By establishing mathematical models, the attitude drift of the uncontrolled spin satellite is numerically simulated, and the simulated results are compared with the telemetry data.

建立数学模型，对无控条件下自旋卫星的姿态漂移情况进行数学仿真分析，并与实测结果进行比对。

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The state equations of the system are established on the basis of the relation between attitude error quaternion and the gyro drift.

本文以姿态误差四元数与陀螺漂移误差之间的关系为基础，构建了系统状态方程；

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The measurement error of vehicle's attitude caused by the drift of platform reference is also analyzed.

对由于惯性基准的漂移而引起的载体姿态角的测量误差也进行了分析。

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There would be no drift, no inertia, no "I'll do it tomorrow" attitude, which would only rack up the costs of fixing it later.

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