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Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #1 Software Benchmarking Results V. Husson.

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Presentation on theme: "Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #1 Software Benchmarking Results V. Husson."— Presentation transcript:

1 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #1 Software Benchmarking Results V. Husson

2 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #2 Benchmark Report Card (Orbit Comparisons)

3 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #3 Benchmark Report Card (Residual and Correction Comparisons)

4 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #4 Benchmark Report Card (SINEX File Comparisons)

5 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #5 Orbit Definitions Orbit A - Nominal Model (Initial orbit, NOTHING adjusted during the run) Orbit B - Fixed EOP and Station Coordinates (Iterated orbit, ONLY orbit adjustment!) Orbit C - Final Orbit (ALL adjusted: Orbit, Station Positions, Biases, EOP)

6 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #6 Summary of Solutions

7 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #7 Radial Comparisons (Orbit A & B) CRL-CSR Orbit B Orbit A IAAK-CSR NERC-CSRNASDA-CSR JCET-CSR AUSLIG-CSR

8 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #8 Radial Comparisons (Orbit A & B)

9 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #9 GEODYN Radial Analysis (JCET vs GEOS)

10 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #10 Radial Comparisons (Orbit C)

11 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #11 Radial Comparisons (Orbit C)

12 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #12 Radial Comparisons (Orbit C)

13 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #13 Radial Discontinuities (Orbit C)

14 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #14 Radial Discontinuities (Orbit B)

15 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #15 Radial Discontinuities (Orbit A)

16 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #16 Residual Comparisons

17 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #17 Residual Comparisons (Orbit A)

18 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #18 Residual Analysis of 1 st Pass (Orbit A)

19 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #19 GEODYN Residual Analysis JCET - ASIGEOS - ASI A B C Orbit JCET - GEOS

20 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #20 GEODYN Residual Analysis (Midnight Crossing)

21 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #21 NASDA Residual (Orbit B) Large residuals on 1st 3 normal points on Nov 1

22 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #22 Residual Comparison (Orbit B)

23 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #23 Residual Comparison (NERC)

24 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #24 Refraction Analysis

25 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #25 Refraction Analysis

26 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #26 NASDA/IAAK Refraction Analysis

27 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #27 NASDA Refraction Analysis

28 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #28 IAAK Refraction Analysis

29 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #29 Refraction Analysis of 1 st pass

30 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #30 CSR Refraction Analysis

31 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #31 CSR Refraction Analysis

32 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #32 GEODYN Refraction Analysis

33 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #33 DGFI Refraction Analysis

34 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #34 Center of Mass Corrections Everyone is using.251 meters for LAGEOS JCET CoM corrections in their V4.cor files are in error (these files state a CoM of.252 vs.251m, but.251m was actually used) Software changes may be necessary to accommodate system dependent LAGEOS CoM corrections.

35 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #35 Relativity Correction

36 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #36 Relativity Corrections

37 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #37 Relativity Corrections

38 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #38 Relativity Corrections

39 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #39 SINEX File Comparisons (parameters and unknowns)

40 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #40 Range Bias Comparison (Orbit C)

41 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #41 Height Comparisons (Orbit C)

42 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #42 Height Comparisons (Orbit C) with Range Bias removed

43 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #43 Lessons learned Need to specify minimum resolution of parameters to be compared Need clearer definition of model standards

44 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #44 Future Software Modifications that may require benchmark testing Station dependent CoM corrections Use Bias File for apriori Biases Mutli-color data capability Weight data based on #obs/bin

45 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #45 Recommendations QC your own files before you submit your solution Report all range corrections in the residual file to at least 0.000001 meter (i.e. 0.001 millimeters) Need to verify if any problems found in the benchmark will impact the corresponding POS/EOP solution(s) Put benchmarking presentations on-line, ASAP Distribute finding to ACs not in attendance, ASAP In the POS/EOP pilot project, submit at least 1 solution with the.orb and.res files to ensure problems identified in the benchmark do not “sneak” back in.

46 Honeywell Technology Solutions Inc AWG Meeting, Washington DC, Oct 3-4, 2002 Benchmarking #46 What’s next What analysis should be performed that has not yet been performed? Establish pass/fail criteria for report card Test for time-of-flight and epoch rounding/truncation issues Do we need to modify our modeling requirements? Should we test and isolate any particular types of models (e.g. range bias estimation, along track acceleration) Should we expand the dataset to include LAGEOS-2 and/or Etalon, other satellites? SP3 format for Orbits (are we ready?) Separate Orbits and Software Benchmarking? Document and distribute results List action items Anything else??

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