略語大辞典 [E] 29 HPF high pass filter ハイ パス フィルター. 高域通過フィルター.high pass filter; or HP filter; a filter to pass higher frequency component; ref. LPF(low pass filter), BPF(band pass filter); [E:Opt]. 丸善「略語大辞典」JLogosID : 11877159