COBHAM H264ENC Guia do Utilizador Página 103

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SOLH264TX Broadcast Transmitter
H264TX, H264ENGTX, H264ENC
UNCLASSIFIED
Part A - User Guide
DS000091
Rev 1.2 2013-05-02
UNCLASSIFIED
Page 12-93
field used to convey data from one place to another. The
simplest form of signal is a direct current (DC) that is switched
on and off; this is the principle by which the early telegraph
worked. More complex signals consist of an alternating-current
(AC) or electromagnetic carrier that contains one or more data
streams.
T
Means…
Tx
A transmitter is an electronic device which, usually with the
aid of an antenna, propagates an electromagnetic signal such as
radio, television, or other telecommunications.
TNC
The TNC (threaded Neill-Concelman) connector is a
threaded version of the BNC connector. The connector has a 50
Ω impedance and operates best in the 011 GHz frequency
spectrum.
U
Means…
USB
Universal Serial Bus
V
Means…
VHF
Very High Frequency30 MHz to 300 MHz
V
Volt
Viterbi
The process of decoding forward error correction in the decoder.
W
Means…
Watt
The watt (symbol: W) is a derived unit of power in the
International System of Units (SI). It measures rate of energy
conversion. One watt is equivalent to 1 joule (J) of energy per
second.
Waveform
Signal shape
Waveguide
A specially form hollow metal tube, usually rectangular in shape
in cross section, used to connect a High Power amplifier to the
antenna.
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