# DSP Final exam - 25.6.2024 (Moodle)

## Multiple choice
1. What does Parselval theorem state
2. Which of the following defines angular frequency
3. Define parts of angular frequency definition (sampling frequency etc.)
4. Two signals = [1 2 3 4 5 6 7 8] and = [1 2 3 4 5 6 7 8 0 0 0 0 0 0 0 0] shall be given. What important difference do you observe when inspecting the FFT transforms of those signals?
5. Which of the following are FIR systems of 4th order (choices: diagrams, difference equations)
6. Identify when system is stable (poles lie in the unit circle)
7. What is the mathematical relationship between X(t) and Y(t)
8. What is the mathematical relationship between x(t) and y(t)

## Practical
1. Discrete Convolution
2. Analog Convolution (from old exams)
3. Define difference equation of system from a diagram
4. Define transfer function of the system
5. Calcualate zeroes and poles