Number of symbols. A baseband signal model that is used is: x(t)=∑Nk=1akp(t−kT), where ak are the symbols (there are many types, PSK, QAM, ... ... <看更多>
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Number of symbols. A baseband signal model that is used is: x(t)=∑Nk=1akp(t−kT), where ak are the symbols (there are many types, PSK, QAM, ... ... <看更多>
... <看更多>
In digital communications, each symbol may encode one or more bits. Very simple modulation schemes, e.g. PSK, just encode one bit per symbol ... ... <看更多>