1) Describe Dirac comb or ideal sampling function. What is its Fourier Transform?
2) Write down the interpolation formula for reconstruction of the original signal g(t) from the sequence of sample values {g(n/2W)}.
3) Define and prove sampling theorem.
4) State Quadrature sampling.
5) What do you mean by aliasing?
6) Write down the expression for aliasing error and the bound for aliasing error.
7) What do you mean by PCM?
8) Describe quantizing process.
9) What do you mean by idle channel noise?
10) What do you mean by prediction error?
11) Describe delta modulation.
12) Explain adaptive delta modulation.