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高斯投影坐标正反算

于 2023-05-20 发布 文件大小:1.08 MB
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正反算的实质 正算公式是将大地坐标(B,L)求解高斯平面坐标(X,Y),反算公式是将高斯平面坐标(X,Y)求解大地坐标(B,L) 高斯投影的特点 (1)投影后中央子午线为直线,长度不变形,其余经线投影对称并且凹向于中央子午线,离中央子午线越远,变形越大。 (2)赤道的投影也为一直线,并与中央子午线正交,其余的经纬投影为凸向赤道的对称曲线。 (3)经纬投影后仍然保持相互垂直的关系,投影后有角度无变形。

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