将卫星激光测距技术作为确定施瓦兹柴尔德效应、德西特效应和伦琴-鸟鸣效应的工具

IF 0.3 Q4 REMOTE SENSING
Mateusz Matyszewski, P. Lejba, Marcin Jagoda, P. Tysiąc
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引用次数: 0

摘要

摘要 卫星激光测距(SLR)是一种现代技术,用于与大地测量学和地球动力学有关的各种研究领域和应用。它通常用于建立国际地球参考框架(ITRF)、监测地球定向参数(EOP)、确定地心、测量基本物理常数、校准微波跟踪技术、进行时间转移实验以及研究引力和广义相对论效应等任务。对 LARES 和 LAGEOS 卫星的激光测量用于确定作用于这些卫星的相对论效应。本研究的目的是分析作用于 LARES、LAGEOS-1 和 LAGEOS-2 卫星的相对论扰动力(施瓦兹柴尔德效应、德西特效应和 Lense-Thirring 效应)。利用 15 个 SLR 测量站的数据,使用 GEODYN II 轨道软件包确定了这些卫星 840 小时的精确轨道。计算过程使用了国际地球自转和参考系统服务组织(IERS)和国际激光测距服务组织(ILRS)目前推荐的一套程序、力模型和常数。根据 LARES、LAGEOS-1 和 LAGEOS-2 卫星的精确轨道,通过计算确定了作用在这些卫星上的相对论加速度值。就德西特效应和 Lense-Thirring 效应而言,这些值的摆动周期相当于轨道周期的一半,而就施瓦兹柴尔德效应而言,这些值的摆动周期相当于轨道周期的四分之一。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Satellite Laser Ranging technique as a tool for the determination of the Schwarzschild, de Sitter and Lense-Thirring effects
Abstract Satellite Laser Ranging (SLR) is a modern technique used in various research areas and applications related to geodesy and geodynamics. It is commonly used for tasks such as establishing the International Terrestrial Reference Frame (ITRF), monitoring Earth Orientation Parameters (EOP), determining the geocenter, measuring fundamental physical constants, calibrating microwave tracking techniques, conducting time transfer experiments, and studying gravitational and general relativistic effects. Laser measurements of the LARES and LAGEOS satellites are used to determine the relativistic effects acting on these satellites. The objective of the present research is to analyze the perturbing forces of relativistic origin (Schwarzschild, de Sitter and Lense-Thirring effects) acting on the LARES, LAGEOS-1 and LAGEOS-2 satellites. By using data from fifteen SLR measurement stations, the precise orbits of these satellites were determined over a span of 840 hours using the GEODYN II orbital software package. The calculation process used a set of procedures, models of forces, and constants that are currently recommended by the International Earth Rotation and Reference Systems Service (IERS) and the International Laser Ranging Service (ILRS). Based on the precise orbits of the LARES, LAGEOS-1, and LAGEOS-2 satellites, calculations were made to determine the values of relativistic accelerations acting on these satellites. These values oscillate with a period equal to half of the orbital period for the de Sitter and Lense-Thirring effects, and a quarter of the orbital period for the Schwarzschild effect.
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