RADIO ENGINEER TRAINING DEVICE Russian patent published in 2008 - IPC G09B23/18 

FIELD: training.

SUBSTANCE: device consists of radar station model (1), the first (2), the second (14), the third (15), the fourth (16) and the fifth (32) high frequency generators, modulator (3), the first (4), the second (6) and the third (12) registers, scan generator (5), heterodyne (7), the first (8) and the second (24) mixers, the first (9) and the second (25) amplifiers of intermediate frequency, the first (10), the second (38) and the third (39) amplitude detectors, a video amplifier (11), CRT (13), the first(17) and the second (27) summators, the first (18), the second (19), the third (20),the fourth (21), the fifth (22) and the sixth (33) switches, the first(23) and the second (26) phase changers at 90°, a multiplication unit (28), the first(29), the second (26) and the third (37) narrow band filters, key (31), the first (34) and the second (35) adjusted phase changers, sub tractor unit (40), filter (41) of lower frequencies, the first (42) and the second (45) inverse amplifiers, phase detector (43) and controlling element (44).

EFFECT: demonstration of a complete eliminating of false signals (interferences), received through an image channel by means of a complex (amplitude-phase) system of reception paths identification.

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