Results 151 to 160 of about 9,249 (208)

Lower Cortical Activation and Altered Functional Connectivity Characterize Passive Auditory Spatial Attention in ASD. [PDF]

Autism Res
Osorio S, Tan J, Levine G, Ahlfors SP, Graham S, Mamashli F, Khan S, Joseph RM, Nayal Z, Losh A, Pawlyszyn S, McGuiggan NM, Hämäläinen MS, Bharadwaj H, Kenet T.   +14 more
europepmc   +1 more source

Phantom-Based Approach for Comparing Conventional and Optically Pumped Magnetometer Magnetoencephalography Systems. [PDF]

Sensors (Basel)
Oyama D, Zaatiti H.
europepmc   +1 more source

Cortical response to proprioceptive stimulation in primary orthostatic tremor - a magnetoencephalography study. [PDF]

Clin Neurophysiol Pract
Edholm KA, Vinding MC, Pfeiffer C, Svenningsson A, Fransén E, Sundgren M, Sjöström H, Edvall N, Lundqvist D, Waldthaler J.   +9 more
europepmc   +1 more source

Influence of the Injection Bias on the Capacitive Sensing of the Test Mass Motion of Satellite Gravity Gradiometers. [PDF]

Sensors (Basel)
Xu H, Lei J, Li D, Li Y, Tao W, Zhang W, Chen M.   +6 more
europepmc   +1 more source

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Magnetoelectric gradiometer

The European Physical Journal B, 2009
Gradiometer resembles in functionality a sensor measuring the magnetic field gradient whose sensitivity is determined the ability to quantify change with respect to base value. Magnetoelectric (ME) gradiometer designed in this study utilizes ME composites with ring-dot piezoelectric transformer structure working near electromechanical resonance, where ...
V. Bedekar, R. A. Islam, H. Kim, M. I. Bichurin, S. N. Ivanov, Y. J. Pukinski, S. Priya   +6 more
openaire   +1 more source

Unidirectional magnetic gradiometers

Journal of Applied Physics, 1980
The response of a magnetic gradiometer to various types of magnetic sources is analyzed. Both semiquantitative and quantitative methods for determining the noise immunity and the spatial sensitivity of the gradiometer are presented. A new class of magnetic gradiometers with unidirectional properties is introduced.
P. Karp, D. Duret
openaire   +1 more source

Superconducting gravity gradiometers

AIP Conference Proceedings, 1978
Two types of superconducting gravity gradiometers have been developed. Both employ superconducting test masses suspended by niobium diaphragms whose motions modulate persistent currents in superconducting loops. A current signal proportional to the gravity gradient is detected by a 19 MHz SQUID.
H. J. Paik, E. R. Mapoles, K. Y. Wang
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Three SQUID gradiometer

Applied Physics Letters, 1993
We have invented a three superconducting quantum interference device (SQUID) gradiometer (TSG) that uses three SQUID magnetometers and a novel feedback method to measure magnetic field gradients. One SQUID, designated the reference SQUID, operates normally except that its feedback loop output is directed to all three SQUIDs through identical ...
R. H. Koch, J. R. Rozen, J. Z. Sun, W. J. Gallagher   +3 more
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A magnetoresistive gradiometer

IEEE Transactions on Magnetics, 1988
A novel magnetoresistive transducer, sensitive to magnetic field gradients, has been analyzed for use as a read transducer in magnetic recording systems. The device uses two thin-film magnetoresistive elements separated by a thin, nonmagnetic insulating layer.
R.S. Indeck, J.H. Judy, S. Iwasaki
openaire   +1 more source

THE GEOMAGNETIC GRADIOMETER

GEOPHYSICS, 1967
The geomagnetic gradiometer is a new geophysical prospecting tool which measures directly the vertical gradient of the earth’s magnetic field and the total field intensity. The system is composed of two simultaneously recording, optically pumped and monitored magnetometer sensors suspended from a helicopter.
Howard A. Slack, Vance M. Lynch, Lee Langan   +2 more
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