power spectral estimation

基本解释

But it can be shown better if the signal has been filtered by modern power spectral estimation.
採用現代功率譜估計技術，對測量信號処理後的傚果比較理想。
FCG, as a power spectral estimation of electrocardiogram, is a new technique of heart inspection.
頻譜心電圖（FCG），即心電信號的功率譜估計圖，是一種心髒檢查新技術。
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.
提出了閾值檢測、降噪処理和功率譜估計三種分析和処理水中氣泡激光散射信號的方法。