Sentences with phrase «radar signals»

"Radar signals" refers to the electronic waves that are emitted and received by radar systems to detect and track objects in their surrounding area. Full definition
In disaster scenarios, the use of radar signals can be particularly complex.
The process of converting radar signals to sea level is exceptionally complex and long - term biases entering that process product long - term systematic errors.
Butler and two colleagues, Duane Muhleman of the California Institute of Technology and Martin Slade of the Jet Propulsion Laboratory, both in Pasadena, discovered Stealth by bouncing radar signals off Mars in 1988, when the planet's orbit brought it unusually close to the Earth.
The altimeter measures sea surface height by bouncing radar signals off the ocean and timing their echo.
An apparent drop in wind speed near the center of the storm is probably due to attenuation of the satellite's radar signal by rain.
In 1991, John Harmon of the National Astronomy and Ionosphere Center in Arecibo, Puerto Rico, and Martin Slade of the Jet Propulsion Laboratory in Pasadena, California independently discovered that Mercury's polar regions reflected radar signals very strongly.
Developed by scientist Jussi Leinonen of NASA's Jet Propulsion Laboratory in Pasadena, California, the model provides a better understanding of how snow melts can help scientists recognize the signature in radar signals of heavier, wetter snow — the kind that breaks power lines and tree limbs — and could be a step toward improving predictions of this hazard.
Ice - penetrating radar works by sending radar signals into the ice and recording the strength and return time of reflected signals.
The technology works by beaming microwave radar signals into the piles of debris and analyzing the patterns of signals that bounce back.
It relies on microwave radar signals to detect motion by analyzing the resulting patterns that arise when signals...
While conventional Brake Assist only provides full brake assist when triggered by the speed of brake pedal application (suggesting an emergency braking situation), Brake Assist Plus also considers the closing speed of the vehicle ahead based on radar signals from the Distronic Plus system.
Designed diagnostic programs to allow bench testing on the AN / SSQ Combat Simulation Test System VME 9U based RADAR Signal Simulation and interface cards.
By bouncing radar signals beneath and around a car, hardware - equipped Model S and Model X are able to see two cars ahead, thereby improving the vehicle's reaction time to heavy braking events.
The Large Animal Detection System (LADS) sends out a 360 - degree radar signal every second, then monitors the reflections to work out what animals are there.
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.
In aeroplane radar surveys, researchers fly over the ice, pinging radar signals downwards and measuring how they bounce off the interface between the ice and the bedrock.
Radar signals pass through each ice layer, gauging its depth.
The most surprising features of the image are the fainter line running parallel to the skiway and the cluster of bright radar signals that appear between it and the skiway.
These views, says Butler, confirm that Stealth absorbs radar signals, He also found a Stealth - like zone of some 200 000 square kilometres in the southern hemisphere of Mars.
Radar studies of volcanic ash fields in Kilauea in Hawaii and in the Galapagos Islands have shown that these materials reflect radar signals only very weakly.
At altitudes of more than 3 kilometres above the planet's plains, Venusian mountains reflected Magellan's radar signals much more strongly than ordinary rocks, just as if they were covered by ice.
To make these images, a continuous radar signal was sent from the transmitter at Goldstone to the asteroid.
These were consistent with patches of ice, because ice provides a smooth surface that reflects the telescopes» radar signals well.
The relatively warm ice and rough surfaces of outlet glaciers weaken and scatter radar signals, making the bed difficult to detect.
On May 3, 2007, team of astronomers (including Jean - Luc Margot; Stan Peale; Igor V. Holin; Raymond F. Jurgens; and Martin A. Slade) announced new evidence that Mercury has a partially molten core using new observations of fluctuations in Mercury's spin obtained with radar signals bounced off the planet from Earth (with the 305 - meter Arecibo, the 34 - meter Goldstone, and the 100 - meter Robert C. Byrd Green Bank radio telescopes).
Passing over at an altitude of about 400 miles, the spacecraft bounces mapping radar signals off the polar region to produce a complete image every three days.
Israel's «Harpy» antiradar missile, which detects enemy radar signals and destroy targets with a high explosive warhead;
Research and development in various projects including non-thermal plasma microbial sterilization, bioheat transfer, nonionizing radiation bioeffects, statistical analysis, radar signal detection, neural simulation system identification, bioagent detection and dose estimation, evoked potential signal acquisition and analysis, biological weapons countermeasures, stereo x-ray image analysis of printed circuit boards, electros...
The researchers used radar signals bounced off the ground by satellites that measure how long the pulses take to return to space.
SIX years ago, radio astronomers discovered an area of about a million square kilometres on the equator of Mars that does not reflect radar signals.
A better understanding of how snow melts can help scientists recognize the signature in radar signals of heavier, wetter snow — the kind that breaks power lines and tree limbs — and could be a step toward improving predictions of this hazard.
MIT's Millstone Hill Observatory's radar station in Westford, Massachusetts bounced radar signals off orbiting spacecraft for the 43 - meter to receive.
To see what lay beneath the Venusian clouds, astronomers at Arecibo sent radar signals to Venus.
Musk says a software update will make «major improvements» to Autopilot, including more advanced processing of radar signals.
So instead of bouncing radar signals off aircraft, ADS - B uses GPS signals to continuously broadcast a plane's identity, ground position, altitude and velocity to networks of ground stations and other nearby aircraft.
If you look at the graph below, you can see that the line jumped after a steam move (shown by the radar signal) was placed on the Vikings on Thursday.
The satellite's radar signal should bounce back from shiny surfaces like water.
Radar signals bounced off a crater on the moon's south pole by the US Clementine spacecraft in 1994 hinted at the presence of water ice.
Key to understanding the nature of the channels was the way Cassini's radar signal reflected off the bottoms of the features.
Radar signals were routinely reflected off rough, angled features such as sand dunes, cliffs and rocks, but when radar reached Titan's polar regions, regular signals ceased.
So, to verify the Shapiro effect further, physicists abandoned planets, whose rough surfaces scatter some of the radar signals, for smoother targets: spacecraft.
Shapiro calculated that the sun's gravity well should delay the radar signal by about 200 microseconds, compared with its time back from Mercury without the sun nearby.
In the early 1960s, Shapiro proposed testing this by bouncing a radar signal off of Mercury when the planet was situated right next to the sun (from our Earthly perspective).
The fact that the radar signals could bounce off the sea bottom suggests that the seas were more transparent than expected and thus must contain mostly methane, not ethane.
Equipped with altimeters, «[it] bounces a radar signal off the surface of the ocean, then times how long it takes to come back,» explains Josh Willis, an oceanographer at NASA's Jet Propulsion Laboratory.
Earthquakes and tornadoes produce twisted and shattered wreckage, such that any radar signals bouncing back from these piles are tangled and hard to decipher.
The radar signals reflect off of birds and other animals flying through the air.
The reason: The radar signals of the altimeter satellites that have been surveying the surfaces of the earth and oceans for more than two decades are reflected by the ice at the poles.
ALES + automatically identifies the portion of the radar signal which is reflected by water and derives sea level values using this information only.
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