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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Antrosios klasės gravimetrinių matavimų analizė / Analysis of second clas gravimetric measurement

Purpurovič, Janina 23 July 2012 (has links)
Baigiamajame magistro darbe atlikta Lietuvos ir Lenkijos gravimetrinių tinklų analizė. Apžvelgta IGSN 71 sunkio sistemos perdavimo metodika, išnagrinėtas gravimetrinių tinklų tikslumas. Pateikta informacija apie naujausią automatinį gravimetrą Scintrex CG-5, atlikta Lietuvos antrosios klasės gravimetrinio tinklo sudarymo metodikos detali analizė. Sudaryta gravimetrinių matavimų duomenų bazė, kuri gali būti naudojama gravimetrinių matavimų duomenų analizei. Panaudojant antrosios klasės gravimetrinio tinklo matavimų gravimetrais Scintrex CG-5 duomenis, atlikti, sunkio pagreičio tikslumo priklausomybės nuo matavimų skaičiaus punkte, tyrimai. Darbe gauti tyrimų rezultatai gali būti panaudoti tobulinant matavimų gravimetrais Scintrex CG -5 metodiką. Darbą sudaro 6 dalys: įvadas, 4 skyriai, išvados, literatūros sąrašas. Darbo apimtis – 98 p. , 56 iliustr., 22 lent., 28 bibliografiniai šaltiniai. / Thesis carried out in Lithuania and Poland, the gravimetric analysis of the network.Reviewed in IGSN 71gravity system of transmission methods, examined the accuracy of gravimetric networks. The information on the latest automatic gravimeter Scintrex CG-5, made second-class Lithuanian gravimetric network of methodology on a detailed analysis. Done gravimetric measurement database that can be used for gravimetric measurement data analysis. Using a second-class gravimeters gravimetric network Scintrex CG-5 data, perform, acceleration of gravity accuracy dependence on the number of measurements point out. We obtain the results can be used to improve measurement gravimeters Scintrex CG -5 methodology. The work consists of six parts: introduction, four sections, conclusions and the list of literature. Working volume - 98 pages, 56 drawings, 25 tables. The list of literature includes 28 bibliographical sources.
2

Redukce atmosferickych vlivu z observace supravodivych gravimetru / Analysis of selected variations of the gravity due to the mass dynamics

Volařík, Tomáš Unknown Date (has links)
This dissertation is focused on a study of selected environmental effects influencing terrestrial gravity observations. Global geopotential models were used to compute quantities of the disturbing gravity field and its variations during time period. Furthermore, analyses of an atmospherical and hydrological effects on the gravity observations were provided. The computation was realized at the station Pecný, however the concept was proved and compared with data from station Strasbourg. Consequently, the results were discussed with respect to quasigeoid modelling established from gravity and astrogeodetic measurements. The result and recommendations for future research are exposed.

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