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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
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