FIELD: electricity.
SUBSTANCE: shock pick-up includes piezoelectric working medium and recording system. The working medium is made of piezoceramics with cohesion of 3-0 with maximum values of voltage index g33. At that the pick-up has an additional a resonating piezoelectric cell for calibration, which surface is coupled to the working medium surface.
EFFECT: increasing sensitivity of the piezoelectric pick-up at minimum weight, potential calibration and functional check in zero gravity conditions.
4 cl, 3 dwg, 1 tbl
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Authors
Dates
2014-11-20—Published
2013-05-27—Filed