IJISTECH
Vol 3, No 1 (2019): November

Numerical Techniques for Underwater Topographic Measurement with GPS and Echo Sounder

Satoshi Iwakami (Earth Rise Co. Ltd., Okayama, Japan)
Masahiko Tamega (Earth Rise Co. Ltd., Okayama, Japan)
Shuji Jimbo (Graduate School of Natural Science, Okayama University, Okayama, Japan 3Specially)
Masaji Watanabe (Specially Appointed Professor, Okayama University, Okayama, Japan)

Article Info

Publish Date
30 Nov 2019

Abstract

This study demonstrates numerical techniques for a topographic study of a water area. Data obtained by a GPS unit and an echo sounder were combined, and three dimensional data were generated. A problem to find a surface that contains those data points was reformulated to a problem to find a piecewise linear continuous function defined over a triangular mesh. An iterative method led to an approximation of a fixed point. Those techniques are illustrated, and numerical examples are introduced.

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Journal Info
IJISTECH
Website

Abbrev

ijistech

Publisher

Sekolah Tinggi Ilmu Komputer Tunas Bangsa

Subject

Computer Science & IT Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Social Sciences

Description

IJISTECH (International Journal of Information System & Technology) has changed the number of publications to six times a year from volume 5, number 1, 2021 (June, August, October, December, February, and April) and has made modifications to administrative data on the URL LIPI Page: ...