PROCESS OF DETECTION OF LIVE OBJECTS AND GEAR FOR ITS IMPLEMENTATION Russian patent published in 1997 - IPC

FIELD: radiolocation and detection of live men in obstructions and shelters. SUBSTANCE: gear for implementation of process has master generator, coupler, circulator, antenna device, phase detector and processing unit connected in series, amplifier, control circuit and phase inverter. It is inserted with pulse modulator placed between transmitter and reference oscillation generator and gating stage connected to pulse generator which second output is connected to pulse generator and which input is linked to control unit. Output of beat signal former is connected to processing unit through analog-to-digital converter. Two outputs of processing unit are connected to second and third inputs of control unit which first and second outputs are connected to first and second inputs of processing unit. Third, fourth and fifth outputs of control unit are connected correspondingly to indicator, pulse generator and control input of beat signal former. Beat signal former includes four phase-shifting networks shifting phase of reference oscillation through n/4, four phase detectors, four low frequency filters and four-channel switch. Outputs of each phase shifting network are connected through phase detector and low frequency filter to one of inputs of four-channel switch. Inputs of all phase shifting networks are tied up together and connected to output of receiver. Output of switch is connected to input of analog-to-digital converter and control input - to one of outputs of control unit. Processing unit includes storage, spectrum analyzer, comparator, analyzer of constant component coupled to other units. EFFECT: improved functional efficiency of process and gear. 8 cl, 4 dwg