| |||
carrierless amplitude-modulation, phase-modulation | |||
carrier-free amplitude phase; carrierless amplitude and phase modulation | |||
carrierless amplitude/phase modulation |
无载波调幅调相 : 7 phrases in 4 subjects |
Electronics | 3 |
Information technology | 2 |
Multimedia | 1 |
Telecommunications | 1 |