Journals / Konya Journal of Engineering Sciences / 2004 / Cilt: 19 Sayı: 1

Usability Of Interpolation Techniques For The Transformation From Ellipsoidal Height To Orthometric Height

ELİPSOİDAL YÜKSEKLİKLERİN ORTOMETRİK YÜKSEKLİĞE DÖNÜŞÜMÜNDE ENTERPOLASYON YÖNTEMLERİNİN KULLANILABİLİRLİĞİ

Pages
73–84
Publication Date
2004-03-01
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

We were studiedrelationship between obtained accuracy and surface fitting tecniques by analizing results obtained fromthree test areas.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Elipsoidal heights determined by GPS is different from orthometric heights used insurveying applications.
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Key Findings & Data:Therefore, elipsoidal height determined by GPS is transformed to orthometricheight.
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Conclusion & Impact:We were studiedrelationship between obtained accuracy and surface fitting tecniques by analizing results obtained fromthree test areas.
🔬Design:Survey & Empirical Study
📍Scope:Comprehensive Sample
⚙️Variables:Enterpolasyon · kollokasyon · multiquadratik

Abstract

Elipsoidal heights determined by GPS is different from orthometric heights used insurveying applications. Therefore, elipsoidal height determined by GPS is transformed to orthometricheight. It can be used several transformation methods to do this transformation. In this study, we usedfive surface fitting techniques which are Inverse Distance Weighted (IDW), Polinomal Regression,Multiquadratic interpolation, Least square collocation and Universal Kriging (UK) and eighteensubvariations which are related to these techniques in three different test areas. We were studiedrelationship between obtained accuracy and surface fitting tecniques by analizing results obtained fromthree test areas.

Özet

GPS ile belirlenen yükseklikler, elipsoidal yükseklikler olup, pratik haritacılıkta kullanılanortometrik yüksekliklerden farklıdır. Bu nedenle, GPS ile belirlenen elipsoidal yükseklikler ortometrikyüksekliğe dönüştürülür. Dönüşümde farklı yöntemler kullanılabilir. Bu çalışmada, üç ayrı testalanında, ağırlıklı ortalama, polinom yüzeyleri, multiquadratik enterpolasyon, kollokasyon ve universalkriging olmak üzere beş modelleme tekniği ve bu tekniklere ait 18 alt varyasyon kullanılmıştır. Testalanlarındaki ölçüler değerlendirilerek, elde edilen doğruluk ile modelleme tekniği arasındaki ilişkiaraştırılmıştır.

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Cite This Article

İNAL, C., YİĞİT, C. Ö. (2004). Usability Of Interpolation Techniques For The Transformation From Ellipsoidal Height To Orthometric Height. Konya Journal of Engineering Sciences, Cilt: 19 Sayı: 1, 73–84. https://ajindex.com/articles/909789

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