free field


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free field

[′frē ‚fēld]
(acoustics)
An isotropic, homogeneous sound field that is free from all bounding surfaces.
(computer science)
A property of information retrieval devices which permits recording of information in the search medium without regard to preassigned fixed fields.
(physics)
A field in empty space not interacting with other fields or sources.
References in periodicals archive ?
Scales are elongate or deep rhomboidal and flattened; the free field carries up to nine nearly parallel ridges each terminating with a spike, or the posterior margin is uneven; ridges are separated from each other by very narrow grooves.
Translational motions are reduced relative to the free field, primarily in the horizontal components.
This free field is measured at the position of the slotted aperture when the ground plane is present but the slotted cylinder is not present.
Engineering methods for an essentially free field over a reflecting plane.
"He destroyed the Duty Free field and was deeply impressive.
Lahore-based security and political analyst Hassan Askari Rizvi said: "Empirical evidence shows Pakistan has little ability to fight terrorism and to prevent the country from being a free field for extremists."
In exchange for leading younger children in summer activities including sports, crafts, and team-building, teenagers will receive $50 to $100 a week, and perks like free field trips.
The four measurement services are based on: (1) the laser optimized cryogenic radiometer (LOCR) and free field collimated laser light; (2) the C-series isoperibol calorimeter and free-field collimated laser light; (3) the electrically calibrated pyroelectric radiometer and fiber-coupled laser light; (4) the pyroelectric wedge trap detector, which measures light from a lamp source and monochromator.
OLD GROWTH FIELD TRIP OFFERED: Willamette National Forest biologists Saturday will lead a free field trip to an old growth forest near Blue River.
A free field report can be produced to show the nature and times of all responses.
Starting with the MRI's system's free field, its magnetic field without any shielding, and from past experience, a preliminary shield design was developed.