E
ertug
Guest
Ko nozīmē "Zero-IF" ir kas parasti redzams uztvērēja dizainu?
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A
A. Anand Srinivasan
Guest
nulle, ja ir process homodyning ...šeit mēs dot signālu saviem baseband tieši, bez izmantošanas vidējas frekvences ...
U
uzp
Guest
Tas prasa divas maisītāji ar to LO signāliem 90 grādiem intervālu.Šī metode parasti tiek darīts, kad DSP izmanto demodulate signālu.
H
Hunter_BJUT
Guest
viens trūkums ir dc kompensēt.