RADAR DEVICE FOR PREVENTION OF MOTOR VEHICLE COLLISIONS Russian patent published in 2002 - IPC

FIELD: radiolocation, applicable in systems designed for prevention of collisions of transport facilities, systems for upkeep of distance in a traffic flow. SUBSTANCE: the device has transmitting antenna 1, attenuator 2, transmitter 3, control signal conditioner 4, speed transducer 5, road condition transducer 6, receiver 7, receiving antenna 8, warning signal generation unit 9, detector 10, modulating code generator 11 radio- frequency oscillator 12, phase manipulator 13, power amplifier 14, local oscillator 15, first (16) and second (28) mixers, first (17) and second (29) intermediate-frequency amplifiers, correlator 18, controlled delay unit 19, first (20) and second (32) multiplexers, low-pass filter 21, extreme regulator 22, measuring instrument 23, first (24) and second (33) narrow-band filters, phase meter 25, actuating unit 26, first (27) and second (30) 90 deg. phase shifters, adder 31, amplitude detector 34 and gate 35. EFFECT: enhanced noise immunity and accuracy of measurement of distance to the advancing transport facilities by suppression of false signals (interference) received over the additional channels. 2 dwg