asiasat.com.hk

Website:https://www.asiasat.com/
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Definitions (268)

1

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BER


See Bit Error Rate.
Source: asiasat.com.hk

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Bér


See Bit Error Rate.
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QAM


Quadrature Amplitude Modulation. A method of combining two Amplitude Modulated (AM) signals - each having the same frequency, but differing in phase by 90 degrees, into a single channel, thereby doubling the effective bandwidth.
Source: asiasat.com.hk

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Slant Range


The length of the path between a communications satellite and an associated earth station.
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slant range


The length of the path between a communications satellite and an associated earth station.
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VOD


Video-On-Demand. System that allows the viewer to see or choose a programme at the time the viewer specifies.
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access


The method of channel sharing or utilisation of a single frequency or time slot by several locations.
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Adaptive Coding and Modulation


ACM is a technology which can adjust the modulation and forward error correction or FEC of a link automatically to compensate the changes in link conditions (e.g. rain fade, level changes or interference). This technology is adopted in DVB-S2.
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adaptive coding and modulation


ACM is a technology which can adjust the modulation and forward error correction or FEC of a link automatically to compensate the changes in link conditions (e.g. rain fade, level changes or interference). This technology is adopted in DVB-S2.
Source: asiasat.com.hk
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Amplifier


A device used to increase the strength of electrical signals.
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