De-noising in Digital Signal Spectrum-coding Transmitting System with Wavelets

摘要

In this paper, a new method of denoising with sym4 wavelet under soft threshold rule is presented to remove noise in digital signal spectrum-coding transmitting system. From the simulation of the de-noising process, a conclusion can be drawn that this method is effective in real-time de-noising in digital signal spectrum-coding transmitting system.