News tagged with analog signals


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Search results for analog signals


'Volume dial' neurone may aid spinal disease

Medicine & Health / Neuroscience

created Dec 11, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Scottish researchers have discovered a new class of neuron that may lead to new therapies for spinal injury.


Digital avalanche rescue dog

Technology / Engineering

created Dec 01, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A novel geolocation system makes use of signals from Galileo, the future European satellite navigation system, to locate avalanche victims carrying an avalanche transceiver or a cellphone, to the precision ...


Explained: The Discrete Fourier Transform

Explained: The Discrete Fourier Transform

Other Sciences / Mathematics

created Nov 25, 2009 | popularity 4.2 / 5 (36) | comments 8

(PhysOrg.com) -- In 1811, Joseph Fourier, the 43-year-old prefect of the French district of Isčre, entered a competition in heat research sponsored by the French Academy of Sciences. The paper he submitted ...


New device implanted by surgeons help paralyzed patients breathe easier

Medicine & Health / Research

created Nov 25, 2009 | popularity not rated yet | comments 0

Physicians at UT Southwestern Medical Center soon will begin implanting a new device designed to improve breathing in patients with upper spinal-cord injuries or other diseases that keep them from breathing independently.


Scent signals stop incest in lemurs

Biology / Evolution

created Dec 02, 2009 | popularity not rated yet | comments 0

Chemical identifiers secreted from the genital glands of lemurs, allow them to avoid incest and also to engage in nepotism. Researchers writing in the open access journal BMC Evolutionary Biology have identified the smells ...


Research sheds new light on epilepsy

Medicine & Health / Research

created Nov 30, 2009 | popularity 5 / 5 (1) | comments 1

Pioneering research using human brain tissue removed from people suffering from epilepsy has opened the door to new treatments for the disease.


Study sheds light on brain's fear processing center

Medicine & Health / Research

created Nov 25, 2009 | popularity 5 / 5 (3) | comments 1

Breathing carbon dioxide can trigger panic attacks, but the biological reason for this effect has not been understood. A new study by University of Iowa researchers shows that carbon dioxide increases brain acidity, which ...


How do you improve mammogram accuracy? Add noise

Technology / Computer Sciences

created Dec 22, 2009 | popularity 5 / 5 (1) | comments 0

Members of a Syracuse University research team have shown that an obscure phenomenon called stochastic resonance (SR) can improve the clarity of signals in systems such as radar, sonar and even radiography, used in medical ...


Appetite, consumption controlled by clockwork genes at cross-purposes in flies

Biology / Biotechnology

created Dec 06, 2009 | popularity not rated yet | comments 0

One of the pioneers in research on sleep:wake circadian genes, Amita Sehgal, Ph.D., has discovered that fruit flies' appetite and consumption are controlled by two rival sets of clocks, one in neurons and the other in the ...


Closing in on dark matter?

Physicists detect two candidate dark matter interactions, but say the data are not conclusive

Physics / General Physics

created Dec 18, 2009 | popularity 4.1 / 5 (16) | comments 6

(PhysOrg.com) -- Scientists have spent decades searching for the elusive material known as dark matter, which is believed to make up 25 percent of the universe. On Thursday, Dec. 17, a team of physicists including ...



List of search results for analog signals