類(lèi)比次載波相位調(diào)變 phase modulation (pm): 相位調(diào)制;調(diào)相phase modulation,pm: 相位調(diào)變pm phase modulation: 脈沖調(diào)制; 相位調(diào)制pulse modulation; phase modulation (pm): 脈波調(diào)變phase modulation analog: 調(diào)相模擬信號(hào); 模擬調(diào)相信號(hào)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯