1. 400 Hz
2. 600 Hz
3. 1200 Hz
4. 1400 Hz
1200 Hz
1. 1
2. -1
3. 0
4. π/2
1
1. 10 W
2. 18 W
3. 20 W
4. 28 W
18 W
1. 100
2. 300
3. 500
4. 1500
100
1. ½
2. 1/(3√2π)
3. 0
4. ¼
0
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 is N/m
3. In-place computation requires storage of only 2N node date
4. Computation of a butterfly requires only one complex multiplication
Computation of a butterfly requires only one complex multiplication
1. 0, 1-j3
2. 0, 1+j3
3. 1+j3, 5
4. 1-j3, 5
0, 1+j3
1. [α2 β2 γ2 δ2]
2. √α √β √γ √δ
3. [α+β β+δ δ+γ γ+α]
4. [δ β γ δ]
[α2 β2 γ2 δ2]
1. |z|>1
2. z|
3. (Real part of z)>0
4. (Real part of z)
(Real part of z)>0
1. 5 δ[n+2] + 3 δ[n]+4 δ[n-1]
2. 5 δ[n-2] + 3 δ[n]+4 δ[n+1]
3. 5 u[n+2] + 3 u[n]+4 u[n-1]
4. 5 δ[n-2] + 3 u[n]+4 u[n+1]
5 δ[n+2] + 3 δ[n]+4 δ[n-1]