GRADIOMETER

作品数：20被引量：31H指数：4
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Compensation Method of LTS SQUID Gradiometer Data
《Applied Geophysics》2025年第1期132-145,234,共15页Ruidong Hou Ziqi Guo Hua Guo Yanchao Qiao Jianying Liu Jingxin Qin 
Earth Observation and Navigation Special,Research on Low Temperature Superconducting Aeromagnetic Vector Gradient Observation Technology(2021YFB3900201)project;State Key Laboratory of Remote Sensing Science project.
In this paper,we investigate the method of compensating LTS SQUID Gradiometer Systems data.By matching the attitude changes of the pod in fl ight to the anomalies of the magnetic measurement data,we find that the yaw ...
关键词：LTS SQUID MAGNETIC GRADIENT TENSOR measurement MAGNETIC compensation 
Data processing method for aerial testing of rotating accelerometer gravity gradiometer
《中国惯性技术学报》2024年第8期743-752,共10页QIAN Xuewu TANG Hailiang 
中国博士后科学基金资助项目(2020M671287);江苏省博士后科研资助计划项目(2020Z387);山东省自然科学基金面上项目(ZR2020MF089)。
A novel method for noise removal from the rotating accelerometer gravity gradiometer(MAGG)is presented.It introduces a head-to-tail data expansion technique based on the zero-phase filtering principle.A scheme for det...
关键词：airborne gravity gradiometer data processing band-passing filter evaluation function 
Giant magneto-impedance sensor with working point selfadaptation for unshielded human bio-magnetic detection被引量：1
《Virtual Reality & Intelligent Hardware》2022年第1期38-54,共17页Changlin HAN Ming XU Jingsheng TANG Yadong LIU Zongtan ZHOU 
Supported by the China Postdoctoral Science Foundation(4139ZRL);the National Natural Science Foundation of China(U19A2083).
Background Compared with traditional biomagnetic field detection devices,such as superconducting quantum interference devices(SQUIDs)and atomic magnetometers,only giant magneto impedance(GMI)sensors can be applied for...
关键词：Brain-computer interface Biomagnetic detection GMI effect Working point self-adaptation Dual-loop control Magnetic gradiometer Differential noise reduction 
Analysis of limitations on recovery of gravity field based on satellite gravity gradient data被引量：5
《Geodesy and Geodynamics》2021年第1期31-42,共12页Xiaoyun Wan Jinhai Yu Lei Liang Jiangjun Ran Richard Fiifi Annan 
funded by National Natural Science Foundation of China(No.41674026,41404019,41774089);Fundamental Research Funds for the Central University(No.2652018027);China Geological Survey(DD20191006);Open Research Fund of Qian Xuesen Laboratory of Space Technology,CAST(No.GZZKFJJ2020006);Open Research Fund of Key Laboratory of Space Utilization,Chinese Academy of Sciences(LSU-KFJJ201902)
Although satellite gravity gradient data plays a great role in determining short-wavelength part of static gravity field model,accuracy of the long-wavelength part of gravity field model recovered by them are poor,whi...
关键词：Gravity gradients Gradiometer measurement bandwidth Frequency analysis Polar gaps Time-variable gravity field 
A synthetic optically pumped gradiometer for magnetocardiography measurements被引量：5
《Chinese Physics B》2020年第4期215-217,共3页Shu-Lin Zhang Ning Cao 
Project supported by the National Natural Science Foundation of China(Grant No.61701486)。
Magnetocardiography(MCG)measurement is important for investigating the cardiac biological activities.Traditionally,the extremely weak MCG signal was detected by using superconducting quantum interference devices(SQUID...
关键词：optically PUMPED magnetometer(OPM) magnetocardiography(MCG) GRADIOMETER 
100pT/cm single-point MEMS magnetic gradiometer from a commercial accelerometer被引量：1
《Microsystems & Nanoengineering》2020年第1期602-614,共13页Josh Javor Alexander Stange Corey Pollock Nicholas Fuhr David J.Bishop 
This work was supported by the NSF CELL-MET ERC award no.1647837 and a SONY Faculty Innovation Award.
Magnetic sensing is present in our everyday interactions with consumer electronics and demonstrates the potential for the measurement of extremely weak biomagnetic fields,such as those of the heart and brain.In this w...
关键词：ACCELEROMETER MAGNETOMETER EVERYDAY 
Calibration for GOCE Gradiometer Data Based on the Prior Gravity Models被引量：2
《Journal of Geodesy and Geoinformation Science》2019年第4期21-30,共10页Qingliang QU Xiaotao CHANG Shengwen YU Guangbin ZHU 
The determination of the calibration parameters of the gravity gradiometer play an important role in the GOCE gravity gradient data processing.In this paper,the temporal signals and outliers in the GOCE gravity gradie...
关键词：GOCE gravity gradient CALIBRATION scale factor BIAS 
Optimization of pick-up coils for weakly damped SQUID gradiometers
《Chinese Physics B》2018年第5期137-142,共6页Kang Yang Jialei Wang Xiangyan Kong Ruihu Yang Hua Chen 
Project supported by the Key Project of Shanghai Zhangjiang National Innovation Demonstration Zone of the Special Development Fund,China(Grant No.2015-JD-C104-060);the National Natural Science Foundation of China(Grant No.61741122)
The performance of a superconducting quantum interference device（SQUID） gradiometer is always determined by its pick-up coil geometry, such as baseline and radius. In this paper, based on the expressions for the cou...
关键词：superconducting quantum interference device （SQUID） gradiometer spatial resolution dipole sensitivity signal-to-noise ratio 
Translation-invariant wavelet denoising of full-tensor gravity-gradiometer data被引量：4
《Applied Geophysics》2017年第4期606-619,623,共15页Zhang Dai-Lei Huang Da-Nian Yu Ping Yuan Yuan 
supported by the National Key Research and Development Plan Issue(Nos.2017YFC0602203 and2017YFC0601606);the National Science and Technology Major Project Task(No.2016ZX05027-002-003);the National Natural Science Foundation of China(Nos.41604089 and 41404089);the State Key Program of National Natural Science of China(No.41430322);the Marine/Airborne Gravimeter Research Project(No.2011YQ12004505);the State Key Laboratory of Marine Geology,Tongji University(No.MGK1610);the Basic Scientific Research Business Special Fund Project of Second Institute of Oceanography,State Oceanic Administration(No.14275-10)
Denoising of full-tensor gravity-gradiometer data involves detailed information from field sources, especially the data mixed with high-frequency random noise. We present a denoising method based on the translation-in...
关键词：TENSOR gravity gradiometry DENOISING threshold translation-invariant wavelet 
Full magnetic gradient tensor from triaxial aeromagnetic gradient measurements:Calculation and application被引量：6
《Applied Geophysics》2015年第3期283-291,465,共10页骆遥 吴美平 王平 段树岭 刘浩军 王金龙 安战锋 
supported by the National High Technology Research and Development Program of China(863 Program)(No.2013AA063901 and No.2006AA06A201)
The full magnetic gradient tensor （MGT） refers to the spatial change rate of the three field components of the geomagnetic field vector along three mutually orthogonal axes. The tensor is of use to geological mappin...
关键词：Aeromagnetic gradient full magnetic gradient tensor triaxial aeromagnetic gradiometer. tensor invariant 
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