Results 271 to 280 of about 1,156,717 (317)

Direct Transformation from Geocentric Cartesian Coordinates to Geodetic Latitude and Ellipsoidal Height

Survey Review, 2010
AbstractIn analysing the geometric relation between the geocentric coordinates and the geodetic latitude and ellipsoidal height, a tangent (or cotangent) quadratic equation of geodetic latitude is created, following which the geodetic latitude can be solved directly. We have found in the calculation of latitude from the tangent equation that the larger
Yanxing Li, Jinghua Zhang, Junqing Zhang, Zhang Zhong-fu, Xuesong Du   +4 more
semanticscholar   +3 more sources

Three-Station TDOA Localization Algorithm for Fixed Ellipsoidal Height Targets

IEEE Signal Processing Letters
Xiaohan Wang, Congfeng Liu
semanticscholar   +3 more sources

Measuring Land Subsidence Using GPS: Ellipsoid Height versus Orthometric Height

Journal of Surveying Engineering, 2014
AbstractGlobal positioning system (GPS) technology has been frequently used to monitor geological hazards associated with ground deformations, such as long-term landslides and subsidence. When GPS data are processed, they yield ellipsoid heights, which are the distances above a smooth ellipsoid surface.
Guoquan Wang, Tomás Soler
openalex   +2 more sources

ELİPSODAL YÜKSEKLİK VERİLERİNİN İYİLEŞTİRİLMESİ IMPROVED ELLIPSOIDAL HEIGHT DATAS

, 2014
GNSS (Küresel Konum Belirleme Sistemi) 2000'li yılların başından bu yana özellikle ticari uygulamalarda (Yol, köprü yapımı, mimari, kara, deniz hava ulaşımında, güvenlik, iletişim vb) çok yaygın kullanılmaktadır [1]. AncakbumükemmelmultidisiplinerJeodezimühendisliğikonusuMeteorolojikçalışmalar, Deprem araştırmaları gibi Bilimselu ygulamalarda; (X ...
Seyit Ali Yılmaz
openalex   +2 more sources

Accuracy Analysis of Ellipsoid Height for GNSS Height Determination

Journal of the Korean Cadastre Information Association, 2018
Y. Lee, Jeong-Hyun Park
openalex   +2 more sources

A New Solution to Weaken Influence of Ellipsoidal Height Error on Seven-parameter Transformation

, 2016
Zhao Jun Wen, Xuemei Liu, Yuan Peng
openalex   +2 more sources

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Assessment of temporal variations of orthometric/normal heights at proposed International Height Reference Frame sites using GRACE/GRACE-FO

Survey Review, 2023
The objective of this research is to assess temporal variations of orthometric/normal height (ΔH/ΔH*) at proposed International Height Reference Frame (IHRF) sites.
Samuel Milki Yadeta, Walyeldeen Godah, Malgorzata Szelachowska, Georgia Fotopoulos   +3 more
semanticscholar   +1 more source

Maximizing the performance of a field emission device by profiling the emitter’s height distribution

Journal of Vacuum Science & Technology B, 2023
Electrostatic depolarization in clusters of emitters regularly spaced and with uniform height causes the emission to concentrate on the outer corners, suppressing the relative emission contribution from center emitters.
Sergey Filippov, F. F. Dall’Agnol, Eugeni O. Popov, A. G. Kolosko, T. A. de Assis   +4 more
semanticscholar   +1 more source

Calibration of geoid error models via a combined adjustment of ellipsoidal, orthometric and gravimetric geoid height data

, 2005
G. Fotopoulos
openalex   +2 more sources

Atmospheric Ekman-type solutions with some eddy viscosities in ellipsoidal coordinates

Applicable Analysis, 2022
In this paper, we investigate the motion of the wind in the steady atmospheric Ekman layer with suitable boundary conditions in ellipsoidal coordinates. Firstly, we consider the system with the piecewise eddy viscosity coefficients.
Taoyu Yang, Michal Feckan, Jinrong Wang
semanticscholar   +1 more source