METHOD OF CALIBRATING SEISMOACOUSTIC TRANSDUCERS Russian patent published in 2016 - IPC G01N29/04 G01N29/30 G01M7/02 G01H9/00 

FIELD: geophysics.

SUBSTANCE: invention relates to geophysical, particularly seismoacoustic, methods of analysis and can be used for calibration characteristics of seismoacoustic transducers. Method uses a monolithic block with two small diameter holes symmetrically from centre ona diagonal. Installing two - reference and calibrated - seismic-acoustic transducers on monolithic block with centres of working surfaces on opening. Controlling acoustic contact of reference and calibrated transducers with monolithic block. Determining directly offset working surfaces of reference and calibrated seismic acoustic transducers separately through openings interference linear displacement gauges. Linear displacement measuring instruments used are multibeam optical interferometers, which are separated from monolithic block, a radiation source mounted on monolithic block. Oscillations are excited so that displacement of working surfaces of reference and calibrated seismic-acoustic converters are identical in same given moment in time. Measuring electrical signals from outputs of reference and calibrated seismic-acoustic transducers, based on which calibration is carried out.

EFFECT: high reliability of calibration of seismic acoustic transducers.

1 cl, 1 dwg