FIELD: radio engineering. SUBSTANCE: adaptive signal detector can be used in mix of receiving radar, radio navigation and radio communication devices functioning under conditions of additive effect of non- stationary noise for detection of weak signals. Adaptive signal detector incorporates sampler 1, correlation storage circuit 2, second squarer 3, threshold unit 4, first squarer 5, first multiplier 6, adder 7, integrator 8, amplifier 9, former 10 of threshold level, converter 11, third squarer 12, second multiplier 13. EFFECT: raised effectiveness of detection of weak signals against background of additive nonstationary noise. 1 dwg
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