gigaherc (GHz)

gigaherc (GHz)

One billion cycles per second. Signals operating above 3 Gigahertz are known as microwaves. above 30 GHz they are know as millimeter waves. As one moves above the millimeter waves signals begin to take on the characteristics of Iightwaves.

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Kalbos dalis: noun
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Pramonės šaka / sritis: Aerospace
Category: Satellites
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kelvin (K)

Aerospace; Satellites

The temperature measurement scale used in the scientific community. Zero K represents absolute zero, and corresponds to minus 459 degrees Fahrenheit or minus 273 Celsius. Thermal ...

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 ...

ndërhyrje

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 ...

frekuencë

Aerospace; Satellites

The number of times that an alternating current goes through its complete cycle in one second of time. One cycle per second is also referred to as one hertz; 1000 cycles per ...

gjurmë

Aerospace; Satellites

A map of the signal strength showing the EIRP contours of equal signal strengths as they cover the earth's surface. Different satellite transponders on the same satellite will ...

gjatësi kryesore

Aerospace; Satellites

Distance from the center feed to the center of the dish.

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Pramonės šaka / sritis: Advertising Category: Television advertising

(Video rekorder personal) vrp

A generic term for a device that is similar to a VCR but records television data in digital format as opposed to the VCR's analog format. PVRs have ...