超导重力梯度勘探系统  

A superconducting gravity gradient exploration system

作　　者：张永明[1] 张贵宾[2] 

机构地区：[1]国家海洋局北海海洋工程勘察研究院,山东青岛266033 [2]中国地质大学,北京100083

出　　处：《勘探地球物理进展》2009年第2期147-151,共5页Progress in Exploration Geophysics

基　　金：国家自然科学基金项目(项目编号:40574045;40234048)资助

摘　　要：超导重力梯度仪具有高灵敏度、高分辨率、性能稳定和宽动力范围等优点,它涉及的学科很多,研发难度相当大。以Maryland大学研制的低温超导重力梯度仪为例,讨论了超导加速度计、超导电路、线性加速度计、角加速度计、低温恒温器等超导重力梯度仪主要构成部件的组成和测量原理,并介绍了其预期的性能和主要的误差源。Superconducting gravity gradiometer has advantages of high sensitivity,high resolution,stable performance,and wide dynamic range.It involves many subjects and has many difficulties to overcome in research and development.Based upon the superconducting gravity gradiometers developed by Maryland University,this paper discussed the components and principles of superconducting accelerometer,superconducting circuit,linear accelerometer,angular accelerometer,cryostat and other components of superconducting gravity gradiometer.The estimated performance and major error sources are introduced.

关 键 词：超导重力梯度仪 超导加速度计 超导电路 低温恒温器 性能 

分 类 号：P631.13[天文地球—地质矿产勘探]