Application of Multiple Lines of Position for Hydrography

Abstract

Conventional near-shore large-scale hydrographic surveys use only two lines of position (LOPs) for position fixing. Previous works have proved that accuracies needed to meet the present International Hydrographic Organization standards are frequently not achieved using conventional surveying methods. The concept of using multiple lines of position (MLOP) adjusted by the least squares method was described. Actual field measurements acquired in the autumn of 1984 were processed to ascertain the increase in accuracy using MLOP versus conventional two LOPs on each hydrographic position. Recommendations are to use a four-range fully automated position-fixing method to increase production, improve data quality, and have better control of the survey operations. Keywords: Hydrography, Hydrographic surveying, Multiple lines of position, Positional accuracy, and Standard error of position.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1986
Accession Number
ADA167884

Entities

People

  • Samuel P. De Bow Jr

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Ground and Sea Platforms
  • Space

DTIC Thesaurus Topics

  • Accuracy
  • Artificial Intelligence
  • Computer Programs
  • Computers
  • Control Systems
  • Data Acquisition
  • Data Analysis
  • Data Processing
  • Engineering
  • Errors
  • Geometry
  • Least Squares Method
  • Measurement
  • Plastic Explosives
  • Range Finding
  • Standards
  • Surveys

Readers

  • Geodesy
  • Oceanography.
  • Systems Analysis and Design