A laser Doppler vibrometer which measures noncontact vibration frequencies and amplitudes at distances up to 20 meters in the 10 Hz-10 KHz range is described. Sensitivities from .1 mm/s to 1 mm/s are well matched to the needs of power plant alternaltors maintenance programs.
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(2025-6-4)
水煮电吹风
Kao
唠叨的大门
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Criminology34
无极微光
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渡人舟
学术文献互助
YifanWang
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潇洒的惋清
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乌鱼
skearthy
Anonymous
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