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首页> 外文期刊>Planetary and space science >On the measurement of the Lense-Thirring effect using the nodes of the LAGEOS satellites, in reply to 'On the reliability of the so far performed tests for measuring the Lense-Thirring effect with the LAGEOS satellites'
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On the measurement of the Lense-Thirring effect using the nodes of the LAGEOS satellites, in reply to 'On the reliability of the so far performed tests for measuring the Lense-Thirring effect with the LAGEOS satellites'

机译:关于使用LAGEOS卫星的节点来测量Lense-Thirring效果,回答“关于到目前为止进行的使用LAGEOS卫星测量Lense-Thirring效果的可靠性”

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摘要

In this paper we reply to recent claims by Ciufolini and Pavlis about certain aspects of the measurement of the general relativistic Lense-Thirring effect in the gravitational field of the Earth. (Ⅰ) The proposal by such authors of using the existing satellites endowed with some active mechanism of compensation of the non-gravitational perturbations as an alternative strategy to improve the currently ongoing Lense-Thirring tests is unfeasible because of the impact of the uncancelled even zonal harmonics of the geopotential and of some time-dependent tidal perturbations. (Ⅱ) It is shown that their criticisms about the possibility of using the existing altimeter Jason-1 and laser-ranged Ajisai satellites are groundless. (Ⅲ) Ciufolini and Pavlis also claimed that we would have explicitly proposed to use the mean anomaly of the LAGEOS satellites in order to improve the accuracy of the Lense-Thirring tests. We prove that it is false. In regard to the mean anomaly of the LAGEOS satellites, Ciufolini himself did use such an orbital element in some previously published tests. About the latest test performed with the LAGEOS satellites, (Ⅳ) we discuss the cross-coupling between the inclination errors and the first even zonal harmonic as another possible source of systematic error affecting it with an additional 9% bias. (Ⅴ) Finally, we stress the weak points of the claims about the origin of the two-nodes LAGEOS-LAGEOS Ⅱ combination used in that test.
机译:在本文中,我们回应了Ciufolini和Pavlis最近关于地球引力场中相对论Lense-Thirring效应测量的某些方面的主张。 (Ⅰ)由于未取消的偶数纬向带的影响,这些作者提出的利用现有卫星赋予非重力摄动补偿机制作为改进当前正在进行的Lense-Thirring试验的替代策略的建议是不可行的。地势的谐波以及一些与时间有关的潮汐扰动。 (Ⅱ)表明他们对使用现有高度计Jason-1和激光测距的Ajisai卫星的可能性的批评是毫无根据的。 (Ⅲ)Ciufolini和Pavlis还声称,我们将明确建议使用LAGEOS卫星的平均异常,以提高Lense-Thirring测试的准确性。我们证明这是错误的。关于LAGEOS卫星的平均异常,Ciufolini本人确实在一些先前发表的测试中使用了这种轨道要素。关于使用LAGEOS卫星进行的最新测试,(Ⅳ)我们讨论了倾角误差和一次均匀带状谐波之间的交叉耦合,这是另一个可能引起系统误差的系统误差,附加误差为9%。 (Ⅴ)最后,我们强调了该测试中使用的两节点LAGEOS-LAGEOSⅡ组合的起源的主张的弱点。

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