When three baselines are used, during the maneuver of the vehicle, the baselines that are nearly orthogonal can estimate the attitude better than other frames of baselines.

当使用三基线的天线阵时，在飞行机动较大的情况下采用近似正交布局的天线结构可以更好地估计姿态。

youdao

As I noted yesterday, the plan is almost impossible to analyze given its lack of specifics and, shall we say, flexible use of budget baselines (it uses at least three).

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