Results 251 to 260 of about 8,910 (305)

Detecting Configuration Weaknesses in Geodetic Networks

Survey Review, 2011
Abstract In geodetic networks, probable failures in the outlier detection arise not only due to ability of outlier detection methods, but also due to the weakness in the configuration of the networks. The purpose of this paper is to detect this weakness by cross-checking the observations for existing geodetic networks or at design stage.
ERDOĞAN, Bahattin, Sanli, D. U., Erenoglu, R. C., Hekimoglu, S.   +3 more
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OPTIMISATION OF GEODETIC NETWORKS

Survey Review, 1973
AbstractThe theory required to obtain the error ellipses of network stations without using the actual values of the observations forming the network is given. The importance of this concept in the optimisation of geodetic networks is pointed out by means of an example.
J. S. Allman, G. J. Hoar
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Geodetic Datum and Geodetic Control Networks

2014
To measure terrain, surface features, position coordinates, heights, and gravity values at points on the Earth’s surface, there need to be corresponding reference points or surfaces (also known as datum points or surfaces), namely geodetic datums, to which surveying and mapping results are referred. Geodetic datums consist chiefly of coordinate datums (
Zhiping Lu, Yunying Qu, Shubo Qiao
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Restrictions in Geodetic Networks

Journal of Surveying Engineering, 1990
The mathematical model of the adjustment of a geodetic network is generally supplemented by restrictions concerning the unknown parameters. This can occur with datum problems or by constraints resulting from the formulation of the problem. A method is presented that, at a large number of restrictions, works more economically than the commonly used way ...
A. Grimm‐Pitzinger, K. Hanke
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Optimization of Geodetic Networks

The Canadian Surveyor, 1974
Optimization of geodetic networks is classified in different orders. (1) Zero-order design solves the geodetic datum problem of how to transform geodetic measurements into absolute Cartesian coordinates. (2) First-order and (3) second-order design are closely related to find an optimaI configuration and an optimal observational weight within a ...
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On the Geodetic and Strong Geodetic Parameters of Certain Hypercubic Networks

Journal of Interconnection Networks
Networks derived from the hypercube are noted for their efficiency in simulating any bounded-degree communication network and hence they play a significant role in parallel machines. For a graph [Formula: see text], a geodetic cover is a subset [Formula: see text] of [Formula: see text], satisfying the condition that every vertex of [Formula: see text]
S. Gajavalli, A. Berin Greeni
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Robustness analysis of geodetic horizontal networks

Journal of Geodesy, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Vaníček, P., Craymer, M. R., Krakiwsky, E. J.   +2 more
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Geodetic Networks in Mexico

The Canadian Surveyor, 1974
In the paper the evolution of the Mexican geodetic network is described ending with its actual situation, present needs and plans for the near future, with special reference to the participation of Mexico in the readjustment of the North American network.
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Optimization of geodetic networks

Reviews of Geophysics, 1982
It is the aim of this paper to give a concise review of the current state of research, the trends, and the outstanding problems in the optimization of geodetic networks. The datum problem, which has to be solved in the computational stage, is referred to as the zero‐order design problem.
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History of Geodetic Networks

Journal of the Surveying and Mapping Division, 1976
The 50th anniversary of the Surveying and Mapping Division of ASCE provides an occasion to review some of the many advancements that have led to the current state of the art in geodesy. Beginning with the invention of the decimal and sexagesimal systems, the field of geodesy has relied upon many allied developments including the theory of triangulation,
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