Sentences with phrase «of radar signals»

In disaster scenarios, the use of radar signals can be particularly complex.
So, to verify the Shapiro effect further, physicists abandoned planets, whose rough surfaces scatter some of the radar signals, for smoother targets: spacecraft.
ALES + automatically identifies the portion of the radar signal which is reflected by water and derives sea level values using this information only.

Not exact matches

In the past we've discussed how bettors can identify sharp money while betting on the WNBA, but many don't know that we also trigger a number of bet signals for this under - the - radar sport.
«I don't really know him well enough, but I don't have signals from him yet that some of the issues central to communities of color are really on his radar yet,» Sen. Velmanette Montgomery said of AG Andrew Cuomo.
Radar began with the observation that lightning gives off a radio signal, and Scottish engineer Robert Watson - Watt, working as a meteorologist, thought he could exploit this phenomenon to warn pilots of approaching storms.
But the team calculates that if the layer of rock and icy soil above the water table is particularly conductive, it could be absorbing enough energy from the radar to obscure a telltale signal.
Key to understanding the nature of the channels was the way Cassini's radar signal reflected off the bottoms of the features.
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.
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).
Ice - penetrating radar works by sending radar signals into the ice and recording the strength and return time of reflected 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.
These sensors could better locate signals for a range of uses where the size of the object relative to the signal might be a limiting factor — from hearing aids, to gunshot detectors, to different types of radar.
You think of things like thermal imaging and pupil dilation, and you can look at heart rate with ultrawideband radar, and blood pressure and breathing rate and galvanic skin response — signals like sweat — and you can look at the constellation of all of these things, and they may tell you that the person is aroused or that he's having an autonomic response.
«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.»
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 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 technology works by beaming microwave radar signals into the piles of debris and analyzing the patterns of signals that bounce back.
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.
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.
The radar signals reflect off of birds and other animals flying through the air.
And although many insect species are too small to be detected in Doppler radar data, researchers are finding new ways to extract the signals of insects and track their migrations as they happen.
The resolution of radar images, however, depends on how the signal is coded and the strength of the return signal, not the size of a telescope lens or mirror.
Given HAARP's main goal of studying how signals are reflected, in the hopes of improving long - range communications, the station fires a radar beam to excite a localized patch of the ionosphere and uses passive devices in Gakona and elsewhere to examine the effects.
Instead of broadcasting its own signal, a passive radar system listens in to the cacophony of radio signals in the environment and monitors the way moving objects change them.
In 1990 scientists at the electronics division of Britain's Defence Research Agency, formerly the Royal Signals and Radar Establishment at Malvern, discovered that porous silicon can emit light, stimulating widespread research (Technology, 18 May 1991).
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.
NASA scientists have used two giant, Earth - based radio telescopes to bounce radar signals off a passing asteroid and produce images of the peanut - shaped body as it approached close to Earth on 25 July.
Scientists using the data measured the density of the ionosphere from the change in the radar signal.
Absorption of MARSIS radar signals: Solar energetic particles and the daytime ionosphere J. R. Espley, W. M. Farell, D. A. Brian, D. D. Morgan, B. Cantor, J. J. Plaut, M. H. Acuna, and G. Picardi Geophysical Research Letters 34, L09101, doi: 10.1029 / 2006GL028829, 2 May 2007.
Non-detection of impulsive radio signals from lightning in Martian dust storms using the radar receiver on the Mars Express spacecraft D. A. Gurnett, D. D. Morgan, L. J. Granoth, B. A. Cantor, W. M. Farrell, and J. R. Espley Geophysical Research Letters 37, L17802, doi: 10.1029 / 2010GL044368, 1 September 2010.
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).
Connecting channels (with shapes suggesting that they were carved by a liquid) lead in and out of black patches that essentially reflect no radar signal and so must be extremely smooth like a liquid surface.
Leaders of the Detroit Three automakers will meet Tuesday with President Donald Trump, another signal his administration will swiftly carry out key campaign promises and continue to keep the industry prominently on his radar.
Radar sensors are integrated into the car's Blind Spot Monitoring System that turns on blinking warning signals in one of the side mirrors.
The system, which relies on the signals from the two front radar sensors and the camera, interacts with the S tronic and the tiptronic to cover the full range of speeds from 0 to 250 km / h (155 mph); in manual transmissions, it starts at 30 km / h (19 mph).
Through use of the Audi side assist radar sensors and control units, it monitors the traffic following the vehicle whenever a turn signal is not active.
Chevrolet has crash - avoidance technologies on many of its ’15 cars and trucks, including rear - vision cameras, a rear cross-traffic alert that uses two radars to let drivers know if a car is approaching from the side when backing, a side blind - zone alert, a forward collision alert that can sense a crash situation before you do, an adaptive cruise control and a lane - departure warning that can alert drivers who drift out of detected lane lines unintentionally or without a turn signal.
Features such as the Pre-Collision System and Lane Departure Alert use a series of integrated cameras, lasers and radar signals to detect if there are vehicles rapidly approaching or if you are venturing out of your lane.
Cortana quickly finds what she believes to be a set of radar jammers which may be blocking the UNSC Infinity's radio signal, but after destroying them Master Chief quickly discovers that these «Radar Jammers» are in fact a huge device used to imprison an ancient Forrunner Warrior called the Diradar jammers which may be blocking the UNSC Infinity's radio signal, but after destroying them Master Chief quickly discovers that these «Radar Jammers» are in fact a huge device used to imprison an ancient Forrunner Warrior called the DiRadar Jammers» are in fact a huge device used to imprison an ancient Forrunner Warrior called the Didact.
The process of converting radar signals to sea level is exceptionally complex and long - term biases entering that process product long - term systematic errors.
Radar, like lidar, sends out a signal and waits for it to bounce back, but it uses radio waves instead of light.
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...
A slight hiccup in second quarter investment sales has some in the industry wondering whether this was a minor blip on the radar or a signal of a broader shift in the market.
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