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PSD.rar
- 求功率谱估计常用的几种方法，包括周期图法，Welch 法，和AR模型法。,For power spectrum estimation commonly used in several ways, including periodogram, Welch law, and the AR model.
Periodogram-powe
- 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
Periodogram
- 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
p_classical
- 经典的功率谱估计，平均周期图法实现，已经加上了详细的注释-Classical power spectrum estimation, the average periodogram implementation, has added a detailed comment
approceesig
- Measuring Frequency Content in Signals I this section we will study some non parametric methods for spectrum estimation of a stochastic process. These methods are described in the literature. All methods are based on the Periodogram which is
chap08
- ex6_1 ～ ex6_3二项分布的随机数据的产生 ex6_4 ～ ex6_6通用函数计算概率密度函数值 ex6_7 ～ ex6_20常见分布的密度函数 ex6_21 ～ ex6_33随机变量的数字特征 ex6_34 采用periodogram函数来计算功率谱 ex6_35 利用FFT直接法计算上面噪声信号的功率谱 ex6_36 利用间接法重新计算上例中噪声信号的功率谱 ex6_37 采用tfe函数来进行系统的辨识，并与理想结果进行比较 ex6_38 在置信度为0
PSD_zqt
- 周期图法进行功率谱估计的函数，配套张旭东的课本习题-Periodogram power spectrum estimate of function, supporting the Textbook Exercise Zhang
PeriodogramwithMATLABcode
- Sinus estimation with 2D periodogram
smooth_spectrum
- 估算能量谱，并且能通过圆滑对多道地震数据计算平均能量谱。-Power spectrum estimate by smoothing the periodogram. For more than one trace provides the average spectrum followed by smoothing.
zqt
- MATLAB经典周期图法功率谱估计对信号进行功率谱估计。-MATLAB classical periodogram power spectrum estimate of the signal power spectrum estimation.
periodgram
- 经典谱估计-周期图法 实现正弦波加正态白噪声信号的谱估计-Classical spectrum estimation- the realization of periodogram normal sine wave plus white noise signal spectrum estimation
ProjetTS
- It is a signal processing project. It deals with the processing of electrocardiogram signals. The statement is in the enonce_presentation file. Several signal processing tools are used, as periodogram, correlogram. An algorithm to recover lost sample
PSD-estimation
- 使用平均周期图法，窗函数法，以及两种方法的混合来进行谱估计。文档中从理论到建模，并对这几种方法进行了比较。希望对学习数2有帮助。-Use the average periodogram method, window function method, as well as two methods to carry out a mixed spectrum estimation. Documents from theory to modeling, and these methods were co
Welch
- 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
Classical0
- 经典谱估计的几个经典算法，包括BT法，周期图法，改进周期图法等。。。MATLAB7.3上顺利编译通过-Classical spectral estimation of several classic algorithms, including the BT method, periodogram, modified periodogram method. . . MATLAB7.3 compile smoothly
mperiodogram.m
- matlab periodogram function using various windows
Power-Spectrum--simulation-in-Matlab
- 功率谱估计 经典的功率谱估计是将数据工作区外的未知数据假设为零，相当于数据加窗。经典功率谱估计方法分为：相关函数法、周期图法以及改进的周期图估计法即平均周期法和平滑周期图法； 1相关函数法 2周期图法 3平均周期图法和平滑平均周期图法-Power spectrum estimation is the classical power spectrum estimation of work zone data assumed to be zero outside the known
periodogram
- a usefull algorithm to smooth PERIODOGRAM of a selected signal.
Modified-periodogram
- (2). 采用汉明窗，分段长度L=32，用修正的周期图法进行谱估计，并分析数据长度N，分段长度M对谱估计结果的影响。-(2) using Hamming window, segment length L = 32, the modified periodogram method of spectral estimation and analysis of data length N, the length M of the sub-spectrum estimation results.
periodogram-and-BT-code
- 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