def up(self,x):
        """
        Upsample and filter the signal
        """
        y = self.M*ssd.upsample(x,self.M)
        y = signal.lfilter(self.b,self.a,y)
        return y
def up(self,x):
        """
        Upsample and filter the signal
        """
        y = self.M*ssd.upsample(x,self.M)
        y = signal.lfilter(self.b,self.a,y)
        return y
def up ( self , x ) : y = self . M * ssd . upsample ( x , self . M ) y = signal . lfilter ( self . b , self . a , y ) return y
Upsample and filter the signal
Upsample and filter the signal