標題: Titlebook: ; [打印本頁] 作者: FAD 時間: 2025-3-21 18:43
書目名稱Gravity, Geoid and Space Missions影響因子(影響力)
書目名稱Gravity, Geoid and Space Missions影響因子(影響力)學科排名
書目名稱Gravity, Geoid and Space Missions網(wǎng)絡(luò)公開度
書目名稱Gravity, Geoid and Space Missions網(wǎng)絡(luò)公開度學科排名
書目名稱Gravity, Geoid and Space Missions被引頻次
書目名稱Gravity, Geoid and Space Missions被引頻次學科排名
書目名稱Gravity, Geoid and Space Missions年度引用
書目名稱Gravity, Geoid and Space Missions年度引用學科排名
書目名稱Gravity, Geoid and Space Missions讀者反饋
書目名稱Gravity, Geoid and Space Missions讀者反饋學科排名
作者: Exposition 時間: 2025-3-21 20:19 作者: Initial 時間: 2025-3-22 00:25
https://doi.org/10.1007/978-3-642-77189-7ght direction (Local Orbit Reference Frame; LORF) by a few degrees, and the resulting modified error budget of the GOCE gradiometer. Additionally, the benefits of a combination of the SGG and hl-SST components are presented and discussed.作者: Injunction 時間: 2025-3-22 06:22 作者: 思想靈活 時間: 2025-3-22 09:36 作者: Sinus-Rhythm 時間: 2025-3-22 14:09 作者: Sinus-Rhythm 時間: 2025-3-22 17:33 作者: outrage 時間: 2025-3-23 01:13 作者: tackle 時間: 2025-3-23 03:25
Using the EIGEN-GRACE02S Gravity Field to Investigate Defectiveness of Marine Gravity Dataelow 40. The anomaly differences between GRACE and the marine gravity is found to be inconspicuous, transforms however to large scale pattern of geoid height differences with ± 0.4m amplitude, located differently for the marine data sets investigated.作者: 業(yè)余愛好者 時間: 2025-3-23 06:21
Perioperative Preparation of NOSESojection. The omission of higher-order terms of the Taylor expansion and commission errors of the geopotential model are discussed..The paper presents an error analysis study based on simulated GOCE gradiometry. The results are validated with stringent accuracy requirements of the GOCE mission.作者: hypnotic 時間: 2025-3-23 10:06
Géraldine Savary,Michel Grisel,Céline Picardas a least-squares network parameter estimation problem. The authors believe that the above approach has some potential advantages that are worth exploring. Mainly, that modelling of the Earth gravity field can be more rigorous than with SSA and that external observation equations can be better exploited.作者: 卵石 時間: 2025-3-23 14:37 作者: Abduct 時間: 2025-3-23 20:02
Network Approach versus State-space Approach for Strapdown Inertial Kinematic Gravimetryas a least-squares network parameter estimation problem. The authors believe that the above approach has some potential advantages that are worth exploring. Mainly, that modelling of the Earth gravity field can be more rigorous than with SSA and that external observation equations can be better exploited.作者: ANIM 時間: 2025-3-24 00:22 作者: hidebound 時間: 2025-3-24 04:49
Building a Chatbot Using Transfer Learning,e to the coast (<25 km) this investigation shows that the altimetric gravity field determination degrades due to a combination of several factors, where the main reason is the degradation of the quality of the altimeter data. By starting out from the original waveform data and retracking the entire 作者: incarcerate 時間: 2025-3-24 09:11
Exploring and Processing Text Data,portant examples of temporal sources are ocean tides, atmospheric pressure variations, and geophysical signals like those of continental hydrology and ocean bottom pressure variations predicted by the ECCO ocean model. Space-borne gravimetry, such as by the GRACE system, aims at observing including 作者: PIZZA 時間: 2025-3-24 11:30
Advanced Natural Language Processing,time- and space-resolution. The future mission . will further add to that in terms of spatial resolution. Nevertheless, each of these missions has its own limitations. At the same time several geoscience disciplines push for ever higher requirements on spatial resolution, time resolution and accurac作者: overhaul 時間: 2025-3-24 16:12
Automatic Evaluation of Ontologies,ture realizations of NGA’s World Geodetic System. Current plans call for the development of the new EGM (EGM05) by the end of 2005. The new model will be complete to degree and order 2160, and aims at a ±15 cm global Root Mean Square (RMS) geoid undulation error requirement. The new model will combi作者: 泥土謙卑 時間: 2025-3-24 20:30
https://doi.org/10.1007/978-3-030-52273-5 orbits varies and that CHAMP accelerometer errors are difficult to model. The stochastic model of the in-situ potential values from the energy balance is therefore heterogeneous and it is unclear if it can be described accurately using a priori information. We have estimated parameters of this stoc作者: 相符 時間: 2025-3-24 23:31 作者: GUEER 時間: 2025-3-25 05:36
https://doi.org/10.1007/978-3-642-77189-7 from GOCE observables (satellite gravity gradiometry (SGG), satellite-to-satellite tracking in high-low mode (hl-SST)) is presented. The software architecture and the data flow are briefly described, and the main software components and recent developments are presented. Selected numerical simulati作者: conjunctiva 時間: 2025-3-25 10:02 作者: urethritis 時間: 2025-3-25 12:30 作者: 我悲傷 時間: 2025-3-25 17:22 作者: 瘋狂 時間: 2025-3-25 21:53
https://doi.org/10.1007/978-3-319-16039-9ly, except for the polar gaps. An accuracy of a few mE (1 mE = 10. E?tv?s, 1 E = 10.s.) is required to derive, in combination with satellite-to-satellite tracking (SST) measurements, a global geopotential model up to about spherical harmonic degree 200 with an accuracy of 1 … 2 cm in terms of geoid 作者: 跟隨 時間: 2025-3-26 00:09 作者: CRAFT 時間: 2025-3-26 06:50 作者: 盤旋 時間: 2025-3-26 10:32 作者: 雪崩 時間: 2025-3-26 16:08 作者: Endearing 時間: 2025-3-26 18:05 作者: BUOY 時間: 2025-3-27 00:03
Natural Polymers vs Synthetic Polymer,ent principles are satellite-to-satellite tracking (.) and, for the first time, satel-lite gravity gradiometry (.). To meet the mission goal of a 1–2 cm geoid at a spatial resolution of about 100 km, the satellite instruments will be calibrated in pre-fiight mode and prior to the measurement phases 作者: Indecisive 時間: 2025-3-27 02:34 作者: ILEUM 時間: 2025-3-27 08:15 作者: Arbitrary 時間: 2025-3-27 12:23 作者: Obstacle 時間: 2025-3-27 14:05 作者: 生意行為 時間: 2025-3-27 19:08
Satellite clusters for future gravity field missionstime- and space-resolution. The future mission . will further add to that in terms of spatial resolution. Nevertheless, each of these missions has its own limitations. At the same time several geoscience disciplines push for ever higher requirements on spatial resolution, time resolution and accurac作者: Nucleate 時間: 2025-3-28 00:16 作者: 黃油沒有 時間: 2025-3-28 03:02
Stochastic model validation of satellite gravity data: A test with CHAMP pseudo-observations orbits varies and that CHAMP accelerometer errors are difficult to model. The stochastic model of the in-situ potential values from the energy balance is therefore heterogeneous and it is unclear if it can be described accurately using a priori information. We have estimated parameters of this stoc作者: 共同生活 時間: 2025-3-28 07:52 作者: Culpable 時間: 2025-3-28 13:04 作者: 吞下 時間: 2025-3-28 17:14
GRACE Gradiometeres with unprecedented accuracy is the primary science objective of the GRACE mission. The line of sight (LOS) acceleration difference between the satellite pair is the most frequently utilized form of the observable. It is the simplest form of the observable which can be easily employed. Nevertheles作者: fallible 時間: 2025-3-28 21:07 作者: 沒花的是打擾 時間: 2025-3-29 02:29
Numerical Velocity Determination and Calibration Methods for , Using the Energy Balance Approach been successfully implemented by several groups around the world. This paper addresses two important aspects of the data processing. First, high-quality gravity recovery requires numerical differentiation of kinematic positions. Two methods are investigated using simulated and real dynamic data. It作者: 轉(zhuǎn)折點 時間: 2025-3-29 05:47
Upward Continuation of Ground Data for GOCE Calibration/Validation Purposesly, except for the polar gaps. An accuracy of a few mE (1 mE = 10. E?tv?s, 1 E = 10.s.) is required to derive, in combination with satellite-to-satellite tracking (SST) measurements, a global geopotential model up to about spherical harmonic degree 200 with an accuracy of 1 … 2 cm in terms of geoid 作者: 營養(yǎng) 時間: 2025-3-29 08:38 作者: 我沒有命令 時間: 2025-3-29 13:47
Effect of geopotential model errors on the projection of GOCE gradiometer observablesng strategies to project the GOCE gravity gradients to a mean reference sphere. In the present simulation study the radial distance of the projection is in the order of 10 km, and can be done using the Taylor expansion of the gravity gradients..In this paper we present an error analysis of such a pr作者: 輕快帶來危險 時間: 2025-3-29 17:43
Comparison of some robust parameter estimation techniques for outlier analysis applied to simulated fect of outliers. This paper presents computationally-feasible algorithms for Huber’s M-estimator (a classic robust estimator) as well as for the class of R-estimators which have not traditionally been considered for geodetic applications. It is shown that the computational time required for the pro作者: 廣告 時間: 2025-3-29 20:21
Comparison of outlier detection algorithms for GOCE gravity gradientsigh accuracy and high resolution model of the gravitational field if systematic errors and/or outliers have been removed from the data. It is necessary to detect outliers in the data pre-processing because undetected outliers may lead to erroneous results when the data are further processed, for exa作者: 火光在搖曳 時間: 2025-3-29 23:54 作者: Melatonin 時間: 2025-3-30 04:29 作者: conjunctivitis 時間: 2025-3-30 09:31 作者: 單挑 時間: 2025-3-30 14:33
Network Approach versus State-space Approach for Strapdown Inertial Kinematic Gravimetryges but displays a serious disadvantage, namely, its very limited capacity to handle space correlations (like the rigorous treatment of cross-over points). This paper examines an alternative through the well known geodetic approach, where the INS differential mechanization equations are interpreted 作者: 易碎 時間: 2025-3-30 17:24 作者: AVID 時間: 2025-3-30 22:03
Initial results from retracking and reprocessing the ERS-1 geodetic mission altimetry for gravity fi field modeling close to the coast and in Polar Regions is discussed. Close to the coast and in particular in Polar Regions the use of multiple retrackers leads to considerably more and better data than in the normal 1 Hz data delivered by the European Space Agency (ESA)..Extensive comparison with m作者: 撫育 時間: 2025-3-31 04:24
Space-borne gravimetry: determination of the time variable gravity fielding (SST) and orbital positions from GPS high-low SST) and retrieved gravity field spherical harmonic expansions. In addition, the aliasing of signals predicted by the ECCO model and the effect of low-low SST observation noise and uncertainties in the recovered orbital positions has been analyzed..I作者: Preserve 時間: 2025-3-31 05:10 作者: immunity 時間: 2025-3-31 10:01 作者: Virtues 時間: 2025-3-31 15:01
Stochastic model validation of satellite gravity data: A test with CHAMP pseudo-observationsmum Norm Quadratic Unbiased Estimator (MINQUE) as an alternative for the fast Monte Carlo Maximum Likelihood VCE that we have introduced earlier. In this way, spurious data sets could be indicated and downweighted in the least-squares estimation of the unknown parameters. Using only 299 days of CHAM作者: ASSAY 時間: 2025-3-31 17:55
Analysis of , ,-Perturbed Relative Orbits for Satellite Formation Flyingravity gradient tensor. The resulting . are solved analytically..The orbit simulations show that the analytical solution of the modified . are consistent with their numerically integrated counterpart. Differences with respect to the reference . method remain, which means that not all .. effects have作者: DECRY 時間: 2025-4-1 00:34 作者: 協(xié)奏曲 時間: 2025-4-1 04:53
Modelling the Earth’s gravity field using wavelet frames Here we describe the construction of wavelet frames on the sphere based on the Poisson multipole wavelet. Those wavelets are of special interest for field modelling since their shape is linked to the potential of multipole sources, and their scaling parameter to the multipole depth (Holschneider et作者: engrave 時間: 2025-4-1 08:03 作者: jealousy 時間: 2025-4-1 13:55
Global Gravity Field Solutions Based on a Simulation Scenario of GRACE SST Data and Regional Refinemspace localizing base functions like spherical spline functions. The advantage of this method is the possibility of adjusting the spline representation and the recovery procedure according to the regional gravity field structures and the specific data distribution. As a first indicator of a rough gr作者: 不如樂死去 時間: 2025-4-1 16:03 作者: 褻瀆 時間: 2025-4-1 19:18 作者: 磨坊 時間: 2025-4-2 02:04
Building a Chatbot Using Transfer Learning, field modeling close to the coast and in Polar Regions is discussed. Close to the coast and in particular in Polar Regions the use of multiple retrackers leads to considerably more and better data than in the normal 1 Hz data delivered by the European Space Agency (ESA)..Extensive comparison with m
