挥舞
发表于 2025-3-23 10:15:20
Contribution of the Gravity Probe B Mission to Geodesy and to Satellite Navigationy on it a GPS (Global Positioning System) receiver for precise orbit tracking. In doing this in a satellite of relatively low altitude (650 km) in polar orbit around the Earth, we create a system that will also, as an unexpected “coexperiment”, improve knowledge of the Earth’s gravity field by a fac
煞费苦心
发表于 2025-3-23 15:23:04
An Improved Model for the Earth’s Gravity Field) derived from the Ohio State University 1°×1° gravity anomaly data. PTGF-4 was computed using satellite tracking data and altimeter crossover data, whereas PTGF-4A was determined using these data sets as well as direct altimeter data and surface gravity data. The estimated parameters for PTGF-4A in
饮料
发表于 2025-3-23 18:27:44
A New Geopotential Model Tailored to Gravity Data in Europemgal to 6.0 mgal for OSU86F resp. IFE88E2. The magnitude of residual point free-air anomalies relative to OSU86F and IFE88E2 were evaluated in 1495 points in Scandinavia. The RMS values of the differences were 23.4 mgal and 18.5 mgal respectively. Especially comparisons of the two models with GPS/le
无能力之人
发表于 2025-3-24 01:19:29
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CESS
发表于 2025-3-24 03:11:45
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FEMUR
发表于 2025-3-24 07:27:22
Least-Squares Collocation Error Estimates in a Test of Newton’s Gravitational Lawhnique that was used to upward-continue ground data was least-squares collocation (LSC). The predicted standard deviation at 600 m above ground in the LSC estimate was significantly smaller than the observed discrepancy between the upward continuation estimate and the measured value. This indicates
欢乐东方
发表于 2025-3-24 11:22:26
Validation of the Inverse Square Law of Gravitation Using the Tower at Erie, Colorado, U.S.A.n, whose validity in the distance range of 10– 1000m has been repeatedly questioned during the last decade. Eckhardt et al (loc. cit.) and Romaides et al (1989) have interpreted their measurements on the 600m WTVD tower in North Carolina as evidence for non-Newtonian gravitation. This paper describe
经典
发表于 2025-3-24 17:34:11
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只有
发表于 2025-3-24 19:40:49
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GRACE
发表于 2025-3-25 02:34:10
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