gradiometer


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gradiometer

[‚grād·ē′äm·əd·ər]
(engineering)
Any instrument that measures the gradient of some physical quantity, such as certain types of magnetometers which are designed to measure the gradient of magnetic field, or the Eötövs torsion balance and related instruments which measure the gradient of gravitational field.
References in periodicals archive ?
However, HSARPA is putting its money into an airborne gradiometer, which can measures slight anomalies in slopes or earth.
Aeromagnetic total field, gradiometer and VLF-EM survey of the Cobequid Highlands, Nova Scotia.
Army contract to develop a gradiometer to be used in detecting landmines and unexploded ordnance.
We have successfully applied this technique to an archaeological case study in Ross County, Ohio using Geoscan's FM36 fluxgate gradiometer to measure near surface deviations in the earth's magnetic field.
As its main conclusion, Sproule's report confirms the exploration potential of Block 2A and supports existing plans to further delineate these leads as proposed with additional passive micro-seismic, 2D or 3D seismic, and gravity gradiometer surveys.
The objective is to develop to TRL 4 an ultra-stable laser diode drive source as required for driving ultra-coherent lasers employed in cold 87Rb atom gradiometer.
The extent of the site--around four hectares--was delineated by coring, field walking and a gradiometer survey.
The Company also recently completed a helicopter borne Versatile Time Domain Electromagnetic (VTEM Plus) and Horizontal Magnetic Gradiometer Geophysical Survey with excellent results.
Brett, a Field Operator from California, will be working at various worldwide field locations acquiring, processing and checking quality of Bell Geospace's Full Tensor Gravity Gradiometer data before transmitting to one of Bell Geospace's bases in Houston or Aberdeen for further analysis.
The spacecraft carries three pairs of precision-built platinum blocks inside its gradiometer instrument that sense accelerations which are as small as 1 part in 10,000,000,000,000 of the gravity experienced on Earth.
The new proprietary multi-axis Gedex High Definition Airborne Gravity Gradiometer (HD-AGG(TM)), which is expected to be a breakthrough airborne survey technology, is already gaining international recognition from major resource companies seeking enhanced refinement and effectiveness in exploring for precious metals, minerals, and oil and gas.