News tagged with background signal
A Forceful New Method to Sensitively Detect Proteins
Mar 13, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- Scientists at the Naval Research Laboratory recently reported the detection of toxins with unprecedented speed, sensitivity, and simplicity. The approach can sense as few as a few hundred molecules in a drop ...
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Reduced noise allows clearer mobile phone conversations
Feb 19, 2008 |
1 / 5 (1) |
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Dutch researcher Richard Hendriks investigated how background noises can be suppressed in order to provide better sound quality in applications such as mobile phones and hearing aids.
NASA Balloon Mission Tunes in to a Cosmic Radio Mystery
Space & Earth / Space Exploration
Jan 07, 2009 |
4.6 / 5 (17) |
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(PhysOrg.com) -- Listening to the early universe just got harder. A team led by Alan Kogut of NASA's Goddard Space Flight Center in Greenbelt, Md., today announced the discovery of cosmic radio noise that ...
Fermilab collider experiments discover rare single top quark
Mar 09, 2009 |
4.9 / 5 (22) |
8
(PhysOrg.com) -- Scientists of the CDF and DZero collaborations at the Department of Energy's Fermi National Accelerator Laboratory have observed particle collisions that produce single top quarks. The discovery ...
Researcher 'Shows the Voice' in Swallowing Disorders
Oct 28, 2009 |
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(PhysOrg.com) -- Using his background in aerospace engineering and signal processing, a UC researcher is finding new ways to help physicians listen to their patients: by teaching them to look at the signal, ...
Twinkling Nanostars Improve Optical Imaging of Tumors
Nanotechnology / Bio & Medicine
Sep 25, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Researchers at Purdue University have created magnetically responsive gold nanostars that may offer a new approach to biomedical imaging. The nanostars gyrate when exposed to a rotating magnetic field and ...
Audio Watermarking Technique Could Locate Movie Pirates
Feb 26, 2009 |
1.6 / 5 (9) |
15
(PhysOrg.com) -- Camcorder piracy - which occurs when moviegoers bring a camcorder into a theater to record a movie from the screen - is a rapidly growing illegal activity. In the US, camcorder piracy has ...
Polarizers may enhance remote chemical detection
Chemistry / Analytical Chemistry
Mar 11, 2009 |
5 / 5 (1) |
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Chemists can analyze the composition of a suspected bomb -- without actually touching and possibly detonating it -- using a technique called laser-induced breakdown spectroscopy, or LIBS. The tool is also commonly used for ...
Lizards 'Shout' Against a Noisy Background
Biology /
Feb 21, 2007 |
4.5 / 5 (4) |
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Lizards that signal to rivals with a visual display "shout" to get their point across, UC Davis researchers have found.
Rising above the din: Attention makes sensory signals stand out amidst the background noise in the brain
Sep 23, 2009 |
4.5 / 5 (2) |
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The brain never sits idle. Whether we are awake or asleep, watch TV or close our eyes, waves of spontaneous nerve signals wash through our brains. Researchers at the Salk Institute for Biological Studies studying visual attention ...
Left brain helps hear through the noise
Nov 15, 2007 |
4 / 5 (3) |
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Our brain is very good at picking up speech even in a noisy room, an adaptation essential for holding a conversation at a cocktail party, and now we are beginning to understand the neural interactions that underlie this ability. ...
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