评估当前天气预报在空间调查规划任务中的影响

Petr E. Rozin, Yuri A. Smolyaninov
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引用次数: 0

摘要

本文致力于规划一组不同类型的地球遥感航天器的工作的实际任务。提出了一种求解不同类型航天器规划问题的扩展算法。放大算法的结果以一组类似航天器的参考计划的形式寻求,通过消除一些重置传感数据的冲突操作来减少。已制订计划的特点在很大程度上取决于用来说明云量影响的方法。本文探讨了利用从互联网下载的水文气象中心当前天气预报文件作为一种特殊应用程序的可能性。创建的应用程序正在对从美国服务器下载的水文气象中心的真实数据进行测试,该数据覆盖了很大的区域,包括欧亚大陆的欧洲部分和非洲的部分。一个模拟区域内点分布的应用程序估计被弱云覆盖(20%或更少)的点的数量。仿真结果表明,可用于射击的点的比例在1 / 4 ~ 1 / 3之间。根据得到的定量估计,考虑云层的影响从根本上改变了只考虑光照计算的参考平面图,并影响了扩大规划算法的结构。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessment of the impact of current weather forecasts in the task of space survey planning
The article is devoted to the actual task of planning the work of a group of different types of spacecraft for remote sensing of the Earth. An enlarged algorithm for solving the planning problem for different types of spacecraft is described. The result of the enlarged algorithm is sought in the form of a set of reference plans for groups of similar spacecraft, thinned out by removing some of the conflicting operations of resetting the sensing data. The characteristics of the developed plans largely depend on the methodology used to account for the impact of cloud cover. The possibility of implementing a methodology based on the use of files of current weather forecasts of hydrometeorological centers downloaded from the Internet in the form of a special application is investigated. The created application is being tested on the real data of the hydrometeorological center downloaded from the American server, which covers a large region, including the European part of Eurasia and part of Africa. An application that simulates the distribution of points within a region estimates the number of points covered by weak cloud cover (20% or less). Based on the results of the simulation, it was found that the proportion of points available for shooting lies in the range from about a quarter to a third. Based on the obtained quantitative estimates, it is concluded that taking into account the influence of cloud cover radically changes the reference plans calculated taking into account only illumination, and affects the structure of the enlarged planning algorithm.
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