短語(yǔ)詞組短語(yǔ)phase modulation envelope 調(diào)相包絡(luò)envelope modulation 包絡(luò)調(diào)制;包絡(luò)波動(dòng)constant envelope modulation 恒包絡(luò)調(diào)制ENVMOD Envelope Modulation 包絡(luò)調(diào)制non -constant envelope modulation 非恒定包絡(luò)調(diào)制 返回 modulation envelope