A Study of Transformation of GPS Heights to the Taiwan Height System by the Robust Estimation
碩士 === 國立成功大學 === 測量工程學系 === 87 === In general,the height of a terrestrial point may be determined by the spirit leveling or the trigonometric methods. Both methods may take so much time and effort in the field work that the surveyors have the heavy loading. Due to the easy operation,using the GPS m...
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ndltd-TW-087NCKU03670172015-10-13T17:54:34Z http://ndltd.ncl.edu.tw/handle/35534179657844027542 A Study of Transformation of GPS Heights to the Taiwan Height System by the Robust Estimation 應用強鈍估計法轉換GPS高程至台灣地區高程系統之研究 游政恭 碩士 國立成功大學 測量工程學系 87 In general,the height of a terrestrial point may be determined by the spirit leveling or the trigonometric methods. Both methods may take so much time and effort in the field work that the surveyors have the heavy loading. Due to the easy operation,using the GPS measurements to obtain the heights has been widely put to use in recent years. The reference surface of the GPS ellipsoidal heights is different from that of the spirit leveling heights. To efficiently use the results of measurements by GPS,especially the height information,this research tries to use the geometric interpolation and the robust estimation to integrate GPS ellipsoidal heights into the present Taiwan height system. To discuss the practicability,the simulated networks and practical experiments are analyzed. It is shown that the accuracy of the transformed heights is ±3.8mm√K . Finally,the reference surface of the present Taiwan height system using the trigonometric height data and GPS data has been also determined. 尤瑞哲 1999 學位論文 ; thesis 55 zh-TW |
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碩士 === 國立成功大學 === 測量工程學系 === 87 === In general,the height of a terrestrial point may be determined by the spirit leveling or the trigonometric methods. Both methods may take so much time and effort in the field work that the surveyors have the heavy loading. Due to the easy operation,using the GPS measurements to obtain the heights has been widely put to use in recent years.
The reference surface of the GPS ellipsoidal heights is different from that of the spirit leveling heights. To efficiently use the results of measurements by GPS,especially the height information,this research tries to use the geometric interpolation and the robust estimation to integrate GPS ellipsoidal heights into the present Taiwan height system. To discuss the practicability,the simulated networks and practical experiments are analyzed. It is shown that the accuracy of the transformed heights is ±3.8mm√K . Finally,the reference surface of the present Taiwan height system using the trigonometric height data and GPS data has been also determined.
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尤瑞哲 |
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尤瑞哲 游政恭 |
author |
游政恭 |
spellingShingle |
游政恭 A Study of Transformation of GPS Heights to the Taiwan Height System by the Robust Estimation |
author_sort |
游政恭 |
title |
A Study of Transformation of GPS Heights to the Taiwan Height System by the Robust Estimation |
title_short |
A Study of Transformation of GPS Heights to the Taiwan Height System by the Robust Estimation |
title_full |
A Study of Transformation of GPS Heights to the Taiwan Height System by the Robust Estimation |
title_fullStr |
A Study of Transformation of GPS Heights to the Taiwan Height System by the Robust Estimation |
title_full_unstemmed |
A Study of Transformation of GPS Heights to the Taiwan Height System by the Robust Estimation |
title_sort |
study of transformation of gps heights to the taiwan height system by the robust estimation |
publishDate |
1999 |
url |
http://ndltd.ncl.edu.tw/handle/35534179657844027542 |
work_keys_str_mv |
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