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基于梯度数据的远海日变处理方法

A Diurnal Correction Method for Far Sea Magnetic Survey Based on Gradient Data
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摘要 岸台日变站控制范围有限,海底日变站布放和回收困难、安全无法保证,远海区开展磁力测量面临着日变改正的技术瓶颈。研究海洋磁力梯度测量原理及梯度数据特点,首次提出同步测点的概念,建立了一套严密计算模型,可为每条测线重构日变改正。 Because of coast diurnal station beyond control area and seabed diurnal station difficult to place and recover with low security guaranty,marine magnetic survey far beyond the sea is faced with a challenge of diurnal correction problem. The principle of marine magnetic gradient survey and its data characteristics are researched,and a new concept termed as simultaneous survey point is first presented,and a set of precise mathematic model are accordingly produced to calculate diurnal correction alone every survey line.
出处 《物探与化探》 CAS CSCD 2015年第B12期63-66,共4页 Geophysical and Geochemical Exploration
基金 国家自然科学基金项目(41374018 41404001 41476087)
关键词 远海磁力测量 日变改正 磁力梯度 同步测点 数学模型 marine magnetic survey far beyond the sea diurnal correction magnetic gradient simultaneous survey point mathematic model
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