four-phase modulation
英 [fɔː(r) feɪz ˌmɒdjʊˈleɪʃən]
美 [fɔːr feɪz ˌmɑdʒəˈleɪʃən]
网络 四相调制
双语例句
- Each kind of frequency-modulated signal is distinguished by the spectral analysis of instantaneous frequency. Two-phase and four-phase coded modulation continuous-wave signal is identified by the square spectral width analysis of original signal.
调频连续波信号根据其瞬时频率的频谱识别出各种调频方式，相位编码调制连续波信号根据其原信号平方的谱宽识别出二相码和四相码相位调制方式。