By applying the formula, which transforms a terrestrial vector to its local (station) coordinate system, the orientations of the marginal displacement vector detectable by GPS can be determined.
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- 将边际位移向量视为空间二点间的向量,依三维大地测量学坐标转换理论,可迳求出边际位移向量的方位角及其天顶距,进而算出其东、西二方向的分量。