Sentences with phrase «for radar satellites»

«Virtual contact lenses for radar satellites: Algorithm improves sea level measurements.»

Not exact matches

Ted Toth, vice-president of a factory in Pennsauken, New Jersey, that makes parts for satellite, radar and GPS systems, says he has four available jobs that pay from $ 20 to $ 32 an hour.

The European Space Agency's Mars Express satellite has used ground - penetrating radar in some areas to look for a water table but found no evidence for one, despite research that concluded any water would be found within 9 kilometres of the surface — well within the reach of the probe's instruments.

In an area of some nine square kilometres for which radar satellite data is available, they collected laser scanning data from more than 40 plots, and integrated this data into a model for calculating the biomass.

(The U.S. Air Force uses powerful radars to catalog and track most space debris to provide early warnings for astronauts and satellites, but Sprites are so small that they can slip through that surveillance unseen.)

Employing gravimeters, laser altimeters, even radar, the plane will attempt to get a handle on the rapid thinning of the Antarctic ice sheet — as well as fill in for the aging ICESat 1 satellite that is soon to be defunct.

• EXTREME WEATHER New radar and satellite technologies will allow forecasters to build better computer models for extreme weather events, such as tornadoes and hurricanes.

Radar satellites come equipped with an antenna that sends radio waves to Earth; after hitting the planet's surface, the signal is reflected and scattered back toward a detector that generates an image without the need for visible light.

In the early 1990s the TOPEX (Topography Experiment for Ocean Circulation) / Poseidon satellite, a joint American - French mission, shot into orbit armed with radar altimeters to measure the height of the sea surface.

Instead, they will most likely be developed for specialized applications such as radar or satellites, which require high - power performance at high temperatures.

While satellites have provided consistently good data for years, the next frontier in sea level rise measurement is a new type of radar that can capture a more crisp, higher - resolution picture of sea surface heights.

Accurate tracking of lightning and thunderstorms over the oceans, too distant for land - based radar and sometimes difficult to see with satellites, will support safe navigation for aviators and mariners.

Scientists also face shortfalls in other satellite functions that they need for monitoring the Antarctic ice: high - frequency radar for measuring the speed of glaciers and low - frequency radar for measuring ice thickness.

Tools for forecasting extreme weather have advanced in recent decades, but researchers and engineers at the National Oceanic and Atmospheric Administration are working to enhance radars, satellites and supercomputers to further lengthen warning times for tornadoes and thunderstorms and to better determine hurricane intensity and forecast floods.

Forecasters rely on satellites for these situations and also rely on them to provide broader data that supplement the localized information from a given radar.

For instance, ESA has an agreement to use imaging radar from two Canadian satellites, but that will produce far less data than Envisat.

Over the past two decades my company has used imaging radar satellites to map oil on the sea surface for 70 million square kilometres of ocean.

Other research measures announced by Flaherty included $ 72.75 million for a forestry and environmental genomics competition at Genome Canada; $ 63.78 million over 5 years for the Canadian Space Agency's plan to develop the RADARSAT Constellation Mission, which proposes to generate radar images using multiple satellites; and $ 17.46 million over 5 years «to commence the pre-construction design phase» for the proposed Canadian Arctic Research Initiative.

The world has changed radically since the era of the Hindenburg; today's satellite weather forecasts, GPS - tracking, radar, computer - controlled avionics and in - flight management systems have paved the way for this new wave of hybrid airships.

From satellite observations such as radar interferometry, Rignot and his colleagues conclude a common cause underlies the retreat of West Antarctica's largest glaciers, including Pine Island Glacier, known for cleaving massive icebergs, and its neighbor, Thwaites Glacier.

The space community relies on a decades - old system for tracking satellites and other space objects — the radar and optical telescopes in the DoD's Space Surveillance Network.

From the portal you can find aviation weather products, satellite and radar images, lightning information and the weather for route product.

Radar flown by plane and dragged by snowmobile, as well as satellite measurements show how the ice cap is potentially turning into a Slip «N Slide for meltwater to rush to the Atlantic.

This covers 8 common weather forecasting tools Weather vanes and wind socks Thermometer Barometer Psychrometer Hygrometer Rain gauge Doppler radar Anemometer Weather balloon Weather satellite There is a separate page including a detailed description of each of these 10 weather tools that students can read and write a summary for each tool.

But we trust that any legislation will include new resources for technology in the cockpit; new resources to move from a national ground - based radar surveillance system to a more accurate satellite - based surveillance system; and a broader effort to increase fuel efficiency and cut airport noise for people who live and work near airports.

The top - spec A3 I drove offered plenty of prerequisites for the modern motoring age, including — but not limited to — radar cruise control, a brake - hold function, satellite navigation, voice control, parking sensors, idle - stop and blind spot monitoring.

During the 1970s, a long - range tracking system for radars that Mr. Stodola invented was used in NASA's Project Mercury, the first - U.S. - man - in - space program, and for the first air force surveillance satellite, Discoverer.

NOAA has to take a limited budget and make decisions on faster computers (required for complex assimilation schemes), new satellites (GOES - R, JPSS), upgraded radar systems (Dual - Polarization), Forecast Office personnel, and so on.

Clear air turbulence is an enduring problem for commercial aircraft: pilots can not see it coming, it doesn't reflect signals to onboard radar, and satellite monitors can not detect it.

Scientists from the University of Erlangen - Nuremberg Institute of Geography and from the Laboratoire de Glaciologie et Gophysique de l'Environnement in Grenoble, France, used radar data from satellites such as ESA's Envisat and observations of ice thickness from airborne surveys in a complex model to demonstrate, for the first time, how the buttressing role of the ice shelves is being compromised as the shelves decline.

Microwave radars of the European Remote - Sensing Satellites (ERS), radiometers of the Defense Meteorological Satellite Program (DMSP) and the dual - frequency altimeter TOPEX - POSEIDON have shown their ability to improve the description and location of storms, especially in the case of tropical cyclones for which very few traditional observations exist.

For several years the CERSAT has been providing sea ice maps derived from various scatterometers (microwave radar) on board earth observation satellites (ERS - 1, ERS - 2, ADEOS - 1 or QuikSCAT).

Researchers used data from IceBridge's ice - penetrating radar — the Multichannel Coherent Radar Depth Sounder, or MCoRDS, which is operated by the Center for Remote Sensing of Ice Sheets at the University of Kansas, Lawrence, Kan. — to determine ice thickness and sub-glacial terrain, and images from satellite sources such as Landsat and Terra to calculate veloradar — the Multichannel Coherent Radar Depth Sounder, or MCoRDS, which is operated by the Center for Remote Sensing of Ice Sheets at the University of Kansas, Lawrence, Kan. — to determine ice thickness and sub-glacial terrain, and images from satellite sources such as Landsat and Terra to calculate veloRadar Depth Sounder, or MCoRDS, which is operated by the Center for Remote Sensing of Ice Sheets at the University of Kansas, Lawrence, Kan. — to determine ice thickness and sub-glacial terrain, and images from satellite sources such as Landsat and Terra to calculate velocity.

The researchers compared the GNSS - R satellite measurements with data from other sources, including tropical cyclone best track data from the National Oceanic and Atmospheric Administration's National Centers for Environmental Information; two climate reanalysis products; and a spaceborne scatterometer, a tool that uses microwave radar to measure winds near the surface of the ocean.

266 For the hinge from which icebergs break off, see E. J. Rignot, S. P. Gogineni, W. B. Krabill, S. Ekholm, «North and northeast Greenland ice discharge from satellite radar interferometry,» Science 276:934 - 937 (9 May 1997).

These missions - satellite radar altimetry projects overseen by the European Space Agency (ESA)- lasted from 1994 to 2012, providing the researchers plenty of data that could even be overlapped and compared to ensure an accurate assessment of ice shelf thickness for more than a decade.

The Postdoc will be responsible for preparing long - term lidar and radar measurements for use with a newly developed ground - based lidar - radar simulator for ModelE3, running ModelE3 baseline and sensitivity test simulations, preparing comparisons of aerosol and meteorological conditions with existing reanalysis and satellite data sets, and contributing to model improvement efforts that will be guided by project results.

Gray, L., I. Joughin, S. Tulaczyk, V.B. Spikes, R. Bindschadler, and K.C. Jezek,» Evidence for subglacial water transport in the West Antarctic ice sheet through three - dimensional satellite radar interferometry», Geophys.

In addition you will be able to view multiple animated high resolution satellite & radar images for all current storms.

These were previously only used for communication between satellites and radar systems.

The launch was primarily designed to bring the PAZ satellite to orbit (which was deployed as planned into a low Earth, sun - synchronous polar orbit), a satellite for a Spanish customer that's designed to provide geocommunications and radar imaging for both government and private commercial customers.

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