free field


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free field

a field (three-dimensional space) in a homogeneous, isotropic medium free from boundaries; in practice, a field in which boundary effects are negligible.

free field

A space in which there are no surfaces that reflect specific frequencies of sound.
See also: field
References in periodicals archive ?
Teachers and field trip organizers can sign up for their free field trip experience at www.
Free field speech tests were performed without masking when patients were wearing the BAHS.
The first step in designing the 1/4 scale model wind tunnel test section is to determine the top surface profile which will simulate free field conditions.
For model verification, noise measurements have been carried out in free field conditions (500 m out from nearest noise barrier) in a distance of 3, 10 and 20 m from the nearest driving lane (or 6, 13, and 23 m from the nearest driving lane axis).
Having found the tree space part of electric field, we purge the solution of divergence free field to retrieve the desired electric field.
First, with the manikin absent, the free field SPL is determined at the test point as a function of source elevation angle.
We show that the fluctuations are governed by the Gaussian free field.
Field Agent would take that objective and send it out to anyone who's downloaded the free Field Agent application.
Measurement of the directional diffusion coefficient in a free field
C_Springthorpe Fully deserving Cityscape ran the Duty Free field off their feet.
Butterfly trip: A free field trip to see butterflies at Holland Meadows outside Oakridge is Aug.