نتایج جستجو برای: magnetometer calibration
تعداد نتایج: 59146 فیلتر نتایج به سال:
Respiratory magnetometers are increasingly being used in sleep studies to measure changes in end-expiratory lung volume (EELV), including in obese obstructive sleep apnea patients. Despite this, the accuracy of magnetometers has not been confirmed in obese patients nor compared between sexes. Thus we compared spirometer-measured and magnetometer-estimated lung volume and tidal volume changes du...
Models of the geomagnetic field rely on magnetic data high spatial and temporal resolution. The from low-Earth orbit satellites dedicated survey missions such as CHAMP Swarm play a key role in construction models. Unfortunately, there are no after end 2010 before launch late 2013. This limits our ability to recover signals timescales 3 years less during this gap period. platform magnetometers c...
The personal navigator (PN) prototype, developed at The Ohio State University Satellite Positioning and Inertial navigation (SPIN) Laboratory, integrates GPS, tactical grade inertial measurement unit (IMU), digital magnetometer compass, digital barometer, and uses a human locomotion model to support dead reckoning (DR) navigation for rescue work, security and emergency services, police safety a...
Magnetometers provide compass information, and are widely used for navigation, orientation and alignment of objects. As magnetometers are affected by sensor biases and eventually by systematic distortions of the Earth magnetic field, a calibration is needed. In this paper, a method for calibration of magnetometers with three Global Navigation Satellite System (GNSS) receivers is presented. We p...
We report on the design and performance of a highly sensitive combined He/Cs magnetometer for the absolute measurement of magnetic fields. The magnetometer relies on the magnetometric detection of the free spin precession of nuclear spin polarized He gas by optically pumped cesium magnetometers. We plan to deploy this type of combined magnetometer in an experiment searching for a permanent elec...
We disclose a method to obtain the transverse light-shift along probe light of single-axis alkali metal-noble gas co-magnetometer. The relationship between compensating field and is deduced through steady-state solution Bloch equations. variety intensity used residual magnetic field, step modulation tests are applied acquire total spin-relaxation rate electron spins self-compensation point. Fin...
The Mobile Asteroid Scout (MASCOT) is a small lander on board the Hayabusa2 mission of the Japan Aerospace Exploration Agency to the asteroid 162173 Ryugu. Among the instruments on MASCOT is a fluxgate magnetometer, the MASCOT Magnetometer (MasMag). The magnetometer is a lightweight (∼ 280 g) and low power (∼ 0.5 W) triaxial fluxgate magnetometer. Magnetic field measurements during the landing ...
We summarize here the main practical results obtained in the Institute of Electronics at the Bulgarian Academy of Sciences under the project: “New alloptical systems and methods for magnetic and electromagnetic field measurement”, financed by EC (contract G6RD-CT-2001-00642). The project Consortium consists of the following partners: Department of Physics, University of Siena, Italy, Project Co...
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