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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

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
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
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
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