Zigbee所使用的無線射頻調變技術為?
A、直接序列展頻(Direct-SequenceSpreadSpectrum,DSSS);
B、跳頻展頻(Frequency-HoppingSpreadSpectrum,FHSS);
C、正交分頻多工(OrthogonalFrequencyDivisionMultiplexing,OFDM);
D、以上皆非
发布时间:2024-05-28 15:25:17
A、直接序列展頻(Direct-SequenceSpreadSpectrum,DSSS);
B、跳頻展頻(Frequency-HoppingSpreadSpectrum,FHSS);
C、正交分頻多工(OrthogonalFrequencyDivisionMultiplexing,OFDM);
D、以上皆非