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The Role of Laser Ranging for Calibrating Jason-1: The Corsica Tracking Campaign

机译:激光测距在校准Jason-1中的作用:Corsica跟踪运动

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摘要

The French Transportable Laser Ranging System (FTLRS), a highly transportable Satellite Laser Ranging (SLR) instrument, was set up in Corsica (from January to September 2002) for participating to the JASON-1 altimeter verification phase. In addition to the tracking of oceanographic satellite missions and in order to perform an accurate positioning, the FTLRS also acquired laser ranging data on geodetic satellites, STARLETTE and STELLA essentially. The paper describes the analysis strategy mainly based on the use of a short-arc orbit technique to compute accurate 1 cm local orbits, and then the geocentric positioning (2-3 mm relative to GPS). Finally, we established the JASON-1 absolute calibration value, based on 9 SLR short-arcs (between cycles 1 and 26), at 108.2 ± 8.7 mm; the 10-day repeatability is of 26.1 mm showing that a great accuracy has been reached.
机译:法国可移动激光测距系统(FTLRS)是一种高度可移动的卫星激光测距(SLR)仪器,于2002年1月至2002年9月在科西嘉成立,用于参与JASON-1高度计验证阶段。除了跟踪海洋卫星的任务并进行精确定位外,FTLSR还从大地卫星,STARLETTE和STELLA上获取了激光测距数据。本文主要根据短弧轨道技术的使用来计算分析策略,该技术先计算出1 cm的精确本地轨道,然后再进行地心定位(相对于GPS为2-3 mm)。最后,我们基于9个SLR短弧(在周期1和26之间)建立了JASON-1绝对校准值,其值为108.2±8.7 mm; 10天可重复性为26.1毫米,这表明已经达到了很高的精度。

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