far field


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far field

[¦fär ¦fēld]
(electromagnetism)
References in periodicals archive ?
Witlingo is a McLean, VA Software as a Service product company focused on enabling enterprises to deliver highly usable conversations on Far Field devices such as the Amazon Echo and Google Home
In this paper an index for prediction of the strength of exterior wind noise, referred to as Exterior Noise Power (ENP) is developed based on an assumption that the acoustic power of exterior wind noise can be approximated by the far field acoustic power radiated from vehicle surface.
The illumination and image quality, that the new processor cost effectively delivers, outshines standard definition imaging to provide greater depth and boost far field visualization for enhanced diagnostics.
Jiang, "The far field transformation for the antenna modeling based on spherical electric field measurements," Progress In Electromagnetics Research, Vol.
Final results for the far field sound pressure levels revealed good agreement between measured and simulated transducer performance, with less than 3 dB of amplitude differences throughout the bandwidth operating range.
With a rigorous theoretical analysis, he derived expressions for estimating the uncertainty in the far field due to scan area truncation, probe positioning inaccuracies, instrumentation errors, and multiple reflection errors.
Under the far-field condition, when r [right arrow] [infinity], target is in the far field of radar, [[phi].
The property is known as Far Field and can be found at Boreley Lane near the admired village of Ombersley in Worcestershire.
The field of view focuses down to a spot size of just 4mm at a distance of 800mm, and has a distance to spot size ratio of 50:1 in the far field, which enables small targets to be measured from a safe distance.
Measuring far field antenna patterns requires separating the transmit antenna and the antenna under test (AUT) by a large distance in order to minimize the field amplitude and phase variations across the test aperture.
There is a corner of a far field that is forever Glastonbury.
We also determined the effect of receptor loss in a far field (3 m) odor environment, which we have previously shown in studies of turbulent odor dispersal to be a significantly different stimulus environment from the near field (1,5,6,7).