Sine wave signals purification

hello every one, need helps related signals filtering. I reguire original sine signals from this chunky signals using simulink or in matlab.

Answer 1

[Mark Sherstan]

Try a FFT on your data and use the results to reconstruct a clean signal. Examples are included here: https://www.mathworks.com/help/matlab/ref/fft.html Otherwise look into the filter design toolbox and design a filter with specifications related to your problem.