kanal

kanal

A frequency band in which a specific broadcast signal is transmitted. Channel frequencies are specified in the United States by the Federal Communications Commission. Television signals require a 6 MHz frequency band to carry all the necessary picture detail.

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التحسين

إضافة صورة

نوع المصطلح: اسم
المرادف (المرادفات)
مسرد المصطلحات
المجال / النطاق: فضاء
الفئة: الأقمار الصناعية
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mokraćni kanal

علم التشريح; جسم الإنسان

The transport tube leading from the bladder to discharge urin outside the body.

foraminalni kanal

طبية; Implants and interventional materials

prirodni otvor ili prolaz u kosti kroz koji mogu prolaziti nervi ili krvni sudovi

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 ...