orbitalni period

An extended interval of time, understood usually within the context of an identifiable geographic region, characterized by a specific set of cultural, economic, social or ...

orbitalni elementi

Astronomia; Astronomia ogólna

Parameters (numbers) that determine an object's location and motion in its orbit about another object. In the case of solar-system objects such as comets and planets, one must ...

adaptacioni period

Psychologia; Analiza zachowania

The phase in a behavior analysis program during which adaptation takes place. This can be assumed when behavioral patterns stabilize.

Prenektarski period

Astronomia; Planetologia

The geologic history of Earth's Moon has been divided into five broad time periods, or systems. From oldest to youngest, these are pre-Nectarian, Nectarian, Imbrian, ...

parabolična antena

Lotnictwo i kosmonautyka; Satelity

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 ...

šum

Lotnictwo i kosmonautyka; Satelity

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

modulator

Lotnictwo i kosmonautyka; Satelity

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)

Lotnictwo i kosmonautyka; Satelity

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

Lotnictwo i kosmonautyka; Satelity

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 ...