| 摘要 |
FIELD: measurement technology; manufacture of electret transducers. SUBSTANCE: device has series-connected electromechanical transducer, amplifier, peak detector, storage-retrieval unit, analog-to-digital converter, and indicator, as well as series-connected threshold unit and pulse shaping unit. Transducer is made in the form of capacitor system built up of metering and grounded electrodes with additional adjustable-aperture gate electrode placed inbetween. EFFECT: improved design. 4 cl |
