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  • rahullfo

    rahullfo

    @rahullfo-5LvMX4 Apr 14, 2010

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

  • rahullfo

    rahullfo

    @rahullfo-5LvMX4 Apr 24, 2010

    plzzz help guysssss

  • sweet76

    sweet76

    @sweet76-RDQVOa Mar 10, 2011

    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

    gundushashank

    @gundushashank-Zc0vcb Aug 8, 2011

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