In this paper, a new method that is called joint time-frequency analysis (JTFA) is used to analyze the VFTO and PD signals of computer simulation, the effects are very good.
对模拟计算所得的信号，采用联合时频分析的方法取得了良好的效果。
参考来源 - 气体绝缘变电站瞬态信号的特征分析Angular velocity is selected to represent the vibration characteristic. The angular velocity signal is measured by using piezoelectric-jet-flow gyroscope during launching state in experiment, and then is processed by using Joint Time-Frequency Analysis algorithm.
因此，利用压电射流角速度陀螺仪测量定向器束在实际发射状态下的振动角速度，结合联合时频分析方法对振动角速度信号进行分析，以考察发射状态下不同时刻定向器束的振动频率。
参考来源 - 联合时频分析方法及其在发射装置实验中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
The newly emerged JTFA (Joint Time-Frequency Analysis) method is a powerful tool in analyzing time-varying non-stationary signals.
近年来才兴起的时-频联合分析法是分析处理频率随时间而改变的非稳态信号的强有力工具。
Joint time-frequency analysis is an important tool in seismic signal processing. With various realizations, this method is widely used in seismic prospecting.
联合时频分析是地震信号处理的一种重要分析工具，方法很多，应用广泛。
This paper USES joint time-frequency analysis (JTFA) for processing transient electromagnetic (TEM) field signals that have diffuse feature in geophysical exploration.
本文将联合时-频分析(JTFA)用于处理地球物理勘探中具有扩散性质的瞬变电磁场信号。
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