Sentences with phrase «using radio signals»

The Eindhoven system has so far used the light rays only to download; uploads are still done using radio signals since in most applications much less capacity is needed for uploading.
The network tracks the precise location of every wireless device using its radio signal transmitted in the return direction.
Current Wi - Fi uses radio signals with a frequency of 2.5 or 5 gigahertz.
The new system, dubbed «WiTrack,» uses radio signals to track a person through walls and obstructions, pinpointing her 3 - D location to within 10 to 20 centimeters — about the width of an adult hand.
The GNSS tide gauge uses radio signals from satellites in orbit around Earth that are part of satellite navigation systems like GPS and Glonass (Russia's equivalent of GPS).
Now they're using a radio signal beamed from the top of Sears Tower in Chicago to draw the creatures - and their valuable DNA - to them.

Not exact matches

NASA uses a technique called data sonification to take signals from radio waves, plasma waves, and magnetic fields and convert them into audio tracks to «hear» what's happening in space.
In the end, the committee's advisory report recommended tracking all drones, using a mix of radio and cell tower signals to continuously monitor more sophisticated ones, while less sophisticated drone models could be tracked intermittently through software modifications.
Ultimately, homes will be wired with multiple systems and multiple protocols, using multiple radio signals and sensors.
The Israeli company's sensors use radio frequency signals to create 3 - D scans.
Homes and businesses typically use a router, or some other base station device allowing this mobility by accessing radio signals through the airwaves.
«We have a Signal 7 in Room 229,» Hollywood Fire Rescue units said of 92 - year - old Miguel Antonio Franco, using their code for a deceased person, according to emergency radio calls provided by the audio streaming website Broadcastify.
Older wireless receivers used analog signals, but these are open to interference from other wireless devices like cell phones, cordless land line phones, radios, etc..
Continue with your Shuffle position until the clock strikes 6:00 a.m. Consider using an alarm clock radio or a light with an appliance timer to help signal to your child when it is wake up time.
Distributed computing has been used to find Marsenne Prime Numbers (GIMPS), process radio signals to detect alien trasmissions -LRB-[email protected]-RRB-, or calculate protein foldings -LRB-[email protected]-RRB-.
For more than a decade, scientists at Haystack Observatory have studied plasma plume phenomena using a ground - based technique called GPS - TEC, in which scientists analyze radio signals transmitted from GPS satellites to more than 1,000 receivers on the ground.
Instead of such circuits, an SDR uses digital - signal - processing chips to allow a programmer to define the wave shape of a radio signal, the frequency it uses and the power level.
Ossmann found that using the radio to emit a high - power radar signal causes a reflector to wirelessly transmit the data from keystrokes, say, to an attacker.
He realised that you could use an app to insert a short SOS message into the name field of a phone's Wi - Fi hotspot, too, as these can broadcast a radio signal without requiring internet access.
But the transmitter pinged an hourly signal to an Inmarsat satellite and those radio pulses were used to work out a rough flight path for the missing plane.
With further refinements, he found a way for ships to talk to each other using Morse code — the quintessential pulsed signal — and in 1896, just 21, he traveled to England and set up a radio company, British Marconi.
He had inadvertently been using Earth to propagate a radio signal close to the ground.
We used steel tubes several inches in diameter, with many pounds of propellant, and radios inside so that we could pick up the signal from them.
Underwritten by a $ 26 million donation by Microsoft cofounder Paul Allen, the array currently consists of 42 dishes, each 20 feet in diameter, which can be used to listen for signals from several stars in many different radio bands simultaneously.
Instead of satellites, Locata uses ground - based equipment to project a radio signal over a localised area that is a million times stronger on arrival than GPS.
At the end of the fibre, those signals are broadcast using a radio antenna, providing 3G and Wi - Fi access simultaneously, for instance.
Breakthrough Listen's search for radio signals of extraterrestrial origin is using a new telescope at Green Bank that's vastly bigger and more sensitive.
For this year's solar eclipse, they will observe radio signals using an existing network of GPS receivers in Missouri, and intersperse it with small, cheap GPS receivers that are similar to the kind in most phones.
Originally developed by the US government for military navigation, satellite navigation systems are now widely used by anyone with a GNSS device, such as an in - car SatNav, mobile phone or handheld navigation unit, which can receive the radio signals that the satellites broadcast.
The new system, dubbed radiogenetics, uses a signal, in this case low - frequency radio waves or a magnetic field, to heat or move ferritin particles.
The array began operating in 2007, using low - cost electronics to combine the input from the many radio antennas and to comb through the resulting signal, simultaneously doing conventional radio astronomy and scanning for signals from ET.
Known as a passive communications satellite because it carried no electronics but rather acted as a giant signal reflector, it was used by Bell Labs engineers to successfully bounce telephone, radio and television signals off it.
Four metal contacts in each hemisphere of the globe send radio signals that the pen picks up and uses to triangulate its position.
I borrowed one that could detect signals from 100 kilohertz (kHz), just below the frequency of long - wave radio stations, up to 3 gigahertz (GHz), somewhat above the 2.4 GHz portion of the spectrum used by Wi - Fi connections (see «Radio Ways,» beradio stations, up to 3 gigahertz (GHz), somewhat above the 2.4 GHz portion of the spectrum used by Wi - Fi connections (see «Radio Ways,» beRadio Ways,» below).
In the late 1980s Philippe secured time on a large radio telescope near the Loire Valley and permission to use it as a transmitter of terrestrial signals rather than a receiver of celestial ones.
If the signals generated were transmitted only from the ground, radio astronomers could seek remote sites and use the shielding property of the Earth's curvature or the shelter of hills.
Using the world's largest radio telescope, two astronomers from Swinburne University of Technology in Australia have detected the faint signal emitted by atomic hydrogen gas in galaxies three billion light years from Earth, breaking the previous record distance by 500 million light years.
«The signals are not only weak, but they appear at radio frequencies that are used by communication devices and radars, which generate signals billions of times stronger than the cosmic ones that we are trying to detect.»
The team sent the signals from a 70 - metre radio antenna in Goldstone, California, and recorded the returning signals using the Very Large Array (VLA) of 27 radio telescopes in New Mexico to compile a radar map of Mars.
The same is true when you use a mixer in the kitchen, or a drill, or turn on a fan — unless you're trying to beam radio signals to aliens, pretty much all of the energy you use will end up heating the Earth.
We basically applied signal - processing techniques that have been used in radio signals to understand how synchronized these two signals are.
Teams in the United States, Europe, and Australia hope to see a signal within 2 or 3 years — although the U.S. effort is threatened by plans at the National Science Foundation to defund the two radio telescopes it uses.
It's similar to how GPS uses the timing of satellite signals to determine the position of your cell phone — and it would mean spacecraft would no longer have to rely on radio telescope communications to find their coordinates.
Because the sensor uses the ambient radio - frequency signals that are already around us, it doesn't need a power supply.
They vibrate at the frequency of an FM radio signal, so they could be used for miniaturized communications systems.
The researchers hope to further reduce the size of the device using purpose - built signal processing chips and to connect the aid to the headset with a radio link rather than a wire.
By precisely measuring the orbital movements of MESSENGER using the subtle Doppler frequency shifts of its radio signal, geodesist David Smith of the Massachusetts Institute of Technology in Cambridge and 16 colleagues measured how the pull of gravity varies across Mercury, as the team reports online today in Science.
But now mission controllers must «focus on new classes of science,» the most exciting of which is using Spirit's radio signal to track the motion of Mars both in its orbit and in its spin on its axis.
Using radio telescopes in Spain, France, and Australia, a team headed by researchers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, scanned the LMH for signals in the precise wavelengths that would reveal the presence of more complex molecradio telescopes in Spain, France, and Australia, a team headed by researchers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, scanned the LMH for signals in the precise wavelengths that would reveal the presence of more complex molecRadio Astronomy in Bonn, Germany, scanned the LMH for signals in the precise wavelengths that would reveal the presence of more complex molecules.
In addition to time on the 100 - meter - wide Green Bank Telescope in West Virginia and the 64 - meter Parkes Radio Telescope in New South Wales, Australia, the project will also use the 2.4 - meter Automated Planet Finder Telescope at the Lick Observatory on Mount Hamilton near San Jose, California, to search for possible optical laser signals from another world.
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