def filter(self,x):
        """
        Filter the signal using second-order sections
        """
        y = signal.sosfilt(self.sos,x)
        return y
def filter(self,x):
        """
        Filter the signal using second-order sections
        """
        y = signal.sosfilt(self.sos,x)
        return y
def filter ( self , x ) : y = signal . sosfilt ( self . sos , x ) return y
Filter the signal using second-order sections
Filter the signal using second - order sections