satelit

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 mph east to west).

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نوع المصطلح: اسم
المرادف (المرادفات)
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المجال / النطاق: فضاء
الفئة: الأقمار الصناعية
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vestacki satelit

علم الفلك; فلك عام

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

geostacionarni satelit

فضاء; الأقمار الصناعية

Refers to a geosynchronous satellite angle with zero inclination. so the satellite appears to hover over one spot on the earth's equator.

geosinhronizovan satelit

فضاء; الأقمار الصناعية

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

فضاء; الأقمار الصناعية

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

فضاء; الأقمار الصناعية

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

šum

فضاء; الأقمار الصناعية

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

modulator

فضاء; الأقمار الصناعية

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)

فضاء; الأقمار الصناعية

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

فضاء; الأقمار الصناعية

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 ...