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。
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.
针对此问题，采用了输差法进行泄漏的检测与报警、瞬态负压波法与稳态相关时延分析法相结合进行泄漏点的实时定位技术。
It is based on the measuring the difference between the input and autput of the pipeline and by using the combination of the WSV and the SRDA to locate the leakage.
提出用于建立过滤层非稳态过滤压力损失模型的微观分析法和宏观分析法新概念。
A new concept of the microcosmic analysis method and the macroscopic analysis method are proposed to investigate the pressure drop of the dynamic filtration of filters.
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。
The newly emerged JTFA (Joint Time-Frequency Analysis) method is a powerful tool in analyzing time-varying non-stationary signals.
本文讨论了电阻式湿度传感器测水分的原理，并用稳态电流电荷分析法分析了探头的设置。
In this paper, the theory of a resistance method humidity sensor is discussed. The probes are analysised with charge analytic method of steady current.
本文讨论了电阻式湿度传感器测水分的原理，并用稳态电流电荷分析法分析了探头的设置。
In this paper, the theory of a resistance method humidity sensor is discussed. The probes are analysised with charge analytic method of steady current.
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