Data aided detection of spectrum inversion
A spectrum inversion and detector technology, applied in digital transmission system, gigahertz frequency band transmission, color TV parts, etc., can solve the problem of long time period of digital receiver
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[0033] The following description and drawings are illustrative and should not be construed as limiting. Describes numerous specific details to provide a thorough understanding. However, in certain instances, well-known or conventional details have not been described in order not to obscure the description. References in this disclosure to one or an embodiment are not necessarily references to the same embodiment; and such references mean at least one.
[0034] In a digital receiver for the second-generation satellite digital video broadcasting (DVB-S2), various modules can reach a lock operation state even when the spectrum of a received signal is inverted. If the blocks enter lock for a certain period of time, but the bit error rate (BER) calculated by the forward error correction (FEC) block is still too high, then the forward error correction (FEC) (or system controller) It can be inferred that spectral inversion has occurred in the signal, and therefore a certain module ...
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