UNIT II SPECTRAL ESTIMATION

2 marks

1. Define spectrum estimation.

2. What are the applications of spectral estimation?

3. State nonparametric methods and mention its various methods.

4. Define periodogram.

5. Illustrate the filter bank interpretation of the periodogram.

Part B

1. Explain how the Periodogram is used for spectrum estimation and Describe the performance of the

Periodogram. (12)

2. Describe Barlett’s method and Welch method of spectrum estimation. (12)