Noise immunity has been studied of an adaptive receiver with a nonlinear filter synthesized for fast detection and recognition of pseudo-noise signals (PNS) built on recurrent pseudorandom maximum-period sequences. It has been shown that the presence at the receiver input of some PNS, different from the desired one, may be considered as signal-like interferences (SLI) whose suppression improves the desired PNS reception. A method has been proposed to suppress SLI under action of a powerful harmonic interference and the white Gaussian noise.
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