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Advanced Methods in VLBI Data Analysis - Lecture 6, October 21, 2010

Explore Conventional Model & Least Squares Methods applied in Geodetic VLBI data analysis with functional residuals, bias, and weighted root mean squares.

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Advanced Methods in VLBI Data Analysis - Lecture 6, October 21, 2010

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Presentation Transcript

  1. Geodetic VLBI Lecture 6 21 October 2010

  2. Lecture plan 1. Analysis of VLBI data 2. Conventional model for group delays 3. The least squares method and its modifications used for analysis of VLBI data 21 October 2010

  3. Functional

  4. Post-fit residuals with probability 0.9973

  5. Post-fit residuals with probability 0.9973

  6. Bias

  7. Weighted least squares

  8. Weighted least squares

  9. Weighted root mean squares (wrms)

  10. The least squares method

  11. The method of maximum likelyhood

  12. The method of maximum likelyhood

  13. Covariance function

  14. Covariance function

  15. Troposphere fluctuations CONT’08

  16. Clock offset fluctuations CONT’08

  17. CONT’05Intensive campaign

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