Narrow-band Rejection Filter for Suppression of Harmonic Concentrated Interference on the Basis of Discrete Fourier Transform

摘要

The problem of construction of a narrow-band rejection filter, which is based on direct and inverse discrete Fourier transform is considered. The improvement of the method is grounded theoretically due to using additional search procedure, which reduces the spectrum leakage effect. The results of testing the developed algorithm on real and model examples are given.