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Free-space path loss. In telecommunication, the free-space path loss ( FSPL) (also known as free-space loss, FSL) is the attenuation of radio energy between the feedpoints of two antennas that results from the combination of the receiving antenna's capture area plus the obstacle-free, line-of-sight (LoS) path through free space (usually air). [ 1]
FreeSpace 2 is a 1999 space combat simulation computer game developed by Volition as the sequel to Descent: FreeSpace – The Great War.It was completed ahead of schedule in less than a year, and released to very positive reviews, but the game became a commercial failure, and was described by certain critics as one of 1999's most unfairly overlooked titles.
At the top right corner is a monocular for assisting the alignment of the two heads. Free-space optical communication ( FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking. "Free space" means air, outer space, vacuum, or something similar.
During the 1988 Democratic National Convention, the city of Atlanta set up a "designated protest zone" so the convention would not be disrupted. A pro-choice demonstrator opposing an Operation Rescue group said Atlanta Mayor Andrew Young "put us in a free-speech cage."
A Fresnel zone ( English: / freɪˈnɛl / fray-NEL ), named after physicist Augustin-Jean Fresnel, is one of a series of confocal prolate ellipsoidal regions of space between and around a transmitter and a receiver. The primary wave will travel in a relative straight line from the transmitter to the receiver. Aberrant transmitted radio, sound ...
Single-player, multiplayer. Descent: FreeSpace – The Great War, known as Conflict: FreeSpace – The Great War in Europe, is a 1998 space combat simulation IBM PC compatible computer game developed by Volition, when it was split off from Parallax Software, and published by Interplay Productions. In 2001, it was ported to the Amiga platform as ...
scp .indiegames .us. The FreeSpace 2 Source Code Project is the project of a group of programmers maintaining and enhancing the game engine for the space combat simulator FreeSpace 2, developed by Volition. The source code was released in 2002, and is used by several projects. Most prominent among these are games based on the Babylon 5 and 2004 ...
The near field and far field are regions of the electromagnetic (EM) field around an object, such as a transmitting antenna, or the result of radiation scattering off an object. Non-radiative near-field behaviors dominate close to the antenna or scatterer, while electromagnetic radiation far-field behaviors predominate at greater distances.