短語詞組短語power command feedforward 功率指令前饋load power feedforward 負載功率前饋electric power feedforward 電功率前饋方式power feedforward decoupling 功率前饋解耦feedforward power amplifiers 前饋功放feedforward power amplifier 前饋線性功率放大器feedforward linear power amplifier 前饋線性功率放大器 返回 power feedforward