短語詞組短語multiple -frequency SPWM 倍頻式SPWMmultiple wavelength frequency doubling 多波長倍頻Multiple points frequency response 多點頻率特性multiple modulus frequency divider 多模分頻器multiple carrier frequency FMCW 多載頻FMCWmultiple repetition frequency signal 多蓡差重複頻率信號 返回 multiple frequency