藍芽採用何種射頻調變技術?
A、跳頻展頻 (Frequency Hopping Spread Spectrum, FHSS);
B、直接序列展頻 (Direct Sequence Spread Spectrum, DSSS);
C、正交分頻多工 (Orthogonal Frequency Division Multiplexing, OFDM);
D、以上皆非
发布时间:2025-07-07 20:42:56
A、跳頻展頻 (Frequency Hopping Spread Spectrum, FHSS);
B、直接序列展頻 (Direct Sequence Spread Spectrum, DSSS);
C、正交分頻多工 (Orthogonal Frequency Division Multiplexing, OFDM);
D、以上皆非