文件名称:phase-shiftKeying
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Thus PSK systems require less transmitted power for a given probability of
error than ASK or FSK systems.
Synchronous detection of PSK signals is required,due to the absense of a large
carrier component.Carrier recovery is there for emore complex and expensive.
DPSK systems are often a good compromise,offering simpler circuit ryata
small performance cost.The PSD of a PSK waveform is centered around!c,
and has an identical shape to that of the double side band modulating spectral
density
error than ASK or FSK systems.
Synchronous detection of PSK signals is required,due to the absense of a large
carrier component.Carrier recovery is there for emore complex and expensive.
DPSK systems are often a good compromise,offering simpler circuit ryata
small performance cost.The PSD of a PSK waveform is centered around!c,
and has an identical shape to that of the double side band modulating spectral
density
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phase-shiftKeying.pdf