Filtering, Detrending, and Windowing of a Signal

Zero-phase bandpass digital filter with detrending and windowing

Process raw data with the following:-

-zero-phase bandpass digital filtering

-removing the straight-fit line from the data (detrending)

-windowing with tukey window

function Result=Filter_Detrend_Window(Sig,fs,fc1,fc2,orderh,orderl,taper)

Input:

Sig: input signal of size (N,n). N is signal length. n is the number of channels

fs: sampling frequency

fc1,fc2: filter cutoff frequencies for highpass and lowpass filters

orderh,orderl: filter orders for highpass and lowpass filters

taper: window taper ratio of tukey windowing (Typical 0.05)

Output:

Result: Processed signal of size (N,n)