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平均周期图法和平滑平均周期图法估计功率谱
从经典功率谱估计周期图法原理入手,从理论上分析了其存在的局限性,借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力进行实验!!
用周期图法和welch法分别估计了一下信号的功率谱密度。采样频率200Hz,时间序列长度2048,FFT数据点数2048。其中welch法使用hanning窗,窗口长度600.-Average periodogram and periodogram smoothing method to est
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利用周期图法对序列进行功率谱估计,数据窗采用汉明窗-Sequences using periodogram method for power spectrum estimation, the data window with Hamming window
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计算太阳黑子的活动周期,分别利用周期图法,Lenvinson-Durbin法和Burg法求得其功率谱,并画出曲线,观察得到活动周期-Calculation of sunspot activity cycle, namely the use of periodogram, Lenvinson-Durbin and Burg obtained the power spectrum, and draw curve, observation cycle
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matlab编写基于循环平稳谱估计的认知无线电频谱感程序。-matlab to prepare a smooth spectrum estimation based on the cycle of the radio spectrum of the cognitive sense of the procedure.
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平稳随机信号谱估计
使用两种谱估计方法将信号和噪声分离:周期图法谱估计和Levinson-Durbin递推法谱估计。其中每种方法又细分为自编程序和使用matlab自带函数两种。- Random signal model is estimated using two methods of spectrum signal and noise separation: periodogram spectral estimation method and Levinson-Durbin r
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从经典功率谱估计周期图法原理入手,从理论上分析了其存在的局限性,借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力,进行实验仿真,比较不同的窗函数,不同的数据长度对Welch法谱估计质量的影响,并分析了造成这些影响的原因。-The paper mainly introduces the principles of Periodogram method of classical PSD estimation,analyzes the deficiency of Perio
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才用周期图法预测hurst指数。参数sequence为时间序列,isplot说明是否需要画图。-Have used the periodogram forecast hurst index. Parameter sequence for the time series, isplot explain the need for drawing.
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基于Welch算法的经典功率谱估计的Matlab分析,从经典功率谱估计周期图法原理入手,借助Welch 算法对其进行修正-Matlab Simulation Analysis of Power Spectrum Estimation Based on Welch Method,int roduces the principles of Periodogram method of classical PSD estimation,and makes use of Welch to amend Pe
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matlab periodogram function using various windows
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经典谱估计方法的MATLAB分析,主要是周期图法及其改进-MATLAB classical analysis of spectral estimation method, the main improvement is the periodogram and
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convolution codes using matlab
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用MATLAB仿真现代谱估计中的周期图算法-Simulation with MATLAB in the periodogram spectral estimation algorithm
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BT法、周期图法、以及Levinson-Durbin迭代算法的matlab代码,并且比较三者性能-BT method, periodogram, and the Levinson-Durbin iteration algorithm matlab code, and compare the three performance
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MATLAB code for non parametric spectrum estimation. Bartlett, welch, correlogram , periodogram
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原始周期图法求功率谱估计的matlab程序-The original periodogram seek power spectrum estimation matlab program
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这是一个matlab周期图法与BT算法的仿真代码-This is the periodogram and BT algorithms in a Matlab simulation code
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周期图法估计平稳随机信号功率谱的MATLAB实现
周期图法估计平稳随机信号功率谱的MATLAB实现-Periodogram method to estimate the power spectrum of the stationary random signal MATLAB implementation
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this is a periodogram matlab code
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pERIODOGRAM MATLAB SIMULINK
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基于matlab的功率谱估计实验,对比分析了功率谱估计的相关法、周期图法和welch法-Matlab based power spectrum estimation experiments, comparative analysis of power spectral estimation of the correlation method, periodogram and Welch method
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