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首页> 外文会议>Symposium of the International Academy of Astronautics, Oct 2-6, 2000, Rio de Janeiro, Brazil >DEBRIS MODEL VALIDATION AND INTERPRETATION OF DEBRIS MEASUREMENTS USING ESA'S PROOF TOOL
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DEBRIS MODEL VALIDATION AND INTERPRETATION OF DEBRIS MEASUREMENTS USING ESA'S PROOF TOOL

机译：使用ESA的证明工具对Debris测量进行Debris模型验证和解释

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During the last years a number of observation campaigns to monitor the Earth's space debris environment using radar and optical sensors have been performed. In addition, space debris models like the ESA MASTER Model have been developed based on the simulation of debris generating events. To validate the models using the results of a measurement campaign, a filter has to be applied to transform the object data into detection rates considering the observation scenario and the instrument parameters. PROOF (Program for Radar and Optical Observation Forecasting, developed under ESA-ESOC contract) is such a filter and thus a link between models and measurements. This paper addresses validation aspects of the MASTER-99 debris population using the PROOF tool. Besides, emphasis is given to the method of PROOF and on the demonstration of the consistency of its results. It is shown in this context that the sensitivity of the modelled instruments matches measured thresholds for both instrument types (telescope and radar). For the validation of the MASTER-99 model, PROOF has been applied for the simulation of the latest TIRA and Haystack beam-park experiments. The comparison shows that the modelling of the space debris environment shows some deficiencies in the 80° inclination band and at altitudes of 900-1000km. For the GEO region, data from the ESA Space Debris Telescope have been used. The PROOF results reveal a lack of decimetre sized GEO objects in the MASTER model.
机译：在过去的几年中，已经进行了许多观察活动，以使用雷达和光学传感器监视地球的空间碎片环境。此外，已基于对碎片产生事件的模拟，开发了诸如ESA MASTER模型之类的空间碎片模型。为了使用测量活动的结果来验证模型，必须考虑到观察场景和仪器参数，使用过滤器将对象数据转换为检测率。 PROOF（根据ESA-ESOC合同开发的“雷达和光学观测预报程序”）就是这样一种过滤器，因此是模型与测量之间的链接。本文介绍了使用PROOF工具验证MASTER-99碎片群的方面。此外，重点介绍了PROOF的方法及其结果的一致性。在这种情况下表明，建模仪器的灵敏度与两种仪器类型（望远镜和雷达）的测量阈值匹配。为了验证MASTER-99模型，PROOF已被用于模拟最新的TIRA和Haystack束泊实验。比较表明，空间碎片环境的建模在80°倾斜带和900-1000km的高度显示出一些缺陷。对于GEO区域，使用了来自ESA空间碎片望远镜的数据。 PROOF结果表明，MASTER模型中缺少分米大小的GEO对象。

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