邓文彬,尚海滨,许闯

• 1:新疆大学建筑工程学院测绘工程系
• 2:华中科技大学物理学院/固体地球物理研究所

摘要(Abstract)：

针对重力异常分离的有力工具——小波分析最优小波基获取的研究较少的现状,该文试图通过理论模型实验分析方法,深入探讨小波分解阶数、不同小波基、场源深度变化对重力异常分解的影响。实验结果表明,重力异常多尺度分离的最优小波基为Dmey小波,最佳分解阶数为7阶;当场源深度发生变化时,最优小波基和分解阶数保持不变。

关键词(KeyWords)： 重力异常;小波;多尺度;小波基;分解

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51368056,41504015);; 2016自治区高校科研计划项目(XJEDU2016I015);; 2016新疆大学大学生创新性实验项目(国家级201610755016);; 中国博士后科学基金项目(2015M572146);; 国家测绘地理信息局测绘基础研究基金项目(15-01-08)

作者(Author): 邓文彬,尚海滨,许闯

DOI: 10.16251/j.cnki.1009-2307.2018.04.005

参考文献(References)：

• [1]XU Y,HAO T Y,LI Z W,et al.Regional gravity anomaly separation using wavelet transform and spectrum analysis[J].Journal of Geophysics and Engineering,2009,6(3):279-287.
• [2]GOYAL P,TIWARI V M.Application of the continuous wavelet transform of gravity and magnetic data to estimate sub-basalt sediment thickness[J].Geophysical Prospecting,2014,62(1):148-157.
• [3]FEDI M,QUARTA T.Wavelet analysis for the regional-residual and local separation of the potential field anomalies[J].Geophysical Prospecting,1998,46(5):507-525.
• [4]CHAMOLI A,PANDEY A K,DIMRI V P,et al.Crustal configuration of the northwest Himalaya based on modeling of gravity data[J].Pure&Applied Geophysics,2011,168(5):827-844.
• [5]郭东美,鲍李峰,许厚泽.基于EIGEN-6C2重力场模型反演青藏高原地壳结构[J].地球科学(中国地质大学学报),2015,40(10):1643-1652.(GUO Dongmei,BAO Lifeng,XU Houze.Tectonic characteristics of the Tibetan Plateau based on EIGEN-6C2gravity field model[J].Earth Science(Journal of China University of Geosciences),2015,40(10):1643-1652.)
• [6]杨文采,侯遵泽,于长青.青藏高原地壳的三维密度结构和物质运动[J].地球物理学报,2015,58(11):4223-4234.(YANG Wencai,HOU Zunze,YU Changqing.Three-dimensional density structure of the Tibetan Plateau and crustal mass movement[J].Chinese Journal of Geophysics,2015,58(11):4223-4234.)
• [7]LOU H,WANG C.Wavelet analysis and interpretation of gravity data in Sichuan-Yunnan region,China[J].Acta Seismologica Sinica,2005,18(5):552-561.
• [8]ALP H,ALBORA A M,TUR H.A view of tectonic structure and gravity anomalies of Hatay Region Southern Turkey using wavelet analysis[J].Journal of Applied Geophysics,2011,75(3):498-505.
• [9]HOU Z,YANG W.Multi-scale inversion of density structure from gravity anomalies in Tarim Basin[J].Science China(Earth Sciences),2011,54(3):399-409.
• [10]XU C,WANG H H,LUO Z C,et al.Multilayer stress from gravity and its tectonic implications in urban active fault zone:a case study in Shenzhen,South China[J].Journal of Applied Geophysics,2015,114:174-182.
• [11]XU C,WANG H H,LUO Z C,et al.Insight into urban faults by wavelet multi-scale analysis and modeling of gravity data in Shenzhen,China[J].Journal of Earth Science,2017(2):1-9.
• [12]XU C,LIU Z W,LUO Z C,et al.Moho topography of the Tibetan Plateau using multi-scale gravity analysis and its tectonic implications[J].Journal of Asian Earth Sciences,2017,138:378-386.
• [13]李健,周云轩,许惠平.重力场数据处理中小波母函数的选择[J].物探与化探,2001,25(6):410-417.(LI Jian,ZHOU Yunxuan,XU Huiping.The selection of wavelet generating functions in data-processing of gravity field[J].Geophysical&Geochemical Exploration,2001,25(6):410-417.)
• [14]牟力,陈召曦.重力资料多尺度分析最优小波基的选择[J].物探与化探,2015,39(5):1013-1019.(MOU Li,CHEN Zhaoxi.The optimal choice of wavelet bases in gravity data multi-scale analysis[J].Geophysical and Geochemical Exploration,2015,39(5):1013-1019.)
• [15]骆遥.两种新的长方体重力场正演表达式及其理论推导[J].工程地球物理学报,2008,5(2):210-214.(LUO Yao.New expressions for gravitational attraction of a homogeneous rectangular prism and its deduction[J].Chinese Journal of Engineering Geophysics,2008,5(2):210-214.)
• [16]许闯.多尺度重力反演方法及其在城市活动断层探测中的应用研究[D].武汉:武汉大学,2014.(XU Chuang.Study on multi-scale gravity inverse method and its application to detect urban active faults[D].Wuhan:Wuhan University,2014.)