Uncertainty management workshop
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Uncertainty Management Workshop. U.S HYDRO 2005 March 31, 2005. Summary. Presentation and demonstration TPE attribution Processing – QC/QA Available tools. Roll. Heave. Pitch. Yaw. θ v. Beamwidth. Range Sampling. Tx/Rx. GPS. VRU. Total Propagated Errors (TPE).

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Uncertainty Management Workshop

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Uncertainty management workshop

Uncertainty Management Workshop

U.S HYDRO 2005

March 31, 2005


Summary

Summary

Presentation and demonstration

  • TPE attribution

  • Processing – QC/QA

  • Available tools


Total propagated errors tpe

Roll

Heave

Pitch

Yaw

θv

Beamwidth

Range Sampling

Tx/Rx

GPS

VRU

Total Propagated Errors (TPE)

Each sounding attributed with vertical and horizontal errors, based on propagating sensor uncertainties through error model


Tpe calculation

TPE calculation

  • Available in some files

    (GSF, HIPS, SURF, HTF, ASCII)

  • Calculated in error model - requires suitable parameters

  • “Simple” model


Pfm data structure tpe

PFM data structure - TPE


Processing qc

Processing - QC

Interactive 3D Visualization

Area Based

Spatial Access

Statistical

Surface Estimation

A separation of work flow tasks into:

  • Interactive Processing Time

    • Minimize time requiring operator attention

  • Non-Interactive Time

    • Maximize Computing/Hardware Tasks


Fledermaus cube

Fledermaus - CUBE

  • Processing - QC/QA

  • Hybrid approach

    • Filter and surface

  • Simple loader

  • Output options

    • Clean soundings, attributed surface


Fledermaus and pfm direct

Fledermaus and PFM direct


Crosscheck tool

Crosscheck Tool

  • Point vs. surface analysis

  • Input:

    • Reference surface

    • Survey lines to analyze

  • Output:

    • Difference analysis statistics

    • IHO statistics

    • Histogram for detailed analysis


Any questions

Any Questions?


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