free-space

free-space

Refers to natural viewing conditions, that is viewing an object that is neither housed inside an instrument, (e.g. in a synoptophore), nor viewed through an optical system. Syn. open environment; true-space.
References in periodicals archive ?
The reimbursable agreement is the latest milestone in BridgeSat's mission to revolutionize global communications with a free-space optical network for low earth orbit (LEO) satellites that's faster and less expensive than traditional radio frequency (RF) solutions.
Complex permittivity can be measured using a number of techniques, including waveguide, cavity resonator, open resonant cavities, split-post dielectric resonator and free-space techniques.
The companies said that the partnership will leverage IDENT's GestIC three-dimensional (3D) gesture control chip together with AUO's 2D multi touch as well as 3D Liquid Crystal Display Modules (LCM) to deliver an LCM display with integrated free-space gesture control functionality.
The free-space vacuum state is not empty, but as Davies puts it, "[this living vacuum] holds the key to a full understanding of the forces of nature" [6, p.
The firm specializes in fiber-optic and free-space networking systems and components designed for military and commercial aircraft.
The PIL MLAs are appropriate for parallel optical lining in transceivers, for a variety of optical interconnections and for board-to-board and chip-to-chip interconnection and free-space optical connectivity.
This design assures fast and accurate dosing of the adsorptive gas without pressure overshoot, and also negates free-space errors introduced by thermal gradient variations or by initial mismeasurement of free space.
When designing dielectric rod antennas for maximum bandwidth, maximum gain, minimum beamwidth and/or low side lobes, design parameters reported in the literature are provided in terms of free-space wavelength.
ADC (Nasdaq:ADCT) and LightPointe have announced that the companies have demonstrated interoperability between ADC's Digivance radio over fiber solution and LightPointe's Flight Free-Space Optics (FSO), expanding the target applications for ADC's patented Digivance system.
Eliminate many of the problems typically associated with free-space optical communications with the AirFiber 5800.
In addition, the quasi free-space reference defined in the document presents a major safety hazard since it requires measurement personnel to operate at heights in excess of 8 m.