gradiometer


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gradiometer

(ˌɡrædɪˈɒmɪtə)
n
1. (General Physics) physics an instrument for measuring the gradient of a magnetic field
2. (Surveying) surveying an instrument used to ensure that a long gradient remains constant
References in periodicals archive ?
It provides deeper measurement (hippocampus and hypothalamus), clearer signal using coaxial gradiometer sensors and greater patient comfort for better data acquisition.
The Falcon Full Spectrum solution from CGG Multi-Physics deploys its exclusive Falcon gravity gradiometer with its newly released sGrav gravity system to obtain a high-accuracy gravity signal over a broad bandwidth, significantly improving imaging at depth and increasing spatial resolution for near-surface geology.
AM Broadcast Band Radio Gradiometer (AMG) Subsurface Utilities Made Visible Again
The new gravity data onboard the joint NASA-German Aerospace Center GRACE gravimeter mission and the European Space Agency's GOCE gravity gradiometer mission enabled scientists to build global gravity field models with unprecedented accuracy and resolution, which improved our understanding of the crustal structure.
We can spend $30 million developing a Falcon gravity gradiometer, but it doesn't change the search space.
It consists of a vector magnetometer and gradiometer to measure the surface magnetic field and its temporal variations in this static precursory mission.
We used 204 gradiometer signals among the 306 channels for data analysis because the characteristics of the gradiometer and magnetometer sensors differ and the signal-to-noise ratio (SNR) of the gradiometers is better than that of the magnetometers [24].
A geophysical investigation was undertaken in 2013 using ground penetrating radar, a fluxgate dual sensor gradiometer and metal detector to identify footings or soil disturbance.
Operators of the machine - a fluxgate gradiometer -had to remove all items of metal before starting the work, so findings were not distorted.
This instrument was used with two sensors (in vertical gradiometer mode).
In order to achieve the mission objectives, GOCE satellite is equipped with a high-precision gravity gradiometer as well as a GPS receiver (ESA, 1999).
CG mobilised its vessel, Surveyor 2, for the works and deployed a variety of sensors including a Geoswath system, a Seapsy gradiometer, a Geoacoutics sub-bottom profiler and a boomer system.