMS adaptive filter algorithm, filter order of 32 to update the step size u for the 1/(4+ Xn* xn). LMS adaptive algorithm, see
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Size: 204800 |
Author: sunyee |
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Description: 在一种变步长LMS 算法的基础上，引进动量因式，提出了一种新的改进LMS 的算法。新算法整体性能优
于变步长LMS 算法以及LMS 算法。通过理论分析，比较了新的算法和变步长LMS 算法以及LMS 算法的收敛性
和稳态性，提出了一种设想以提高新算法的稳态性。仿真试验证明了新算法的优越性以及设想的在仿真条件下的正
确性。-In a variable step size LMS algorithm, based on the introduction of momentum factor, a new improvement of LMS algorithms. The overall performance of the new algorithm is superior to variable step size LMS algorithm and LMS algorithm. Through theoretical analysis, comparing the new algorithm and variable step size LMS algorithm and LMS algorithm convergence and steady-state, and proposes a new algorithm is envisaged to enhance the steady-state nature. Simulation tests proved the superiority of the new algorithm, as well as envisaged under the conditions in the simulation is correct.
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Size: 139264 |
Author: 王勇 |
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Description: 采用一种快速收敛变步长LMS（Least mean square ） 自适应最小均方算法matlab源程序，其中算法所做的工作是用FIR 滤波器的预测系统，对IIR系统进行预测，如果阶数越高越能逼近被预测系统。-Using a fast convergence of variable step size LMS (Least mean square) adaptive least mean square algorithm matlab source, one of algorithm is the work done by FIR prediction filter systems, prediction of IIR systems, if the higher order the more it can be prediction system approximation.
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Size: 1024 |
Author: 杨思科 |
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Description: 一种改进的变步长LMS自适应算法，论文不错！-An improved variable step-size LMS adaptive algorithm, thesis is true!
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Size: 58368 |
Author: 倪宁 |
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Description: 反正切函数的变步长算法,能实现反正切函数的变步长的仿真！-Arc tangent function, variable step-size algorithm
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Size: 1024 |
Author: amanda |
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Description: 一种改进的LMS算法及其在噪声对消中的应用。在分析传统定步长LMS算法和变步长LMS算法的基础上，提出了一种改进的变步长LMS算法。新算法利用瞬时误差绝对值三次方的指数形式和遗忘因子同时调整步长，更好的解决了收敛速度和稳态误差的矛盾-An improved LMS algorithm and its application in noise cancellation. In the analysis of the traditional fixed step and variable step size LMS algorithm based on LMS algorithm, a modified variable step size LMS algorithm. Absolute value of the new algorithm uses the instantaneous error and the form of cubic exponential forgetting factor while adjusting step, a better solution to the convergence speed and steady-state error of the contradictions
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Size: 1024 |
Author: dapeng |
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Description: 归一化LMS算法即NLMS算法源程序，自适应信号处理变步长经典算法-Normalized LMS algorithm for the NLMS algorithm source code, adaptive signal processing algorithm for variable step classical
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Size: 1024 |
Author: wanghaiyan |
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Description: 本算法是一种变步长的LMS算法，可以适用于智能算法等相关技术中-this algorithm is about a variable step-size LMS adaptive filter,and can be implied in samrt antenna
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Size: 1024 |
Author: 胡茂兵 |
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Description: 一种基于LMS的改进变步长算法及其应用，一种基于LMS的改进变步长算法及其应用-Improvements based on variable step size LMS algorithm and its application
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Size: 686080 |
Author: bs |
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Description: 一种变步长LMS算法及其Matlab仿真-A variable step size LMS algorithm and its Matlab simulation
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Size: 187392 |
Author: Tom |
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Description: 变步长LMS算法性能比较与仿真.希望有帮助-Variable step size LMS algorithm performance compared with the simulation. Hope that helps
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Size: 179200 |
Author: Tom |
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Description: 阐述了LMS算法中步长选择对结果收敛的影响-Described step LMS algorithm convergence results
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Size: 281600 |
Author: 可难 |
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Description: LMS 自适应滤波器的算法实现和性能仿真代码，比较特征值扩散度和步长参数对滤波结果的影响。(LMS adaptive filter algorithm implementation and performance simulation code, compare the eigenvalues, diffusion and step size parameters on the filtering results.)
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Size: 1024 |
Author: 许大大
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Description: 用MATLAB实现的LMS自适应滤波算法及变步长自适应算法程序。(LMS adaptive filtering algorithm and variable step size adaptive algorithm program implemented by MATLAB.)
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Size: 11264 |
Author: liuxiansh
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Description: 描述几种常见的变步长算法，步长因子与误差之间关系的曲线。(This paper describes several common variable step size algorithms, the curves of the relationship between the step factor and the error.)
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Size: 6144 |
Author: 程昱2180 |
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