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0403435刘艳
- MATLAB实现功率谱估计的程序.采用现代谱估计方法,最大熵谱法,Brug法和Levinson法-MATLAB power spectrum estimation procedures. The introduction of modern spectral estimation methods, maximum entropy spectrum, Brug law and Levinson Law
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.
estimate-powers-spectrum
- 根据维纳-辛钦定理,广义平稳随机过程的功率谱是自相关函数值。但对于许多实际应用问题,可资利用的观测数据往往是有限的,所以要准确计算功率谱通常是不可能的。比较合理的目标是设法得出功率谱的一个好的估计值,这就是功率谱估计。本文通过分析经典功率谱估计和现代功率谱估计的多种方法,比较各种方法的优缺点。-According to Wiener- Xinqin theorem, wide-sense stationary random process is the power spectrum of the
direct-method
- 这是基于周期图改进的welch的功率谱估计,这种方法是在经典周期图的基础上改进而来的,效果很不错 -This is based on the improved welch periodogram power spectrum estimation, this method is based on the classical periodogram improvement comes, the effect is very good
Welch-(1)
- 这是基于周期图改进的welch的功率谱估计,这种方法是在经典周期图的基础上改进而来的,效果很不错 -This is based on the improved welch periodogram power spectrum estimation, this method is based on the classical periodogram improvement comes, the effect is very good
gonglvpu
- 利用周期图法、Welch平均估计等方法估计信号的功率谱-Using the periodogram, Welch estimation method to estimate the average signal power spectrum
0403435刘艳
- MATLAB实现功率谱估计的程序.采用现代谱估计方法,最大熵谱法,Brug法和Levinson法-MATLAB power spectrum estimation procedures. The introduction of modern spectral estimation methods, maximum entropy spectrum, Brug law and Levinson Law
PSD
- 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.
classical-spectural-estimation
- 经典的功率谱估计方法,包含自相关法,周期图法-The classic power spectrum estimation methods, including autocorrelation, periodogram
spectrum-estimation
- 功率谱估计是利用有限长的数据估计信号的功率谱,广泛应用于各个领域。功率谱估计主要分为经典谱估计与现代谱估计。常用的经典谱估计方法有周期图法,相关法,周期图的改进法,常用的现代谱估计方法有最大熵谱估计,AR模型,MA模型,ARMA模型。经典谱估计适用于长序列的信号,其主要缺陷是描述功率谱波动的数字特征方差性能差,频率分辨率低,现代谱估计适用于短序列的信号,旨在改善谱估计的分辨率,并将其应用于实际地震资料的谱分析。 -Power spectrum estimation is the use of