Digital Signal Processing Practice Test 5

1. If we consider a sequence of FIR filer with system function H_m(z)=A_m(z), then what is the definition of the polynomial A_m(z)?

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

3. The basic elements of a flow graph are branches and nodes.

4. If we reverse the directions of all branch transmittances and interchange the input and output in the flow graph, then the resulting structure is called as ______________

5. What is the 2's complement of (1100)₂?

6. A single input-single output system and its transpose have identical impulse responses and hence the same input-output relationship.

7. What is the expression for SQNR which can be expressed in a logarithmic scale?

8. 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?

9. The direct form realization is often called a transversal or tapped-delay-line filter.

10. What is the system function of all-zero filter or comb filter?