Power Spectrum Analysis is a common method for precise detection in mechanical fault diagnosis.
功率谱分析是机械故障诊断技术中精密诊断的常用方法。
Based on the analysis, a new method to detect carrier frequency of FSK signal named time-domain joint and modern power spectrum estimation is put forward.
对电力远动通道FSK信号进行了时域和频域分析，在此基础上提出了一种新的FSK信号载波频率测量方法—时域拼接结合现代功率谱估计的方法。
It is an effective and reliable method to analyze signals and diagnose gearbox by Hilbert power spectrum analysis.
作包络功率谱分析，能有效地对齿轮箱故障进行诊断分析。
Both frequency-power spectrum method and perimeter-area method are suitable for the analysis of fractal characteristics of sapling patch shape.
频谱法和周长-面积法都适用于分析幼树斑块形状的分形特征。
A new method, based on the analysis of frequency spectrum of instantaneous power, for the discrimination between internal fault currents and inrush currents in transformer is proposed.
在分析瞬时功率频谱特性的基础上，提出了一种基于瞬时功率的变压器励磁涌流和内部故障电流识别新方法。
Conclusion: it is suggested that the analysis of power spectrum of HRV be a sensitive noninvasive method to evaluate the function of cardiac autonomic nerve.
结论：HRV频谱分析对评价心脏植物神经功能是一种敏感而无创的检测指标。
This paper puts forward a "Spectrum Analysis" method to analyse the random power oscillation in power system caused by external disturbance, and sets up a complete digital model.
本文提出了用“频谱分析”的方法分析外部扰动引起的电力系统随机振荡，并建立了完整的数学模型。
Through the comparative analysis of the sand filling method and fractional dimension of power spectrum method, we can find that the great wave of the...
对粘结面采用灌砂法和功率谱法分维对比分析后认为，功率谱法的分维值及相应的截距可对粘结面大的波形起伏与粗糙点进行描述。
The power spectrum analysis based signal processing method was studied.
研究基于周期图谱分析的涡街信号处理方法。
The power spectrum analysis based signal processing method was studied.
研究基于周期图谱分析的涡街信号处理方法。
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