摘要
本文首次开展了实测梯度数据的延拓转换处理方法的研究,首先利用理论公式推导证明实测的梯度数据进行延拓转换处理的可行性,并设计了单一理论模型,绘制了梯度上延数据及ΔT上延后求导的理论平面剖面曲线图,定性分析两者的一致性程度;同时设计了复杂模型体群,开展了梯度数据进行延拓转换处理后的数据解释规律的研究,梯度数据的主要目的是突出浅部异常体,其上延处理的意义则是相对于较深部异常体更能突出浅部异常体,同时实测的梯度数据进行延拓后的结果相比于ΔT异常求导后再上延的结果更接近于真实的情况等结论.同时利用实测的两个不同飞行高度的梯度数据,针对利用模型得出的规律性结论进行实例验证,并分析该规律的应用思路.
In this paper, for the first time to study the upward continuation of the measured gradient data, Using theoretical formula proves measured gradient data can do with the method of upward continuation , I have designed a single model, Draw the theory of plane profile of the data of gradient upward continuation and the data of △T upward continuation with gradient, To prove the correctness of the theoretical formulas are deduced, at the same time design some models, do the regular study of gradient interpretation with the upward continuation method, come to a conclusion that the method of upward continuation can justify the shallow geological body, suppress the deep geological bodies, and the results of the data of gradient upward continuation can get the more close to the real situation and conclusion, according to the data of two different flight altitude gradient data, To prove the correctness of the model law of the conclusion.
出处
《地球物理学进展》
CSCD
北大核心
2015年第3期1214-1223,共10页
Progress in Geophysics
基金
国家高技术研究发展计划(863)(2013AA063901)
地质调查项目(12120113099000)共同资助
关键词
梯度
延拓
规律性
研究
gradient
upward continuation
regular
study
