Denoising scheme for the training a feedforward neural net

Removing noise from noisy data to enhance prediction accuracy

please read this paper carefully to be able to understand the use of the algorithm.

https://www.researchgate.net/publication/344073280_Aircraft_Engines_Remaining_Useful_Life_Prediction_with_an_Adaptive_Denoising_Online_Sequential_Extreme_Learning_Machine
or
https://www.sciencedirect.com/science/article/abs/pii/S095219762030258X?dgcid=coauthor