Sentences with phrase «measured by radars»

For example, the winds measured by these radars in last May's 2.6 - mile - wide tornado near El Reno, Okla., topped 280 mph, which would have placed it well into the EF5 range (200 + mph).

In the modern time, Doppler shift measured by radar can nevertheless give more accurate estimates.

Not exact matches

Mbappe is the yard stick by which young offensive talent can be measured on a domestic or on the international radar.

The researchers used radar signals bounced off the ground by satellites that measure how long the pulses take to return to space.

These two figures show the internal waves at Dongsha Island on April 23, 2010, as seen by the radar on TerraSAR - X in its conventional mode of operation (left) and in the experimental new mode that permits direct velocity measurements (right), with the measured surface velocities shown in color.

A research team led by Romeiser was the first to accurately measure currents from a space shuttle platform between islands off the Dutch coast and the first to make current measurements using the radar on the TerraSAR - X satellite.

The Doppler radar currently used by the National Weather Service also measures the frequency change in returning waves, which provides the direction and speed at which the precipitation is moving.

Instead, radar has been used by spacecraft to penetrate the clouds and map out the surface — both by reflecting radar off the surface to measure elevation and by looking at the radio emissions of the hot surface.

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.

Using data from the GPS stations, an accelerometer that measures ground motion in Kathmandu, data from seismological stations around the world, and radar images collected by orbiting satellites, an international team of scientists led by Caltech has pieced together the first complete account of what physically happened during the Gorkha earthquake — a picture that explains how the large earthquake wound up leaving the majority of low - story buildings unscathed while devastating some treasured taller structures.

By comparing the repeat - pass radar observations, scientists hope to measure any crustal deformations that may occur between observations, allowing them to «see» the amount of strain building up on fault lines, and giving them a clearer picture of which faults are active and at what rates they're moving, both before earthquakes and after them.

This so - called «vigilance decrement» was first identified and measured in 1948 by psychologist Robert Mackworth, who asked British radar operators to spend two hours watching for errors in the sweep of a rigged analog clock.

«We're the first to have developed a strategy using data assimilation to successfully forecast the evolution of magma overpressures beneath a volcano using combined ground deformation datasets measured by Global Navigation Satellite System (more commonly known as GPS) and satellite radar data,» explains Mary Grace Bato, lead author of the study and a researcher at the Institut des Sciences de la Terre (ISTerre) in France.

The distance to the meteor can be determined by measuring the time lapse between the transmitted and reflected radar signals.

Subtle dynamical motions measured by Earth - based radar, the observed parameters of its gravity field, and observations of the magnetic field indicate that Mercury's core is at least partially liquid with an active core dynamo.

We say, imagine that you're a policeman, and you've got a radar gun, and you're measuring the speed of cars going by.

It uses the data provided by the full - range radar sensors, continuously measures the proximity of the vehicle ahead and warns the BMW driver if necessary.

Dynamic Radar Cruise Control functions by using a radar and camera to measure your distance from and relative speed of the vehicle in front of you, gently accelerating or decelerating your Toyota when approprRadar Cruise Control functions by using a radar and camera to measure your distance from and relative speed of the vehicle in front of you, gently accelerating or decelerating your Toyota when approprradar and camera to measure your distance from and relative speed of the vehicle in front of you, gently accelerating or decelerating your Toyota when appropriate.

This is the case because distance is measured by a small radar unit behind the front grille or under the bumper.

In a catalog essay on Elizabeth Murray, Robert Storr reels off more than a dozen women on the radar of 1950s art, as measured by a «yearbook» edited by Robert Motherwell and Ad Reinhardt before Reinhardt's black paintings.

For example, the winds measured by such radars in last May's 2.6 - mile - wide tornado near El Reno, Oklahoma, topped 280 mph, which would place it well into the EF5 range (200 + mph).

Satellite radar altimetry, in which timing of a radar or laser beam return back to a satellite is used as a measure of surface elevation, enabled researchers to assess ice mass by examining elevation change over time.

Since coming to PNNL, he has led or been significantly involved in studies of effects of surface heterogeneity on boundary layer structure, of mesoscale atmospheric flows induced or modulated by complex terrain, of the simulation of dust emission by wind erosion, and of the capabilities of a variety of atmospheric instruments — including a mass spectrometer and wind profiling radar — for measuring atmospheric turbulence.

The slope in sea level across the Gulf Stream has been measured by satellite radar altimeter to be one metre over a horizontal distance of 100 km (62 miles), which is sufficient to cause a surface geostrophic current of one metre per second at 43 ° N.

Winds are estimated by using an upward - looking Doppler radar, while temperature and moisture profiles are evaluated by using a vertically pointing radiometer that measures electromagnetic emissions of selected wavelengths at various heights in the troposphere.

The altimeter measures sea surface height by bouncing radar signals off the ocean and timing their echo.

The team used radar observations captured by the European Earth Remote Sensing (ERS - 1 and -2) satellites to measure just how far the grounding line - the point where the glacier meets the land - had retreated.

Radar altimeters work by bouncing radio waves off the terrain below and measuring how long they take to return to the spacecraft.

1950s: Research on military applications of radar and infrared radiation promotes advances in radiative transfer theory and measurements = > Radiation math — Studies conducted largely for military applications give accurate values of infrared absorption by gases = > CO2 greenhouse — Nuclear physicists and chemists develop Carbon - 14 analysis, useful for dating ancient climate changes = > Carbon dates, for detecting carbon from fossil fuels in the atmosphere, and for measuring the rate of ocean turnover = > CO2 greenhouse — Development of digital computers affects many fields including the calculation of radiation transfer in the atmosphere = > Radiation math, and makes it possible to model weather processes = > Models (GCMs)-- Geological studies of polar wandering help provoke Ewing - Donn model of ice ages = > Simple models — Improvements in infrared instrumentation (mainly for industrial processes) allow very precise measurements of atmospheric CO2 = > CO2 greenhouse.

It is arguable that well - known machines that measure only physical inputs, such as breathalyzers and radar guns, can be taken as proven — though as they become driven by computers, that may change.

Although offences such as speeding or impaired driving can be measured objectively by devices (radar and breathalyzer, respectively), a careless driving charge is at the discretion of a police officer.

Paciocco says the textalyzer reminds him of photo radar, another measure hailed by some as a solution to a road safety problem.

But the most exciting news is that the device will be carrying a 3D sensor at its back will work by firing lasers out of the device and measuring the time it takes for the reflection to get back to generate a depth map similar to Radar.