Results 61 to 70 of about 52,421 (202)

NMR Detection with an Atomic Magnetometer [PDF]

open access: yesPhysical Review Letters, 2005
We demonstrate detection of NMR signals using a non-cryogenic atomic magnetometer and describe several novel applications of this technique. A water free induction decay (FID) signal in a 0.5 $μ$T field is detected using a spin-exchange-relaxation-free K magnetometer and the possibility of using a multi-channel magnetometer for 3-D MRI requiring only a
Savukov, I. M., Romalis, M. V.
openaire   +3 more sources

Activity Recognition Invariant to Wearable Sensor Unit Orientation Using Differential Rotational Transformations Represented by Quaternions

open access: yesSensors, 2018
Wearable motion sensors are assumed to be correctly positioned and oriented in most of the existing studies. However, generic wireless sensor units, patient health and state monitoring sensors, and smart phones and watches that contain sensors can be ...
Aras Yurtman   +2 more
doaj   +1 more source

Nuclear quantum-assisted magnetometer [PDF]

open access: yesReview of Scientific Instruments, 2017
Magnetic sensing and imaging instruments are important tools in biological and material sciences. There is an increasing demand for attaining higher sensitivity and spatial resolution, with implementations using a single qubit offering potential improvements in both directions.
Thomas Häberle   +7 more
openaire   +4 more sources

Magnetometer Sensor Body Tests [PDF]

open access: yes, 2021
Magnetometer Sensor Body Tests at NTSLhttps://scholarsjunction.msstate.edu/ua-photo-collection/7143/thumbnail ...

core  

Apollo 12 Lunar Surface Magnetometer anomalies description. [PDF]

open access: yes, 1970
There have been four significant anomalies associated with the Apollo 12 magnetometer during the last six months of operation. All four anomalies occurred early in the mission and three have reoccurred during each day-night cycle of the moon.

core  

Lunar Portable Magnetometer reliability and quality assurance plan [PDF]

open access: yes, 1970
Sets forth the Reliability and Quality Assurance (R&QA) activities to be implemented during the development, fabrication, and testing of the Lunar Portable Magnetometer experiment.prepared by George E.
DeYoung, George E.
core  

Hypervelocity dust particle impacts observed by the Giotto Magnetometer and Plasma Experiments [PDF]

open access: yes, 1990
We report thirteen very short events in the magnetic field of the inner magnetic pile‐up region of comet Halley observed by the Giotto magnetometer experiment together with simultaneous plasma data obtained by the Johnstone plasma analyzer and the ion ...
Glassmeier, KH   +5 more
core  

Magneto-Inertial Integrated Navigation System Design Incorporating Mapping and Localization Using Concurrent AC Magnetic Measurements

open access: yesIEEE Access, 2019
A new artificially generated magnetic-field-based alternative navigation technique is investigated for achieving seamless navigation in non-line-of-sight (NLOS) environments where satellite navigation is unavailable, and where vision, lidar, and other ...
Byungjin Lee   +3 more
doaj   +1 more source

Membrane optomechanical magnetometer

open access: yesOptics Express
We demonstrate an optomechanical magnetometer where a high- Q membrane mechanical resonator responds to the magnetic-field-induced deformations of two magnetostrictive materials and is monitored by a two-beam Fabry-Perot cavity.
Qiang Zhang   +4 more
openaire   +2 more sources

SMILE - A miniaturized fluxgate magnetometer

open access: yes, 2007
The SMILE (Small Magnetometer in Low-mass Experiment) instrument is a miniaturized digital fluxgate magnetometer that combines a miniature triaxial sensor with volume compensation with digital data processing implemented in a single FPGA.
Alaniz, M.   +5 more
core   +4 more sources

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