linear convolution

Replies

• 

  rahullfo

  one more query..
  CAn anyone provide me with the derivation of the expression of digital butterworth filter.Its relli urgent .thNXXX TC
• 

  rahullfo

  plzzz help guysssss
• 

  sweet76

  Find the linear convolution of
  a(n) ={3,2,1,4,1,2,3,2,1,} and b(n)={1,1}
  
  it will be done by overlap save method
  Ls=length of a(n)=9
  m=length of b(n)=2
  Ls is segmented to blocks of l points
  l=4
  l+m-1=4+2-1=5
  m-1=no. of zeros 2 b put in the 1st set of x(n)=2-1=1
  a1(n)={0,3,2,1,4}
  a2(n)={4,1,2,3,2}[take d last value 4m d above set as m-1 =1..if m-1=2 den we would have taken 2 datas]
  a3(n)={2,1,0,0,0}
  
  b(n)={1,1}
  
  y1(n)=x1(n) circular conv. b(n)
  ={4,3,5,3,5}
  y2(n)=x2(n) circular conv b(n)
  ={6,5,3,5,5}
  y3(n)={2,3,1,0,0}
  
  y(n)={3,5,3,5,5,3,5,5,3,1,0,0}
• 

  gundushashank

  plz help me to solve dis..
  find linear conv of x=[1,2,3,4] y=[4,5,6,7]