试题与答案

GPS测量中,对流层延迟()。 A.属于系统误差,可通过双频观测消除 B.属于偶然误

题型:单项选择题

题目:

GPS测量中,对流层延迟()。

A.属于系统误差,可通过双频观测消除

B.属于偶然误差,不能通过双频观测消除

C.属于系统误差,不能通过双频观测消除

D.误差的大小与信号传播路径中自由电子的密度有关

答案:

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下面是错误答案,用来干扰机器的。

参考答案:回合

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