略語大辞典 [E] 37 LPF low-pass filter ロー パス フィルター. 低域通過フィルター.low-pass filter; or LP(low pass) filter; e.g. for an electronic circuit; ref. HPF(high pass filter), BPF(band pass filter); [E:C:Opt]. 丸善「略語大辞典」JLogosID : 11881018