旋转式重力梯度测量系统试验及数据处理  

Experiment and data processing for rotating gravity gradient measurement system

作　　者：李海兵[1] 郭刚[1] 周坚鑫[2] 马存尊[1] 丁昊[1] LI Hai-bing GUO Gang ZHOU Jian-xin MA Cun-zun DING Hao(Beij ing Aerospace Control Device Institute, B eij ing 100039, China China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China)

机构地区：[1]北京航天控制仪器研究所,北京100039 [2]国土资源航空物探遥感中心,北京100083

出　　处：《中国惯性技术学报》2016年第6期736-740,共5页Journal of Chinese Inertial Technology

基　　金：国家高技术研究发展计划(863计划)(2011AA060506);航空地球物理探测技术及实用化仪器研发计划项目(科[2012]01-045-008);民用航天专业技术预先研究(D010101);科技部对外科技合作专项;中国航天科技九院创新基金

摘　　要：旋转式重力梯度测量系统采用旋转调制方式求取重力梯度信息。首先,从旋转加速度计的基本原理出发,给出了重力梯度测量系统的主要工作模式;其次,构建了旋转加速度计重力梯度测量系统组成和主要功能模块,提出了采用引力产生装置开展实验室引力梯度测量的试验方案;最后,给出了旋转加速度计重力梯度测量系统的静态梯度试验验证基本条件、试验设备,并开展了重力梯度测量试验。试验结果表明,旋转式重力梯度测量系统在实验室条件下完成引力梯度试验,该系统可以检测优于200 Eu(1 Eu=10^(-9)/s^2)的引力梯度,该系统开展的试验验证为动态重力梯度仪的研制奠定了基础。This rotating gravity gradient measurement system adopts a rotating modulation mode to measure the gravity gradient tensor.First, the operation mode of the gravity gradient measurement system is presented according to the operation principal of the rotating accelerometer gravity gradiometer.Then, the gravity gradient measurement system, its main subsystems and their main functions are introduced, and the gravity gradient test scheme is proposed, which uses gravitation generating device to carry out laboratory gravitation gradient measurement.Finally, its test algorithm is derived, and the static gravitation gradient test experiment devices and conditions in laboratory are given.The gravitation gradient tests are conducted, which show that the detection accuracy of the proposed system is better than 200 Eu（1 Eu=10^（-9）/s^2）.The experiment verifica-tion by the proposed system lays a foundation for the development of the dynamic gravity gradiometer.

关 键 词：重力梯度仪 高精度加速度计 引力产生装置 重力梯度试验 旋转调制 

分 类 号：U666.1[交通运输工程—船舶及航道工程]