Q1. A Discrete Memory less Source produces 5 symbols with probabilities (0.4, 0.2, 0.2, 0.1, 0.1). Code the symbols by using Huffman coding and compute its efficiency and redundancy.
Q2. Describe about the relation among different entropies?
Q3. In brief illustrate the term BSC channel?
Q4. Define the term Mutual information. Prove all the properties of Mutual information?
Q5. Write detail notes on:
a) Thermal noise
b) Noise temperature
c) Noise figure.
d) Noise Spectral density
Q6. What do you mean by Noise bandwidth? Describe with a neat diagram?
Q7. What do you mean by narrowband noise? Describe the Quadrature representation of the Narrowband noise?
Q8. Describe the properties of the correlation?
Q9. State and prove the properties of the Power spectral density?