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天体射电的定标
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天体射电的定标
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天体射电的定标
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calibration for radio observation
天体射电的定标
当射电望远镜观测一个射电天体时,它的纪录终端,如射电辐射计、频谱仪、偏振计等记录的是一些无量纲的数据。把这些数据经过校准,变为天文学家所需要天体物理量的过程。
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