p.
53
You can shift from terrestrial to satellite mode by:
- Changing the setup frequency
- Changing of standard
- Changing of setup (from a terrestrial to a satellite setup)
11.6 DVB-T
Display of the measures of:
•
BERi
:
error rate before Viterbi
•
BERo
:
error rate after Viterbi
•
PER
:
error rate after Reed Solomon (error rate packet)
•
MER
:
modulation error rate
•
LKM
:
noise margin (Link Margin)
BERx
: ‘bits’ error rate
Ratio between the number of false bits / number of transmitted bits during the measurement time
PER
: ‘paquets’ error rate
Ratio between the number of false packets / number of transmitted packets during the measurement time
Recall: Under DVB-T/H, a packet is made of 204 octets; a packet is "false" if it includes more than 8 wrong
octets (correction by Reed Solomon coding).
Display of the value of Cell ID from the diffuser and specific to the emitter.
TUNER
DEMODULATEUR
VITERBI
REED
SOLOMON
DECODAGE
MPEG
PER
BERi
BERo
Содержание MCT 049B
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