向下延拓(downward continuation)是根据在某一水准面上的位场(例如重力场)测量值确定较低水准面上的位场值的过程。
Aeromagnetic data downward continuation to sea level instead of marine magnetic survey data can improve use capability of survey data.
采用航磁数据向下延拓到海面代替船测数据,可提高磁力测量成果的综合利用率。
参考来源 - 利用航磁数据向下延拓得到海面磁场的方法·2,447,543篇论文数据,部分数据来源于NoteExpress
对于向下延拓更完善的论述所需要的数学已越出本书的范围。
The mathematics required for more sophisticated treatment of downward continuation is beyond the level of this book .
然后利用这些方法对中国大同航空重力测量数据进行向下延拓计算。
The downward continuation computation for real airborne gravity data in the Datong region of China is performed by means of these methods.
采用航磁数据向下延拓到海面代替船测数据,可提高磁力测量成果的综合利用率。
Aeromagnetic data downward continuation to sea level instead of Marine magnetic survey data can improve use capability of survey data.
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