PNRF - What does PNRF stand for? The Free Dictionary
References in periodicals archive
They provide better performance than the PNRF for the two test sets.
At SNR between 5 and -5dB the PNRF_soft features and PNRF with modified soft thresholding algorithm (PNRF_mst) obtain better performance than other features.
Results showed that The PNRF (PNRF_sofl and PNRF_mst) features improved efficiently average recognition accuracy, especially at low SNRs level (-5 to 5dB).