脉码调频调变
pulse code modulation frequency modulation
pcm-fm
单侧频带调变
blended wing-body configuration
调频讯号
frequency-modulated signal
signal
Fm
宽带带调频
WideBand Frequency Modulation
WBFM
宽频带调频
wide-band frequency modulation
模拟次载波双边频带调变
analog subcarrier double sideband modulation(DSB-IM
modulation
analog subcarrier double sideband
频[率]调[变]调频
frequency modulation {= FM
双边频带调变
double-sideband modulation
double sideband modulation
modulation
double sideband
Dsb
双音调调变频率
dual tone modulation frequency
窄频带调频
narrow band frequency modulation
narrowband frequency modulation
narrowband FM
Fm
narrowband
自适应窄带调频调制解调器
adaptive narrow-band FM modem
博码调变
pulse code modulation
pulse code modulation， PCM
PCM
差动式博码调变
differential pulse code modulation
DPCM
可调式差动博码调变、可适性差分脉冲码调
adaptive differential pulse code modulation， ADPCM
adaptive differential pulse code modulation
ADPCM