power spectral estimation

基本解释

But it can be shown better if the signal has been filtered by modern power spectral estimation.
采用现代功率谱估计技术，对测量信号处理后的效果比较理想。
FCG, as a power spectral estimation of electrocardiogram, is a new technique of heart inspection.
频谱心电图（FCG），即心电信号的功率谱估计图，是一种心脏检查新技术。
Three methods for analyzing and processing the laser scattering signal of bubbles in water, the threshold detection, noise elimination processing and power spectral estimation, are put forward.
提出了阈值检测、降噪处理和功率谱估计三种分析和处理水中气泡激光散射信号的方法。