ADAPTIVE DEVICE FOR BROADBAND SIGNAL SEARCH AND DELAY TRACING Russian patent published in 1995 - IPC

FIELD: radio communication engineering. SUBSTANCE: adaptive device for broadband signal search and delay tracing has spectrum-concentrated noise protective unit 1 with n parallel circuits built up of band filter 2, detector 3, switch 4, threshold element 5, and common adder 6, command decoder 7, correlator unit 8, maximum signal selecting unit 9, threshold unit 10, scanning unit 11, variable-ratio frequency dividers 12 and 13, copy generator 14, shift registers 15 and 16, reference-signal shaping unit 17, switch 18, time discriminator 19, m controlled amplifiers 20, adders 21,22, weight ratio shaping unit 23. EFFECT: improved noise immunity of device during broadband signal delay tracing in concentrated noise environment. 1 dwg