detection and estimation theory lecture 5
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Detection and Estimation Theory Lecture 5 Mojtaba Soltanalian- UIC msol@uic.edu http://msol.people.uic.edu Based on ECE 531 Slides- 2011 (Prof. Natasha Devroye) The Cramer-Rao Lower Bound ---Last Lecture the CRLB give a lower bound on the


  1. Detection and Estimation Theory Lecture 5 Mojtaba Soltanalian- UIC msol@uic.edu http://msol.people.uic.edu Based on ECE 531 Slides- 2011 (Prof. Natasha Devroye)

  2. The Cramer-Rao Lower Bound ---Last Lecture • the CRLB give a lower bound on the variance of ANY UNBIASED estimator • does NOT guarantee bound can be obtained • IF find an estimator whose variance = CRLB then it’s MVUE

  3. The Cramer-Rao Lower Bound

  4. The Cramer-Rao Lower Bound

  5. The Cramer-Rao Lower Bound Basis for CRLB

  6. The Cramer-Rao Lower Bound

  7. The Cramer-Rao Lower Bound

  8. The Cramer-Rao Lower Bound

  9. The Cramer-Rao Lower Bound

  10. The Cramer-Rao Lower Bound

  11. The Cramer-Rao Lower Bound --- On the Regularity Condition * *

  12. The Cramer-Rao Lower Bound --- Proof (Scalar Case)

  13. The Cramer-Rao Lower Bound --- Proof (Scalar Case) CRLB

  14. The Cramer-Rao Lower Bound --- Proof (Scalar Case) CRLB

  15. CRLB examples See example 3.4

  16. CRLB and Estimator Efficiency

  17. Fisher Information

  18. CRLB Derivation for Signals+WGN

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