def dn(self,x):
        """
        Downsample and filter the signal
        """
        y = signal.lfilter(self.b,self.a,x)
        y = ssd.downsample(y,self.M)
        return y
def dn(self,x):
        """
        Downsample and filter the signal
        """
        y = signal.lfilter(self.b,self.a,x)
        y = ssd.downsample(y,self.M)
        return y
def dn ( self , x ) : y = signal . lfilter ( self . b , self . a , x ) y = ssd . downsample ( y , self . M ) return y
Downsample and filter the signal
Downsample and filter the signal