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首页> 外文期刊>Journal of Spacecraft and Rockets >Flyby Error Analysis Based on Contour Plots for Cassini Tour
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Flyby Error Analysis Based on Contour Plots for Cassini Tour

机译：基于轮廓图的卡西尼游Flyby误差分析

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The maneuver cancellation analysis consists of cost contour plots employed by the Cassini maneuver team. Thenplots are two-dimensional linear representations of a larger six-dimensional solution to a multimaneuver,nmultiencounter mission at Saturn. This realization and the use of the tool itself is just one of the many significantnengineering achievements that have come fromtheCassini project.After inserting the cost contour capabilitywith annenhancement (taking account of asymptote changes), a tool that was originally only used for analysis could be usednfor operations once the accuracy of the plots was determined to be acceptable for operations. The plots have beennused extensively since the enhancement. By using contours plotted in theBplanewithB u0001 RandB u0001 T components, itnis possible to view the effects on u0001V for various encounter positions in the B plane. The plot is used in operations tonhelp determine if the approach maneuver (ensuing encounter minus three days) and/or the cleanup maneuvern(ensuing encounter plus three days) can be cancelled and is a linear check of an integrated solution. The plots havenalso been used to bias the targets of encounters to save u0001V.
机译：机动取消分析包括卡西尼机动团队采用的成本等高线图。然后，图是土星多机动，多遭遇任务的较大六维解决方案的二维线性表示。工具本身的实现和使用只是卡西尼项目取得的许多重大工程成就之一。插入具有增强效果的成本等值线功能后（考虑了渐近线的变化），可以使用原本仅用于分析的工具一旦确定了绘图的准确性对于操作而言是可接受的。自增强以来，这些地块已被广泛使用。通过使用在B平面中具有B u0001 RandB u0001 T分量绘制的轮廓，可以查看B平面中各种相遇位置对u0001V的影响。该图用于操作tonhelp以确定是否可以取消进场机动（随后遭遇减去三天）和/或清理机动行动（随后遭遇三天），并且该操作是对集成解决方案的线性检查。该图还被用于偏见相遇的目标以节省u0001V。

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