短語(yǔ)詞組短語(yǔ)signal frequency side band 信號(hào)邊頻帶frequency alias band 波段frequency -band energy 論証了頻帶能量Mel frequency -band Mel濾波器frequency covering band 頻率覆蓋範(fàn)圍multiple frequency absorption band 倍頻吸收帶basic frequency absorption band 基頻吸收帶frequency y band 頻帶artificial frequency dead band 人工失霛區(qū) 返回 frequency band