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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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Journal DOI :
Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography
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Volume & Issues
Volume 4, Issue 2 - Dec 1986
Volume 4, Issue 1 - Jun 1986
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Computation of the Sea Surface Topography over the East China Sea
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 4, issue 1, 1986, Pages 1~12
An attempt to obtain equipotential surface over the East China Sea along the three SEASAT ground tracks are described. Total correction of sea surface heights above the reference ellipsoid provided by SEASAT GDR Altimeter data consists of ocean tides and surges, body tides, sea level pressure inverse barometer effect corrections for the present study. It was shown that three equipotential surface derived from the corrections were qualitatively in agreement with GEM l0B Model and SS3 Mean Sea Surface Model.
A Study on the Establishment of Precision Geodetic Network in Korea
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 4, issue 1, 1986, Pages 13~24
The objective of the present study is to establish the precision geodetic network in south Korea. The precision geodetic datum was determined based on the analysis and evaluation of the astronomic observation data observed by the National Geography Institute during the period of 1981∼1985. A proposal directions for the establishment of precision geodetic networks as well as review or analysis of current geodetic networks including the method of geodetic surveying in our country was completed.
A Study on Three-dimensional Coordinates Analysis Using Mirror Images
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 4, issue 1, 1986, Pages 25~36
Minimum three pairs of model are necessary to determine absolute coordinates of three-dimensional objects. This paper researches the method of analyzing three-dimensional coordinates of all sides of objects by photographing a pair of stereo model through the medium of mirror. An objective lies in improving the accuracy and the efficiency of mirror images method by introducing an error correction function for distortion of the mirror. Projected-onto-mirror points are transformed on the object plane through mirror plane equation. As the result, X-coordinates error is the largest and Y, Z-coordinates error represents about 1mm. Also, accuracy can be improved by introducing correction function for left and right mirror and correcting the distortion of mirror.
A Comparative Study on Simultaneous Adjustment of Geodetic Networks between with
Coordinates and with X, Y coordinates
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 4, issue 1, 1986, Pages 37~42
This paper deals with comparison of simultaneous geodetic networks between with geographical coordinates and with plane coordinates. The adjustment computation is performed by variation of coordinates. Provisional values for observation equations are computed by extended Guass mid-latitude formula using, official coordinates (
) in geographical network abjustment, measurements are reduced to plane by origin scale factor (＝1.0000) Bessel ellipsoid and unit weight are adopted, and geographical coordinates are projected by Guass conformal double projection. The processing results of a test-network by distances yield the average root mean square error of position 6ㆍ2cm for adjustment with
and 5.8cm for adjustment with X, Y. RMSE of discrepancy between two methods is 1.7cm. This result conform to required accracy.
A Stuby on Improvement of the Accuracy of the Digital Terrain Models for Efficient Land Use
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 4, issue 1, 1986, Pages 43~48
To improve the accuracy of the interpolation point of the digital terrain models, this paper compared the methods of terrain data acquisition and the equations of the curved surface
Analysis of Three Dimensional Position Using Unit Models in Aerial Photogrammetry
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 4, issue 1, 1986, Pages 49~57
Block adjustment procedures are usually classified into three groups according to the smallest units ; the bundle, the model, or the strip. In this paper, three dimensional analysis using a unit model in aerial photogrammetry is studied, and error distibutions are anayzed concerning the control patterns.
A Study on the Interpolation of DTM Applying Moving Average and Linear Prediction Method
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 4, issue 1, 1986, Pages 58~71
A Digital Terrain Model (DTM) consists of two components;one is sampling of the terrain imformation, and the other is interpolation. The present study aims at the investigation of the accuracy and efficiency of Moving Average and Linear Prediction interpolation methods by numerical experiment. Basic input data are the elerations in square grid which procured by photogrammetry, and the accuracy of each interpolation is investigated on different grid size, terrain type and pattern of reference points.
A Study on the Contouring Method According to the Change of Curvature
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 4, issue 1, 1986, Pages 72~81
This study is about the experiments and analyses of Adaptive Grid Contouring Method that determines the number of contour points according to the change of curvature. As a result, it is presented that 10~20m grid spacings are suitable for contouring on map scales of 1 : 2, 500 and that the larger the mean slope, the smaller the suitable grid spacing for contouring.