1. It is not possible to construct a signal flow graph with both input and output in normal order
2. The number of butterflies in the mth stage in N/m
3. In- place computation requires storage of only 2N data
4. Computation of a butterfly requires only one complex multiplication.
Computation of a butterfly requires only one complex multiplication.
1. 0
2. 1/(s+1)
3. 2/(s+1)
4. 2/(s+3)
1/(s+1)
1. √3
2. 2/√3
3. 1
4. √3/2
2/√3
1. x(t)= Ac m(t) cos(2πfc t)
2. x(t)= Ac [1+m(t) ]cos(2πfc t)
3. x(t)= Ac cos(2πfc t)+Ac/4m(t) cos (2πfc t)
4. x(t)= Ac cos(2πfm t) cos (2πfc t)+Acsin(2πfm t) sin(2πfc t)
x(t)= Ac [1+m(t) ]cos(2πfc t)
1. 10 w
2. 18 w
3. 20 w
4. 28 w
18 w
1. 500
2. 5
3. 0.014
4. 0.002
0.002
1. 1/30π
2. 1/60 π
3. 1/120 π
4. 1/240 π
1/120 π
1. Maximum at x=e
2. Minimum at x=e
3. Maximum at x=e -1
4. Minimum at x=e -1
Maximum at x=e -1
1. 1/16
2. 1/8
3. 1/4
4. 5/16
1/16
1. 1/2,-(1/2) and 1
2. 1/2,1/2 and -1
3. 1/2,-1 and -3/2
4. 1/2,-1 and 3/2
1/2,1/2 and -1