SUBSURFACE SOUNDING DEVICE Russian patent published in 2014 - IPC H03K19/00 G01S13/88 

FIELD: radio engineering, communication.

SUBSTANCE: subsurface sounding device includes a receiving-transmitting antenna, an antenna switch, a transmitter, a low-noise amplifier, a detector, an indicator unit, a synchronizer, two quadrators, two square-root generation units, two multipliers, an adder, a scale-of-two circuit, a digital metre of time interval duration and a data input unit, two Schmitt triggers, five coincidence circuits, four inverters, three D-triggers, a JK-trigger, a logic addition circuit, a scale-of-four circuit and a counter.

EFFECT: possible determination of length of a linear subsurface object that is contrast as to electromagnetic characteristics relative to containing space.

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