PANORAMIC RECEIVER Russian patent published in 1994 - IPC

FIELD: radio engineering. SUBSTANCE: panoramic receiver has first aerial 1, sweep generator 2, local oscillated 3, first mixer 4, first amplifier 5 of intermediate frequency, detector 6, scale-of-eight multiplier 7, first and second meters 8 and 9 of spectrum width, comparator 10, threshold unit 11, key 12, delay line 13, first multiplier 14, band-pass filters 15₁-15_n, amplitude detectors 16₁-16_n, video amplifiers 17₁-17_n, CRTs 18₁-18_n, second aerial 19, second mixer 20, second amplifier 21 of intermediate frequency, first and second 90 deg phase inverters 22 and 23, second and third multipliers 24 and 25, first and second low-pass filters 26 and 27, first and second squarers 28 and 29, adder 30, square root extracting unit 32, first single-polarity valve 32, first differentiating circuit 33, second single-polarity valve 34, (n+1)th amplitude detector 35, second differentiating circuit 36, count pulse generator 37, coincidence element 38, counter-divider 39 and register 40. EFFECT: expanded functional capabilities by way of accurate and single-valued direction finding of source of emission of phase-shifted signals. 3 dwg