FIELD: measurement equipment.
SUBSTANCE: wave recorder includes a piezoceramic emitter of sendings of carrier frequency, which are shaped by a heavy-pulse generator built on the basis of two SMD switches of complementary conductivity type and series resonance circuit. Acoustic sendings reflected from surface are received by reversible piezoceramic emitter, converted to digital form and processed by a microprocessor analyser provided with a correlation processing unit.
EFFECT: reduction of power consumption and weight and dimensional parameters of the instrument.
2 cl, 1 dwg
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