Sentences with phrase «microwave data used»

The passive - microwave data used for the Sea Ice Index is especially helpful because the sensor can «see» through clouds and deliver data even during the six months of Arctic darkness and frequently cloudy conditions.

Not exact matches

In backhaul scenarios, 5G microwave series products are able to offer 10 Gbps high data rate and 25 µs low latency when traditional microwave frequency bands are used.
Trading firms are now increasingly using radio towers to transmit their data using microwaves, which is far quicker than any cable could ever be.
This date is 140 million years later than the previous best estimate of 420 million years post — big bang, which came in 2006 using CMB data from the Wilkinson Microwave Anisotropy Probe (WMAP).
Web firms can't stop using fibres to coordinate their data centres, as alternative technologies such as microwave links are too expensive or unreliable, says Alan Mauldin of TeleGeography, a telecommunications research firm based in San Diego, California.
At the upper end of the radio spectrum come microwaves, used for data transmission, radar, and of course, cooking.
The military uses the microwave information to detect ocean wind speeds to feed into weather models, among other uses, but the data happen to be nearly perfect for sensing sea ice, says Walt Meier, a sea - ice specialist with the NSIDC.
«The idea of using microwaves or electromagnetic radiation to predict weather conditions is not new,» Messer - Yaron says, but this is the first time someone has used free data to do it.
The system consists of three parts: a helmet - like antenna system that is put on the patient's head, a microwave unit and a computer that is used to control the equipment, data acquisition and signal processing.
In January a team led by David Smith of Duke University demonstrated a metamaterial - based microwave camera that requires minimal data storage and sensors, which could replace bulkier, costlier microwave imagers now used in some airport security booths.
Using the six weeks of data, the team devised a mathematical formula to process the raw microwave readings which gave the same estimate of sea ice whichever set of data was used.
The team used data from an Italian satellite that bounces microwave laser pulses off the ground and records the time it takes the light to return.
As part of an ongoing joint project between UAH, NOAA and NASA, Christy and Dr. Roy Spencer, an ESSC principal scientist, use data gathered by advanced microwave sounding units on NOAA and NASA satellites to get accurate temperature readings for almost all regions of the Earth.
Arctic sea - ice cover is predicted from coming July 1 to November 1, using the data from satellite microwave sensors, AMSR - E (2002/03 -2010 / 11) and AMSR2 (2012/13 -2016 / 17).
Using PPPL computers, the team analyzed the data produced during 2010 NSTX experiments when scientists used a diagnostic called a high - k scattering device that beams microwaves into the plasma and measures how they scatter.
Finnish Meteorological Institute has been doing estimates of two essential sea ice parameters — namely, sea ice concentration (SIC) and sea ice thickness (SIT)-- for the Bohai Sea using a combination of a thermodynamic sea ice model and Earth observation (EO) data from synthetic aperture radar (SAR) and microwave radiometer.
This detailed, all - sky image of the universe's first days was created using nine years of data collected by NASA's Wilkinson Microwave Anisotropy Probe (WMAP).
Our amenities are certain to please the busy executive or leisure traveler: * Complimentary Wireless and high - speed internet capabilities in our guestrooms and meeting rooms * Secure PrinterOn remote printing * 24 - hour business center * Microwave * Refrigerator * Coffeemaker * Two dual line phones with voicemail and data ports * A large work desk with desk level outlets and ergonomic chair * On Command Movies / TV and video games * Complimentary HBO * Complimentary USA Today each weekday morning * Complimentary use of our Stay Fit kits * Complimentary Fitness Center * Heated rooftop swimming pool and hot tub The Hilton Garden Inn Convention Center hotel offers the Great American Grill restaurant serving freshly prepared breakfasts as well as lunch and dinner.
The exhibition also features First Sounds (2012), a piece Tang created in collaboration with astronomer Mark Whittle, who used computer calculations rooted in the Cosmic Microwave Background data to recreate the fundamental tone and higher harmonics of the sound of the early universe.
(1) In addition to the data of the near - surface temperatures, which are composed of measurements from weather stations and sea surface temperatures, there is also the microwave data from satellites, which can be used to estimate air temperatures in the troposphere in a few kilometers altitude.
These ice - age maps are based on tracking the motion of sea ice using passive - microwave satellite data.
This hindcast uses two time - varying inputs: 10 - meter wind vectors from the atmospheric model NAVGEM (Navy Global Environmental Model, Hogan et al. 2014) run at the Fleet Numerical Meteorology and Oceanography Center (FNMOC), and analyses of ice concentrations (also produced at FNMOC) from passive microwave radiometer data (SSM / I).
More generally, we are using multiple sensor & associated data sets (low frequency microwave radiometers, ocean color, sea surface temperature, wind, wave, altimeter products, model and in situ data..)
As part of an ongoing joint project between UAHuntsville, NOAA and NASA, Christy and Dr. Roy Spencer, an ESSC principal scientist, use data gathered by advanced microwave sounding units on NOAA and NASA satellites to get accurate temperature readings for almost all regions on the Earth.
The most reliable sets of global temperature data we have, using satellite microwave sounding units, show no appreciable temperature increases during the critical period 1978 - 1997, just when the surface station data show a pronounced rise.
Microwave data are now available to meteorological centres where they are assimilated in NWP models and also used for nowcasting.
Since December 1978, the National Oceanic and Atmospheric Administration's polar - orbiting satellites have measured upwelling microwave radiation from atmospheric oxygen, and Spencer and Christy use this data to calculate the temperature of broad volumes of the atmosphere.
The data were used to calculate global, monthly inundated fractions of equal - area grid cells, about 25 km2, taking into account the contribution of vegetation to the passive microwave signal.
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.
Microwave radiometry data are used to construct brightness temperatures: an indication of the intensity of electromagnetic energy at a particular wavelength that filters up through the atmosphere and reaches the satellite's sensor.
-- Brandt et al., 2017 https://www.nature.com/articles/s41559-017-0081 Here we used a passive microwave Earth observation data set to document two different trends in land area with woody cover for 1992 — 2011: 36 % of the land area (6,870,000 km2) had an increase in woody cover largely in drylands, and 11 % had a decrease (2,150,000 km2), mostly in humid zones.
``... using passive microwave data it is very easy to tell the difference between ice and water as the dielectric constant differs quite a bit and this is reflected in large differences in the microwave emission.
NASA Earth Observatory image by Jesse Allen, using data from the Advanced Microwave Scanning Radiometer 2 AMSR - 2 sensor on the Global Change Observation Mission 1st - Water (GCOM - W1) satellite.
Our estimate is based on a statistical way using data from satellite microwave sensor.
Note: The Sea Ice Index input data comes from the passive microwave instrument on the DMSP satellites, but IMS uses the Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR - E) instrument on the Aqua satellite from 2002microwave instrument on the DMSP satellites, but IMS uses the Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR - E) instrument on the Aqua satellite from 2002Microwave Scanning Radiometer - Earth Observing System (AMSR - E) instrument on the Aqua satellite from 2002 to 2011.
Christopher A. Shuman Research Scientist, NASA Goddard Space Flight Center Specialties: Ice elevation changes and glacier mass losses using altimetry in combination with other remote sensing in the Antarctica Peninsula, the accuracy of early ICESat - 1 data, composite temperature records derived from AWS passive microwave data from SMMR and SSM / I and IR data from AVHRR
The two satellite data sets, RSS and UAH, use the Microwave Sounding Units (MSU) of orbiting satellites to estimate lower tropospheric temperature.
Since December 1978, microwave sounding units on satellites have produced data which can be used to infer temperatures in the troposphere.
The Sea Ice Index relies on NASA - developed methods to estimate sea ice conditions using passive - microwave data from the Defense Meteorological Satellite Program (DMSP) the Special Sensor Microwave Imager / Soundermicrowave data from the Defense Meteorological Satellite Program (DMSP) the Special Sensor Microwave Imager / SounderMicrowave Imager / Sounder (SSMIS).
This study uses satellite radiation budget measurements along with satellite microwave sea ice data to document the Arctic - wide decrease in planetary albedo and its amplifying effect on the warming.
The National Snow and Ice Data Center (NSIDC) is one a several groups monitoring sea - ice levels, using microwave sensors on polar satellites.
As part of an ongoing joint project between UAHuntsville, NOAA and NASA, John Christy, a professor of atmospheric science and director of the Earth System Science Center (ESSC) at The University of Alabama in Huntsville, and Dr. Roy Spencer, an ESSC principal scientist, use data gathered by advanced microwave sounding units on NOAA and NASA satellites to get accurate temperature readings for almost all regions of the Earth.
In addition, Li - Fi uses light waves for data communications, as opposed to Wi - Fi, which uses microwave radio and it...
In addition, Li - Fi uses light waves for data communications, as opposed to Wi - Fi, which uses microwave radio and it has 10,000 times Wi - Fi radio's RF spectrum.
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