Title :
Nonlinear recursive smoothing filters and their use for noise floor estimation
Author_Institution :
Dept. of Eng., Cambridge Univ., UK
Abstract :
Nonlinear recursive (NLR) digital smoothing filters are introduced and their use for spectrum noise floor estimation described. NLR filters outperform linear filters, achieving comparable results to median filters, and are very simple to implement.
Keywords :
digital filters; filtering and prediction theory; noise; signal processing; smoothing circuits; spectral analysis; digital smoothing filters; nonlinear estimator; nonlinear filters; recursive smoothing filters; spectrum noise floor estimation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19921251