FIELD: radio engineering, communication.
SUBSTANCE: device for detecting moving ground objects from a seismic signal with standard false triggering probability comprises a seismic detector, an analogue-to-digital converter, a seismic signal processing circuit, a first path decision circuit, an adder, a noise generator, a broadband filter, a limiter, a narrow-band filter, an envelope detector, an integrator, a threshold device and an AND circuit.
EFFECT: high accuracy of detecting an intruder.
11 dwg
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