FIELD: radar systems. SUBSTANCE: interrogator has transmitter 1, circulators 2,3, summation-differential direction pattern antenna 4, high-frequency summation-differential bridge 5, receiver 6, detecting summation-differential bridge 7, threshold power device 8, ratio threshold device 9, controllable attenuator 10, control unit 11. EFFECT: enhanced resolution, enhanced measurement accuracy. 1 dwg
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Authors
Dates
1995-02-27—Published
1989-01-31—Filed