Installation
2-16 SBD75e Series Modulator Installation and Operation Manual
With the receiver algorithms taken into consideration, carrier synchronization can be achieved in
presence of phase noise of existing outdoor equipment, including the LNB and worst-case
thermal noise for any DVB-S2 mode. Some of the transmission modes, such as for example 8PSK
rate 3/5 and rate 2/3, 16APSK rate 3/4 and 32APSK 4/5 required the use of pilot symbols to avoid
cycle slips. For ACM operation, the use of pilot symbols can guarantee continuous receiver
synchronization.
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