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matlab周期图法
- 几种周期图法的实现
周期图法谱估计需要对信号序列“截断”或加窗处理
- 周期图法谱估计需要对信号序列“截断”或加窗处理,其结果是使估计功率谱密度为信号序列真实谱和窗谱的卷积,导致误差的产生。本程序分别设计了周期图法,最大熵功率谱估计和Welch法以及它们的对比,最大熵功率谱估计目的是最大限度地保留截断后丢失的“窗口”以外信号的信息,使估计谱的熵最大。-Periodogram spectrum estimation signal sequence needs to " cut off" or add the window handle, the
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
glp
- 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
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
T-est
- 分别使用周期图法以及改进的周期法实现谱估计-Using periodogram and improved method to achieve spectrum estimation cycle
sample5
- 不重叠加窗和重叠加窗周期图法得到的功率谱曲线-Non-overlapping windowed and overlapping windowed periodogram power spectral curve obtained
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
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
zhouqitu
- 利用周期图法对信号进行功率谱估计,源代码,有详细的注解,供参考-Periodogram method using the signal power spectrum estimation, source code, there are detailed notes for reference
MUSIC
- 功率谱估计中周期图方法的五种实现,详尽而且好用-Periodogram power spectrum estimation method of the five achievement, detailed and easy to use
spectrumEstimation
- 经典功率谱估计的matlab代码,包括周期图法,BT法和Welch法,便于对经典功率谱估计性能的理解。-Classical power spectrum estimation matlab code, including Periodogram, BT France, and Welch law, to facilitate the performance of classical power spectrum estimation understanding.
sumplot
- 这是现代数字信号处理课程中涉及到的实验,预测太阳黑子周期的,包含周期图法和burg法。-This is a modern digital signal processing courses related to the experiment, predicted sunspot cycle, including the periodogram method and burg method.
circle
- 周期图法功率谱估计,希望对大家能有所帮助。-Periodogram Power Spectral Estimation
daima
- 随机信号谱分析技术实现 随机信号谱估计及质量评价。 离散随机信号通过线性时不变系统时,系统所产生的响应。 功率谱估计的实现方法:自相关函数法、周期图法、Bartlett法、Welch法、MTM法、MUSIC法 -Random signal spectral analysis of random signal spectral estimation and quality evaluation. Discrete random signals through linear system
my_periodogram
- 周期图法进行谱估计,包括平均估计法,平均重叠估计法-periodogram
Burg_VC
- 介绍了现代功率谱估计中的B哩算法最大嫡谱估计的基本原理,并采用VC+十语言对 功率谱密度(鹅D)进行了仿真。同时比较了BI雌算法和经典谱估计中Bardett周期图法,针对Burg算法中的 模型阶次的选择进行了分析,提出了最佳模型阶次采用最终预报误差(I下E)为准则的结论。 -Introduction of modern power spectrum estimation algorithm B mile maximum entropy spectral estimation prin
classic_spectrum_estimation
- 经典谱估计,其中包括的算法包括周期图法,平滑法BT法等经典算法~-classic spectrum estimation,including period,smooth,and BT,algorithms~
周期图法
- 数字信号处理中经典谱估计的周期图法的MATLAB程序代码(Periodogram method for classical spectral estimation in digital signal processing)
