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Acoustic filter for suppressing or attenuating the negative half cycle of an elastic wave, and elastic-wave generator comprising such a filter
Acoustic filter for suppressing or attenuating the negative half cycle of an elastic wave, and elastic-wave generator comprising such a filter
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机译:用于抑制或减弱弹性波的负半周期的声学滤波器以及包括这种滤波器的弹性波发生器
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摘要
An acoustic filter is provided for attenuating or suppressing the negative pressure half-waves of an elastic wave, comprising an enclosure containing a liquid whose saturating vapor tension is close to the atmospheric pressure. A pump causes the liquid to flow and a regulator fixes its temperature.
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