Wavelet transform possesses excellent characteristic of time frequency localization, and provides an effective measure for analysing signal causing unstable vibration.

小波变换具有很好的时域和频域局部化特性，为以非稳态振动为特征的信号提供了有效的分析手段。

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As a new technique of signal processing, wavelet analysis has excellent characteristics of time frequency localization and is suitable for analyzing time varying or transient signals.

作为一种日益获得广泛应用的信号处理新技术，小波分析具有良好的时频局域化特性，适应于时变和瞬变信号的分析。

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Joint time frequency analysis method is a powerful tool for study of this kind of signal.

联合时频分析的方法是研究这类信号的有力工具。

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The experts say you will see that with much increased frequency over time."

VOA: standard.2009.12.12

So, would it take, for example, the same amount of time as the frequency?

它需要，比如说,和频率一样的时间吗？

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It has to do with frequency ratios that we'll go in to a little bit next time.

它和频率比有关,下次我们再详细介绍

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Click schedule on the left, click add and add the time and frequency you want the photos uploaded.

ENGADGET: pt's How-to Fridays: Turn your PC in to an automatic "moblog" picture posting machine!

Indeed, every other similar investment has proved that journey time and frequency improvements equal passenger growth that can be calculated.

ECONOMIST: The wealth effect

During that time the frequency of cerebral palsy cases has been flat.

FORBES: Moore's Law