Digital Signal Processing Mock Test 5

10%

Question 1 of 10

1. If M and N are the orders of numerator and denominator of rational system function respectively, then how many additions are required in direct form-I realization of that IIR filter?

M+N+2

M+N+1

M+N-1

M+N

Question 1 of 10

Question 2 of 10

2. In the equation SQNR = 6.02b + 16.81 - \(20log_{10} ⁡\frac{R}{σ_x}\), for R = 6σ_x the equation becomes?

SQNR = 6.87b+1.25 dB

SQNR = 6.87b-1.55 dB

SQNR = 6.02b-1.25 dB

SQNR = 6.02b+1.25 dB

Question 2 of 10

Question 3 of 10

3. What is the condition to call a number λ is an Eigen value of F and a nonzero vector U is the associated Eigen vector?

F-λI=0

(F-λI)U=0

None of the mentioned

(F+λI)U=0

Question 3 of 10

Question 4 of 10

4. How many memory locations are used for storage of the output point of a sequence of length M in direct form realization?

None of the mentioned

M+1

M-1

Question 4 of 10

Question 5 of 10

5. If M and N are the orders of numerator and denominator of rational system function respectively, then how many multiplications are required in direct form-I realization of that IIR filter?

M+N+2

M+N+1

M+N

M+N-1

Question 5 of 10

Question 6 of 10

6. The output signal of a system is extracted at a sink node.

True

False

Question 6 of 10

Question 7 of 10

7. Due to non-uniform resolution, the corresponding error in a floating point representation is proportional to the number being quantized.

False

True

Question 7 of 10

Question 8 of 10

8. What is the condition of M, if the structure according to the direct form is as follows?

M odd

Doesn't depend on value of M

M even

All values of M

Question 8 of 10

Question 9 of 10

9. A closed form solution of the state space equations is easily obtained when the system matrix F is?

Diagonal

Transpose

Identity

Symmetric

Question 9 of 10

Question 10 of 10

10. What is the resolution to cover a range of numbers x_max-x_min with 'b' number of bits?

(x_max-x_min)/(2^b-1)

(x_max+x_min)/(2^b-1)

(x_max+x_min)/(2^b+1)

(x_max-x_min)/(2^b+1)

Question 10 of 10