Accueil > Termes > Croate serbo (SH) > odnos signal/šum (S/N)

odnos signal/šum (S/N)

The ratio of the signal power and noise power. A video S/N of 54 to 56 dB is considered to be an excellent S/N, that is, of broadcast quality. A video S/N of 48 to 52 dB is considered to be a good S/N at the headend for Cable TV.

0 0

Améliorer

Ajouter une image

Partie du discours : nom
Synonyme(s) :
Blossaire :
Secteur d’activité/Domaine : Aérospatial
Catégorie : Satellites
Company:
Produit :
Acronyme-Abréviation :

Suite

Ajouter à Mon Glossaire

Autres langues :

Suite

Commentaires

Voir les termes similaires

parabolična antena

Aérospatial; 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

Aérospatial; Satellites

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

šum

Aérospatial; Satellites

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

modulator

Aérospatial; 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)

Aérospatial; 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

Aérospatial; 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 ...