An acoustic-emission pulse contains a very wide range of frequency components, extending up into the megacycle range.

声发射脉冲就包含一个很宽的频率组成范围，可扩展到兆赫。

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At the expense of increasing probability of misinformation (false alarm), weak signals in very wide range of frequency spectra may be resolved.

以增加错认(或虚惊)概率为代价，可以在很宽频谱范围内分辨微弱的信号。

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As the result shows, using the proposed detector, not only the range of frequency being captured can be widen, but it is easy to be implemented.

结果表明，这种鉴频器不但具有较大的频率捕捉范围，而且非常易于实现。

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HSS, by contrast, shoots tightly focused waves of ultrasound (meaning it exceeds the frequency range of human hearing).

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The company also provides a range of high-frequency design processes and capabilities that can be used in custom design.

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