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首页> 外文期刊>Journal of Spacecraft and Rockets >Expected Maneuver and Maneuver Covariance Models
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Expected Maneuver and Maneuver Covariance Models

机译：预期机动和机动协方差模型

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摘要

This Note has developed the expected burn and burn covariance associated with a planned, impulsive satellite maneuver with normally distributed errors in magnitude and direction. It has shown that in the case of imperfect pointing, the expected maneuver does not equal the commanded maneuver: it is slightly biased. This bias grows very slowly with the pointing error variance, but for cases in which the variance is large, a method was presented to determine a maneuver command for which the expected result matches the desired result. Most significantly, this Note has rigorously shown that the approximation given by Eq. (38) is justified for use in most mission-planning applications and provides a means of bounding the errors introduced by their use.
机译：本注释已经开发了与计划的脉冲卫星机动相关的预期燃烧和燃烧协方差，其幅度和方向具有正态分布的误差。结果表明，在指向不完美的情况下，预期的操纵与命令的操纵不相等：它略有偏差。该偏差随指向误差的变化而非常缓慢地增长，但是对于方差较大的情况，提出了一种确定预期结果与预期结果相匹配的操纵命令的方法。最重要的是，该注释严格表明了由方程式给出的近似值。 （38）证明可以在大多数任务计划应用程序中使用，并且提供了一种方法来限制因使用它们而引入的错误。

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