geostacionarni satelit

A sophisticated electronic communications relay station orbiting 22,237 miles above the equator moving in a fixed orbit at the same speed and direction of the earth (about 7,000 ...

satelit

Aerospace; Space flight

A small body which orbits a larger one. A natural or an artificial moon. Earth-orbiting spacecraft are called satellites. While deep-space vehicles are technically satellites of ...

vestacki satelit

Astronomy; General astronomy

a satellite made by humans which is gravitationaly bound and in orbit of a larger physical object

geosinhronizovan satelit

Aerospace; Satellites

The Clarke circular orbit above the equator. For a planet the size and mass of the earth, this point is 22,237 miles above the surface.

parabolična antena

Aerospace; Satellites

The most frequently found satellite TV antenna, it takes its name from the shape of the dish described mathematically as a parabola. The function of the parabolic shape is to ...

orbitalni period

Aerospace; Satellites

The time that it takes a satellite to complete one circumnavigation of its orbit.

šum

Aerospace; Satellites

Any unwanted and unmodulated energy that is always present to some extent within any signal.

modulator

Aerospace; Satellites

A device which modulates a carrier. Modulators are found as components in broadcasting transmitters and in satellite transponders. Modulators are also used by CATV companies to ...

herc (Hz)

Aerospace; Satellites

The name given to the basic measure of radio frequency characteristics. An electromagnetic wave completes a full oscillation from its positive to its negative pole and back again ...

interferencija

Aerospace; Satellites

Energy which tends to interfere with the reception of the desired signals, such as fading from airline flights, RF interference from adjacent channels, or ghosting from reflecting ...