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Description: 功率谱估计的应用范围很广，在各学科和应用领域中受到了极大的重视。在《现代信号处理》课程中讲述了经典谱估计和现代谱估计这两大类谱估计方法；经典谱估计是基于傅立叶变换的，虽然具有运算效率高的优点，但是频谱分辨率低同时旁瓣泄漏严重，对长序列有着良好的估计。为了克服经典谱估计的缺点，人们开展了对现代谱估计方法的研究。现代谱估计是以随机过程的参数模型为基础的，有最大似然估计法、最大熵法、AR模型法、预测滤波器法。现代谱估计对短序列的估计精度高，同经典谱估计互为补充。在认真学习了现 代谱估计方法后，我选择了现代谱估计中的AR模型法的仿真作为题目。下面给出AR模型的相关理论和仿真实现。-Power Spectral Estimation of very extensive, in all disciplines and fields of application of a great deal of attention. The "modern signal processing" on the curriculum of classical and modern spectral estimation spectrum is estimated that the two types of spectrum estimation method; Classical spectrum estimation is based on Fourier transform, although high computing efficiency advantages, but also low-resolution spectrum Sidelobe serious leakage of long sequences have good estimates. In order to overcome the classic shortcomings of the spectrum estimation, there have been a pair of modern spectral estimation methods. Modern spectral estimation is the random process model parameters based on the maximum likelihood estimation, maximum entropy method, AR model, forecast filter. Spe
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Description: 使用维纳滤波器对信号进行处理，得到噪声状况下的信号，这个滤波器是数字信号处理中非常经典的一个。代码里还提供了维纳的AR参数估计-Wiener filter to use signal processing, noise signal conditions, this filter is digital signal processing in a very classic. There is also a code of the AR Wiener Parameter Estimation
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Author: 矫渊培 |
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Description: 仿真AR（2）模型的LMS自适应滤波器。
-simulation AR (2) Model LMS adaptive filter.
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Author: 陈金立 |
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Description: This paper deals with the problem of speech enhancement when a
corrupted speech signal with an additive colored noise is the only
information available for processing. Kalman filtering is known as
an effective speech enhancement technique, in which speech signal
is usually modeled as autoregressive (AR) process and represented
in the state-space domain.-This paper deals with the problem of speech enhancement when a corrupted speech signal wit h an additive colored noise is the only informat ion available for processing. Kalman filterin g is known as an effective speech enhancement te chnique. in which speech signal is usually modeled as aut oregressive (AR) process and represented in th e state-space domain.
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Author: rifer |
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Description: 这是用matlab编写的一个kalman滤波器，数字信号实验维纳滤波，估计AR模型参数-using Matlab is prepared by a Kalman filter, digital signal experimental Wiener filtering, AR model parameters estimated
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Author: 胡迪 |
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Description: matlab编程，数字信号实验维纳滤波，估计AR模型参数，具有良好的滤波效果。
-Matlab programming, digital signal experimental Wiener filter, it is estimated that the AR model parameters, has good filtering effect.
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Size: 1024 |
Author: 胡迪 |
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Description: 设计一维纳滤波器,估计AR模型参数以及无码率-1 Wiener filter design, the estimated AR model parameters as well as bit-rate
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Size: 1024 |
Author: 刘鹏飞 |
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Description: AR滤波器的标准程序，非常好用，可以试验下-AR filter is standard procedure, very easy to use, you can test under
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Size: 1024 |
Author: lilei |
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Description: To convert ar filter to complex cepstrum -To convert ar filter to complex cepstrum CC
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Author: gaurav |
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Description: uses partial correlation function and filter to implement an AR model
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Author: Bob |
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Description: 设计一维纳滤波器。产生三组观测数据，并估计它们的AR模型参数，分析信号长度和模型阶次对实验结果的影响-Wiener filter design. Have three sets of observational data, and estimated AR model parameters of their analysis of the signal length and model order on the impact of experimental results
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Author: 王健 |
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Description: 有关数字信号处理的相关滤波器，AR模型等-Of the relevant digital signal processing filter, AR model
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Author: 刘华杰 |
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Description: AR 滤波特性描述
很好用的 大家可以-AR model filter
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Author: 欧阳凯 |
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Description: dsp算法40例,包括fft、滤波器、谱运算等
1． 将模拟滤波器转变为数字滤波器。
2． 由得到幅频响应 。
3． 用Burg算法求AR模型的参数。
4． 由AR模型参数得到功率谱。
5． 用Levinson算法求解Yule-Walker方程以得到 阶AR模型的参数 。
6． 实现双线性Z变换。
7． 设计巴特沃斯模拟低通滤波器，求出转移函数 。
8． 设计切比雪夫I型模拟低通滤波器，求出转移函数 。
9． 直接由定义求 点复序列 的DFT 。
10．利用经典的Cooley-Tukey基2算法求复序列 的DFT 。
-dsp algorithms 40 cases, including the fft, filter, spectrum operations, etc.
1. Analog filters into digital filters.
2. Amplitude-frequency response by obtained.
3. Burg algorithm for AR model with the parameters of demand.
4. AR model parameters obtained from the power spectrum.
5. Levinson algorithm using Yule-Walker equations to get the first-order AR model
parameters.
6. The bilinear Z transform to achieve.
7. Design of Butterworth analog low-pass filter, find the transfer function.
8. Design of Chebyshev-I analog low-pass filter, find the transfer function.
9. Directly from the definition of point complex sequence of DFT.
10. The use of the classic Cooley-Tukey radix-2 algorithm is seeking re-sequence of DFT.
.......
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Author: jack |
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Description: 本程序利用自适应LMS算法实现FIR最佳维纳滤波器。可用于观察影响自适应LMS算法收敛性，收敛速度以及失调量的各种因素-This procedure using adaptive LMS algorithm is optimal FIR Wiener filter. Can be used to observe the impact of adaptive LMS algorithm convergence, convergence speed and the amount of imbalance in the various factors that
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Author: yunguangmei |
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Description: ua University, in 2002 publi
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Author: wibisono |
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Description: AR滤波器的代码，直接调用AR Filter即可运行-AR filter code can be run directly call the AR Filter
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Size: 1024 |
Author: Gary |
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Description: 基于卡尔曼算法的AR模型系数预测，利用卡尔曼滤波算法对AR模型的系数进行实时更新，可以观察到预测准确度有明显提高-Kalman algorithm based on AR model coefficients predicted using the Kalman filter AR model coefficients for real-time updates can be observed significantly improve prediction accuracy
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Size: 1024 |
Author: 月光下的路 |
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Description: AR滤波器滤除信号中的低频分量信号,实现降噪的目的(The AR filter filters out low-frequency component signals in the signal to achieve noise reduction.)
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Size: 3072 |
Author: 了悟12 |
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Description: AR-MED 滤波，可用于轴承故障诊断，齿轮故障诊断(AR-MED filter for bearings fault diagnosis)
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Author: 贺工 |
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