...和观测信号特点,将所提出的两种时频域滤波算法引入到了飞机结构亚临界响应分析的颤振边界预测研究当中,即通过联合时频分析(JTFA)与时频域滤波提取有效信号再进行模态参数提取与颤振边界预测,取得了预期的效果。
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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。
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。
Joint time Frequency Analysis (JTFA) describes and determines how the frequencies of non stationary signals change over time. It offers a better understanding of nature of the signal.
时-频联合信号分析法能描述非稳态信号的频率如何随时间而变化，故它能使我们更好地理解信号的本质。
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