標(biāo)題: Titlebook: Geodesy Beyond 2000; The Challenges of th Klaus-Peter Schwarz Conference proceedings 2000 SPringer-Verlag Berlin Heidelberg 2000 Global ref [打印本頁] 作者: 畸齒矯正學(xué) 時間: 2025-3-21 16:22
書目名稱Geodesy Beyond 2000影響因子(影響力)
書目名稱Geodesy Beyond 2000影響因子(影響力)學(xué)科排名
書目名稱Geodesy Beyond 2000網(wǎng)絡(luò)公開度
書目名稱Geodesy Beyond 2000網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Geodesy Beyond 2000被引頻次
書目名稱Geodesy Beyond 2000被引頻次學(xué)科排名
書目名稱Geodesy Beyond 2000年度引用
書目名稱Geodesy Beyond 2000年度引用學(xué)科排名
書目名稱Geodesy Beyond 2000讀者反饋
書目名稱Geodesy Beyond 2000讀者反饋學(xué)科排名
作者: 道學(xué)氣 時間: 2025-3-21 20:42 作者: 河流 時間: 2025-3-22 02:21 作者: ingrate 時間: 2025-3-22 08:21 作者: 改進(jìn) 時間: 2025-3-22 10:37
Besonderheiten der Axialschaufel,y EUVN point, three-dimensional coordinates in ETRS89 and levelling heights pri-marily in the system of the UELN-95 have to be derived. The GPS computations are finalised, some levelling connections still have to be realised. At the tide gauge stations of EUVN additional sea level observations have 作者: Palliation 時間: 2025-3-22 16:29 作者: Palliation 時間: 2025-3-22 18:39 作者: 鎮(zhèn)壓 時間: 2025-3-22 21:35
Die Kriegschirurgie des Jahres 1917 heights by use of the model developed is for most regions of Russia M. = ?20–25 cm. The test data that we used for model evaluations include geoid undulations (or height anomalies) determined from GPS positioning and level observations, global geopotential models EGM96, global marine gravity field 作者: breadth 時間: 2025-3-23 01:39
Earth scale below a part per billion from Satellite Laser Ranging characteristics. We arrive at an estimate of GM of 398600.44187 +/-.00020 km3/sec2, which lies within the 2 ppb uncertainty of the current standard, but differs from it by more than the error of the new estimate. Both the current standard and our recommended value fall comfortably within the ten pp作者: Merited 時間: 2025-3-23 08:15 作者: gangrene 時間: 2025-3-23 11:22
The European Reference System coming of agek (+/-3mm in the horizontal component, +/-6mm in the height component)..Since 1995, emphasis has been placed on the height component, resulting in an extended and improved adjustment of the United European Leveling Network (UELN) and the establishment of the European Vertical GPS Reference Network (作者: 易發(fā)怒 時間: 2025-3-23 15:19 作者: 注意力集中 時間: 2025-3-23 21:32 作者: 樹木中 時間: 2025-3-23 22:23
The 1999 GFZ pre-CHAMP high resolution gravity modelpherical harmonic degree and order for the full variance-covariance matrix will be extended to 140, compared to degree 100 for previous GFZ solutions and degree 70 for the EGM96 model. It can be shown by preliminary investigations, based on former satellite solutions, that, due to the extension of t作者: 現(xiàn)存 時間: 2025-3-24 05:51
Comparison and evaluation of the new Russian global geopotential model to degree 360 heights by use of the model developed is for most regions of Russia M. = ?20–25 cm. The test data that we used for model evaluations include geoid undulations (or height anomalies) determined from GPS positioning and level observations, global geopotential models EGM96, global marine gravity field 作者: cravat 時間: 2025-3-24 09:21
Earth scale below a part per billion from Satellite Laser Ranging reduced to the current level of only a few millimeters. Advances in overall system accuracy, in conjunction with improved satellite, Earth, orbit perturbation and relativity modeling, now allows us to determine the value of the geocentric gravitational coefficient (GM) to less than a part per billi作者: Antimicrobial 時間: 2025-3-24 13:27 作者: progestin 時間: 2025-3-24 18:24
The IGEX-98- campaign: Highlights and perspectivepaign has involved a large international cooperation worldwide, including GLONASS, GPS and Laser observations and data processing. The goal of this paper is to present the scientific goals of the IGEX-98 campaign, to describe briefly its organization and also to present the preliminary results obtai作者: Abjure 時間: 2025-3-24 22:42
Computation of precise GLONASS orbits for IGEX-98ed to compute precise orbits for all active GLONASS satellites. The campaign was initially scheduled for three months, but the activities still continue in September, 1999. One of the main reasons for this extension was the launch of three new GLONASS satellites at the end of the year 1998..The proc作者: tattle 時間: 2025-3-25 02:14 作者: Mundane 時間: 2025-3-25 04:59
Use of GPS carrier phase for high precision frequency (time) comparisonards have accuracy below 2x10. and the classical common-view method is no longer satisfactory. Use of GPS carrier phase combined with code measurements is a promising technique for the accurate comparison of remote clocks. This paper discusses some error sources disturbing the uncertainty of the com作者: jealousy 時間: 2025-3-25 08:12 作者: 厭惡 時間: 2025-3-25 15:23
Status and development of the European height systemsLN-95 project are to establish an unified vertical datum for Europe at the one decimeter level with the simultaneous enlargement of UELN as far as possible to include Central and Eastern European countries. More than 3000 nodal points were adjusted linked to the reference point of LTELN-73 (gauge Am作者: 暫時別動 時間: 2025-3-25 18:10
Recovering the global gravitational field from satellite measurements of the full gravity gradientional procedure of solving this problem is based on constructing from the start several boundary value (.) relations, each of them corresponding to a separate second order potential derivative. In the present paper an optimal approach is elaborated for solving the spaceborne scalar boundary value pr作者: 輕信 時間: 2025-3-25 22:53 作者: Irremediable 時間: 2025-3-26 01:03
Direct and local comparison between different ssatellite mission for the gravity field on-the-flyes of measurement are basically three, namely: the measurement of accurate orbit anomalies and of non gravitational forces acting on the satellite; the measurement of differential orbit anomalies and of their time variations along the line of sight of twin satellites; the measurement of the gradiome作者: Thymus 時間: 2025-3-26 07:21
Calibration/validation methods for GRACEd accuracy, especially at the long wavelengths. The measurements are line-of-sight range rates between two co-orbiting, low-altitude satellites that can be transformed into differences of geopotential and horizontal gravitation. One method to attempt the calibration and validation of GRACE data is t作者: Epidural-Space 時間: 2025-3-26 11:56
The 1999 GFZ pre-CHAMP high resolution gravity modeltly under development by GFZ Potsdam and GRGS in Toulouse. Based on the full variance-covariance matrix of this solution and terrestrial and altimetry derived surface gravity data, a new high resolution global gravity field model up to degree and order 359 will be computed. The solution will be calc作者: deriver 時間: 2025-3-26 15:47
Comparison and evaluation of the new Russian global geopotential model to degree 360 and operations executed, the global Earth gravity field model GAO-98 with the resolution level corresponding to the geopotential expansion into spherical harmonics up to 360. degree has been developed. The main parameters of the model developed are a set of mean anomalies for 30’ x 30’ — blocks cov作者: GRAVE 時間: 2025-3-26 19:46
Assessing the global land one-km base elsevation DEMelevation dataset to date. Developed by an international group of specialists, GLOBE comprises a global 30 arc-second latitude-longitude array, with land areas populated with integer elevation data. GLOBE is available on the World Wide Web, and on CD-ROM in a format convenient for image processing a作者: NOVA 時間: 2025-3-26 22:30 作者: 確保 時間: 2025-3-27 01:27
Christoph Braunschweig,Bernhard Pichler satellite crossovers. The analysis is then extended to incorporate GEOSAT ERM data through tide gauge enhanced dual satellite crossovers with TOPEX. Results of the stability analysis are used to consider global mean sea-level change over the period 1986–1998.作者: aspersion 時間: 2025-3-27 09:10
,Die Kreditwürdigkeit des Kunden,the case and attribute the negative finding to the way the orbit data are prepared..Large perturbations exist at sidereal periods. We suppose that they are related to once and twice per revolution orbit errors. Other perturbations might arise due to multipathing near a receiver antenna.作者: Systemic 時間: 2025-3-27 09:49 作者: Infelicity 時間: 2025-3-27 16:39
Long-term stability of altimetric data with applications to mean sea-level change satellite crossovers. The analysis is then extended to incorporate GEOSAT ERM data through tide gauge enhanced dual satellite crossovers with TOPEX. Results of the stability analysis are used to consider global mean sea-level change over the period 1986–1998.作者: Obligatory 時間: 2025-3-27 21:33
Ocean loading tides in GPS and rapid variations of the frame originthe case and attribute the negative finding to the way the orbit data are prepared..Large perturbations exist at sidereal periods. We suppose that they are related to once and twice per revolution orbit errors. Other perturbations might arise due to multipathing near a receiver antenna.作者: 書法 時間: 2025-3-27 23:52
Assessing the global land one-km base elsevation DEMnd raster geographic information systems (GIS). Full GLOBE documentation accompanies the CD-ROM and appears on the Website (http://www.ngdc.noaa.gov/seg/topo/globe.html). This paper summarizes some findings made during GLOBE’s development.作者: 無節(jié)奏 時間: 2025-3-28 03:11
0939-9585 presented with special emphasis on the challenges of the next decade. It is subdivided into six parts. The first five parts discuss the challenges of providing a stable global reference at the parts per billion level by space methods, the impact of recently approved dedicated satellite missions on 作者: 不要嚴(yán)酷 時間: 2025-3-28 09:16
https://doi.org/10.1007/978-3-322-99082-2per is to present the scientific goals of the IGEX-98 campaign, to describe briefly its organization and also to present the preliminary results obtained for precise orbit determination, terrestrial reference frame and timing issues.作者: 閃光你我 時間: 2025-3-28 13:07 作者: Congregate 時間: 2025-3-28 15:35
The IGEX-98- campaign: Highlights and perspectiveper is to present the scientific goals of the IGEX-98 campaign, to describe briefly its organization and also to present the preliminary results obtained for precise orbit determination, terrestrial reference frame and timing issues.作者: Essential 時間: 2025-3-28 19:02 作者: 橫截,橫斷 時間: 2025-3-29 01:03 作者: BIAS 時間: 2025-3-29 06:32 作者: 兩種語言 時間: 2025-3-29 11:17
Die Kreditwürdigkeit des Kundenible with GPS orbits and allow a combined processing of both satellite systems..All GLONASS satellites are equipped with a laser reflector array and the SLR ground network is tracking most of the GLONASS satellites. Comparisons of the GLONASS orbits computed by CODE with the SLR measurements show that the orbit accuracy is better than 20 cm.作者: Ccu106 時間: 2025-3-29 15:05 作者: FLAIL 時間: 2025-3-29 17:18
https://doi.org/10.1007/978-3-662-33190-3. We provide error estimates anal show that the solution is unbiased. We also prove that the method does not converge to the solution of the normal equations. However, the approximation error can be neglected in our simulations.作者: 預(yù)測 時間: 2025-3-29 23:09
https://doi.org/10.1007/978-3-642-91530-7rea. This could produce on-the-fly calibration procedures and cross-calibration procedures. To reach this goal one can try to “l(fā)ocalize” the observations so that the problem is reduced to the comparison of different functionals of the anomalous potential . in the same zone of space作者: 凝結(jié)劑 時間: 2025-3-30 01:59
Computation of precise GLONASS orbits for IGEX-98ible with GPS orbits and allow a combined processing of both satellite systems..All GLONASS satellites are equipped with a laser reflector array and the SLR ground network is tracking most of the GLONASS satellites. Comparisons of the GLONASS orbits computed by CODE with the SLR measurements show that the orbit accuracy is better than 20 cm.作者: 和平主義者 時間: 2025-3-30 07:16 作者: Emg827 時間: 2025-3-30 11:22 作者: 寡頭政治 時間: 2025-3-30 16:25
Direct and local comparison between different ssatellite mission for the gravity field on-the-flyrea. This could produce on-the-fly calibration procedures and cross-calibration procedures. To reach this goal one can try to “l(fā)ocalize” the observations so that the problem is reduced to the comparison of different functionals of the anomalous potential . in the same zone of space作者: annexation 時間: 2025-3-30 20:13
https://doi.org/10.1007/978-3-642-59742-8Global reference; Satellite missions; geodesy; geodynamics; global gravity field; natural hazard monitori作者: BLUSH 時間: 2025-3-30 20:46
Klaus-Peter SchwarzComplete overview over a wide range of topics in geodesy.Discussion of future developments作者: 兒童 時間: 2025-3-31 01:07 作者: Blasphemy 時間: 2025-3-31 06:31
CORE: Continuous, high accuracy Earth orientation measurements for the new millenniumThe international geodetic VLBI community will inaugurate during 1999 a new phase of the program called CORE: Continuous Observations of the Rotation of the Earth. The capabilities of the new Mark IV correlators, available in late 1999, will enable greater sensitivity, more frequent observing sessions and improved system throughput.作者: FLIRT 時間: 2025-3-31 09:17
https://doi.org/10.1007/978-3-7091-9936-7 reduced to the current level of only a few millimeters. Advances in overall system accuracy, in conjunction with improved satellite, Earth, orbit perturbation and relativity modeling, now allows us to determine the value of the geocentric gravitational coefficient (GM) to less than a part per billi作者: flutter 時間: 2025-3-31 15:25
Christoph Braunschweig,Bernhard Pichlerssions. For sea-level change studies careful validation is required to avoid contamination of the results by spurious non-oceanographic effects. In this study we first utilise . tide gauge data to monitor stability of the TOPEX/Poseidon data base. This series is linked to both ERS satellites by dual作者: KEGEL 時間: 2025-3-31 19:05 作者: 揮舞 時間: 2025-3-31 21:43
Die Kreditwürdigkeit des Kundened to compute precise orbits for all active GLONASS satellites. The campaign was initially scheduled for three months, but the activities still continue in September, 1999. One of the main reasons for this extension was the launch of three new GLONASS satellites at the end of the year 1998..The proc
