News tagged with electrical calibration
Physicists develop unique new calibration tool for radio frequencies
Jun 22, 2009 |
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A scientist from the National Physical Laboratory (NPL) has helped Fluke Precision Measurement to prove the effectiveness of a unique new tool for calibrating radio frequency (RF) devices.
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Self-validating thermocouples based on metal-carbon eutectic fixed points
Oct 02, 2009 |
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When used at high temperatures (above 1100 °C) thermocouples are prone to substantial calibration drift. To gauge the extent of the drift, for example, in an industrial setting, it is highly desirable for ...
New NIST calibration service 'arms' phasors for more reliable power grids
Aug 17, 2007 |
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While the new calibration service for phasor measurement units (PMUs) offered by the National Institute of Standards and Technology sounds like it would appeal to "Star Trek" fans, it’s actually the operators of America’s ...
New method reveals all you need to know about 'waveforms'
Oct 07, 2009 |
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The National Institute of Standards and Technology has unveiled a method for calibrating entire waveforms -- graphical shapes showing how electrical signals vary over time -- rather than just parts of waveforms as is current ...
Concurrent imaging of metabolic and electric signals in the heart
Oct 26, 2009 |
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Cardiac rhythm disorders can result from disturbances in cardiac metabolism. These metabolic changes are tightly linked with specific cardiac electrophysiology (CEP) abnormalities, such as depressed excitability, impaired ...
Researchers develop innovative imaging system to study sudden cardiac arrest
Oct 30, 2009 |
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A research team at Vanderbilt University has developed an innovative optical system to simultaneously image electrical activity and metabolic properties in the same region of a heart, to study the complex mechanisms that ...
R&D 100 Award for new NIST/UMD neutron detector
Jul 10, 2008 |
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A new ultrasensitive, high bandwidth neutron detector developed by the National Institute of Standards and Technology (NIST) and the University of Maryland (UMD) will receive one of this year's "R&D 100 Awards," ...
Sensor Detects Onset of Acute Myocardial Ischemia
Apr 23, 2009 |
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(PhysOrg.com) -- Engineering researchers at the University of Arkansas have fabricated and tested a unique biosensor that measures concentrations of potassium and hydrogen ions in the human heart with high specificity. The ...
SMOS satellite instrument comes alive (w/ Video)
Space & Earth / Space Exploration
Nov 19, 2009 |
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The MIRAS instrument on ESA's SMOS satellite, launched earlier this month, has been switched on and is operating normally. MIRAS will map soil moisture and ocean salinity to improve our understanding of the ...
Novel 'noise thermometry' may help redefine international unit of temperature
Jun 03, 2008 |
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After seven years of work, researchers at the National Institute of Standards and Technology have built a system that relies on the "noise" of jiggling electrons as a basis for measuring temperatures with ...
Large Hadron Collider sends beams in 2 directions
Nov 23, 2009 |
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(AP) -- The world's largest atom smasher made another leap forward Monday by circulating beams of protons in opposite directions at the same time in the $10 billion machine after more than a year of repairs, ...
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