倍频带滤波器

octave band band filter octave band eliminator filter vestigial side band filter band stop filter band suppression filter pilot band filter octave bandwidth octave coverage octave and third octave spectrogram band octave-band filter octave rectangular band-pass filter octave band analyser octave-band analyzer octave band level octave band of noise octave-band oscillator one-third-octave band octave-band pressure level octave band analyzer