Potvynio potencialo itakos sunkio lauko ekvipotencialiniam paviršiui vertinimas

Petroškevičius, Petras; Popovas, Darius

doi:10.3846/gc.2010.15

Cited by 3 publications

(2 citation statements)

References 6 publications

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“…Influence of the celestial body on the Earth gravity field can be expressed using tide generating potential. Using the celestial equatorial coordinate system, tide generating potential of the non-deformable (rigid) Earth can be expressed by formula [8]:…”

Section: Deflections Of the Vertical Triggered By The Celestial Bodymentioning

confidence: 99%

Analysis of vertical deflection periodic variations

Obuchovski

Petroškevičius

Popovas

2014

The 9th International Conference "Environmental Engineering 2014"

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Most of the geodetic measurements are related with the direction of gravity or vertical. Angular, height difference measurements are performed in horizontal coordinate system. Geodetic measurement data are reduced to a uniform coordinate system prior to processing, taking into account gravity field nonhomogenity. However, increasing accuracy of geodetic measurements requires to assess deviations of the vertical caused by the celestial body effect. The aim of this study is to analyze periodic changes to the direction of the vertical, due to effect of the celestial body, and to assess the impact of the closest celestial bodies which have greater impact. Celestial body effect in the vertical deflection components in meridian and prime vertical was examined. Zonal and nonzonal wave's effect and their amplitude was investigated and evaluated. Results of this work can be used in precise angular measurements and height difference determination, and in the determination of the deflection of the vertical using geodetic astronomy techniques to clarify the shape of the geoid. Results also can be used to assess effect of zonal waves of deflection of the vertical.

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Section: Deflections Of the Vertical Triggered By The Celestial Bodymentioning

confidence: 99%

Analysis of vertical deflection periodic variations

Obuchovski

Petroškevičius

Popovas

2014

The 9th International Conference "Environmental Engineering 2014"

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“…Absoliučiai tvirtos Žemės potvynio potencialą galima iš-reikšti formule (Petroškevičius, Popovas 2010):…”

Section: Potvynio Potencialo Bangosunclassified

Dangaus kūnu lemiamo potvynio potencialo zoniniu bangu analize

Petroškevičius

Popovas

2010

Geodesy and Cartography

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Overview of Wireless Sensor Network Routing Protocol Based on Particle Swarm Algorithm

刘¹

2015

CSA

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This paper briefly introduces the characteristics of the wireless sensor network, introduces the principle and characteristics of the particle swarm algorithm, and expounds the basic particle swarm optimization algorithm and its process. Then, it focuses on how to improve the particle swarm optimization algorithm and apply it to wireless sensor networks, and points out the differences in the WSNs routing protocol based on the improved particle swarm optimization algorithm.

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Potvynio potencialo itakos sunkio lauko ekvipotencialiniam paviršiui vertinimas

Cited by 3 publications

References 6 publications

Analysis of vertical deflection periodic variations

Analysis of vertical deflection periodic variations

Dangaus kūnu lemiamo potvynio potencialo zoniniu bangu analize

Overview of Wireless Sensor Network Routing Protocol Based on Particle Swarm Algorithm

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