滤波器之SG滤波器:(python实现)

#%% SG_filter
def sgoal_filter(data,fs,window_size,order):

    if window_size == None:
        window_size = fs // 10       
    if window_size % 2 == 0 or window_size == 0: 
        window_size += 1
    
    arr = []
    step = int((window_size