| viXra.org > Geophysics > 1512 |
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| viXra.org > Geophysics > 1512 |
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[20] viXra:1512.0488 [pdf] submitted on 2015-12-30 10:31:30
Authors: Abdelmajid Ben Hadj Salem
Comments: 5 Pages. In French.
The papers presents the errors during the reduction of ellipsoid distances with the use of the radius of the earth.
Category: Geophysics
[19] viXra:1512.0486 [pdf] submitted on 2015-12-30 12:32:56
Authors: Abdelmajid Ben Hadj Salem
Comments: 26 Pages. In French.
Ii is a powerpoint presentation of the geodetic calculations presented to the seminar "Intensif Calculations Week",27 november -1st december 2006, held at the ENIT school, Tunis.
Category: Geophysics
[18] viXra:1512.0485 [pdf] submitted on 2015-12-30 10:06:10
Authors: Abdelmajid Ben Hadj Salem
Comments: 7 Pages. In French.
The paper is a review of the use of the spatial positioning technology during the years 1982-2004 at the OTC the Tunisian Institute of Surveying and Mapping.
Category: Geophysics
[17] viXra:1512.0483 [pdf] submitted on 2015-12-30 05:26:29
Authors: Abdelmajid Ben Hadj Salem
Comments: 6 Pages. In french.
We present the polynomial transformations between geodetic systems. Then we study the case of Conformal Polynomial transformations of order 1,2 and 3.
Category: Geophysics
[16] viXra:1512.0482 [pdf] submitted on 2015-12-30 06:00:26
Authors: Abdelmajid Ben Hadj Salem
Comments: 8 Pages. In French.
It is a note about the unification of the Tunisian geodetic terrestrial systems used in Tunisia.This note was presented to the International Conference on the Cadastre, 25-26 october 2002, Tunis, Tunisia.
Category: Geophysics
[15] viXra:1512.0481 [pdf] submitted on 2015-12-30 06:09:43
Authors: Abdelmajid Ben Hadj Salem
Comments: 8 Pages.
It the OTC contribution to the NORTH
AFRICAN REFERENCE PROJECT - NAFREF - presented at the Second North African Geodetic Workshop
On the Unification of the Geodetic References, held in Algiers, 26 - 27 May 2001.
Category: Geophysics
[14] viXra:1512.0479 [pdf] submitted on 2015-12-30 06:31:31
Authors: Abdelmajid Ben Hadj Salem
Comments: 4 Pages. In French.
It is a paper presented at the Second North African Geodetic Workshop On the Unification of the Geodetic References, held in Algiers, 26 - 27 May 2001. The paper concerns the integration of the geodetic points determined in ADOS Project in NAFREF Project.
Category: Geophysics
[13] viXra:1512.0478 [pdf] submitted on 2015-12-30 06:37:27
Authors: Abdelmajid Ben Hadj Salem
Comments: 6 Pages. In French.
The paper explains how we obtain the formulas of the transformation of Bursa-Wolf between two geodetic systems.
Category: Geophysics
[12] viXra:1512.0477 [pdf] submitted on 2015-12-30 06:46:29
Authors: Abdelmajid Ben Hadj Salem
Comments: 8 Pages. In French.
The paper concerns the adjustment of the non-linear method by the least squares method with the example of the spatial intersection.
Category: Geophysics
[11] viXra:1512.0425 [pdf] submitted on 2015-12-25 14:41:03
Authors: Abdelmajid Ben Hadj Salem
Comments: 63 Pages. 63 Slides in French.
It is an introduction to GPS.
Category: Geophysics
[10] viXra:1512.0421 [pdf] submitted on 2015-12-25 08:17:18
Authors: Abdelmajid Ben Hadj Salem
Comments: 5 Pages. In French
The determination of the heights of the geoïd by the method of astro-geodetic levelling is described.
Category: Geophysics
[9] viXra:1512.0409 [pdf] submitted on 2015-12-24 06:51:05
Authors: Abdelmajid Ben Hadj Salem
Comments: 12 Pages. In French.
This paper concerns the evolution of the Tunisian geodesy from the Laplace geodetic points to the installation of GPS permanant stations in the new Tunisian geodetic network. The paper was prepared for the 120th anniversary of the creation of the Tunisian Topographic Service.
Category: Geophysics
[8] viXra:1512.0390 [pdf] replaced on 2015-12-23 06:04:01
Authors: Abdelmajid Ben Hadj Salem
Comments: 15 Pages. In French with an abstract
It is the paper proposed to be presented at the FIG Working Week 2012 "Knowing to manage the territory, protect the environment, evaluate the cultural heritage" Rome, Italy, 6-10 May 2012. The paper described the unification of the Tunisian terrestrial geodetic systems.
Category: Geophysics
[7] viXra:1512.0369 [pdf] submitted on 2015-12-18 12:05:26
Authors: Abdelmajid Ben Hadj Salem
Comments: 31 Pages. In French.
It is a memoir of mathematical cartography concerning the traduction of the paper '' A Conformal Mapping Projection With Minimum Scale
Error” de W.I. Reilly, published in Survey Review, Volume XXII, n°168, april 1973.
Category: Geophysics
[6] viXra:1512.0364 [pdf] submitted on 2015-12-18 08:55:36
Authors: Abdelmajid Ben Hadj Salem
Comments: 53 Pages. In French.
This is a the numerical version of the manuscript of a course of mathematical cartography given by the General Geographe Engineer A. Commiot in the 1980's, at the ENSG, IGN France. The author has brought some developpment.
Category: Geophysics
[5] viXra:1512.0349 [pdf] submitted on 2015-12-17 05:19:04
Authors: Abdelmajid Ben Hadj Salem
Comments: 7 Pages. In French.
The paper presents a method to unify many terrestrial geodetic systems using GPS observations.
Category: Geophysics
[4] viXra:1512.0287 [pdf] submitted on 2015-12-11 10:16:16
Authors: Abdelmajid Ben Hadj Salem
Comments: 261 Pages. Key words: Geodesy, Mapping, Differential geometry of the ellipsoïde, Geostatistique. In French.
It is the second part of the selected papers of the Senior Geodesist Abdelmajid Ben Hadj Salem.
Category: Geophysics
[3] viXra:1512.0282 [pdf] submitted on 2015-12-10 14:39:13
Authors: Abdelmajid Ben Hadj Salem
Comments: 7 Pages. In French.
We give the definition of a quasi-conformal mapping and we present one example.
Category: Geophysics
[2] viXra:1512.0269 [pdf] replaced on 2015-12-09 05:20:13
Authors: Abdelmajid Ben Hadj Salem
Comments: 297 Pages. In French. Key words: Geodesy, Mapping, Theory of Errors, Differential Geometry of the ellipsoïd, Geophysics.
This is the first part of the Selected Papers of the Senior Engineer Abdelmajid Ben Hadj Salem.
Category: Geophysics
[1] viXra:1512.0116 [pdf] submitted on 2015-12-03 19:17:29
Authors: Jeffrey Joseph Wolynski
Comments: 1 Page. 1 diagram, 1 video reference
It is hypothesized that stars undergo homogeneous nucleation (crystal growth in similar patterns) of iron/nickel vapor during early stellar evolution. The evidence is provided in meteorites and inside of all ancient stars which possess these iron/nickel crystal cores.
Category: Geophysics
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