The main analytical method of unsteady flow in pipelines includes frequency domain analysis and time domain analysis.
管道中非稳定流动的分析方法主要有频域法和时域法。
Fourier transformation in time domain and frequency domain is one of the main methods for modern railway signal detection.
时域分析和傅氏变换的频域分析方法是现代铁路信号检测的主要方法之一。
This method of separating the waveform in time domain into its main elements helps to find out what part of the spectrum in frequency domain caused by what related physical phenomena.
这种在时域里对主要原理进行拆分的方法有助于找出产生电磁干扰频段的干扰源。
Comparing with the conventional MC-CDMA system, the main difference is that this scheme performs the spreading in the time and frequency domain simultaneously.
与传统的MC - CD MA系统相比，其主要区别是该方案同时在时域和频域进行扩频。
The main research work includes analysis based on frequency domain sub-average energy interception method of damping identification method, and were tested and compared to the analysis;
本文的主要研究工作包括基于频域分析的分段截取平均能量法阻尼识别方法的研究，并进行了试验验证和比对分析；
In this paper, the reducer in the main drive system of the rolling mill has been diagnosed successfully by using vibration intensity method and frequency domain analysis method.
利用振动烈度和频域分析方法，对轧机主传动系统减速机进行了故障诊断。
The main characteristics of wavelet transform is that some character can well outstanding by transformation and it is an important way to study signal in time-frequency domain.
小波变换的主要特点是通过变换能够充分突出某些方面的特征，它是研究信号时-频分析的重要方法。
The main characteristic of the WT is the dual localization property in both time domain and frequency domain, which enables WT to be a high performance signal processing technique.
由于小波变换的时 -频局部化性质 ，使其成为信号处理的强有力工具。
The main characteristic of the WT is the dual localization property in both time domain and frequency domain, which enables WT to be a high performance signal processing technique.
由于小波变换的时 -频局部化性质 ，使其成为信号处理的强有力工具。
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