Example image of eyePlorer eyePlorer map for 'Roll-off': Roll-off (dumpster) Filter (signal processing) Frequency Network analysis (electrical circuits) Passband Propagation constant Stopband Insertion loss Decade (log scale) Decibel Logarithmic scale Octave (electronics) Cutoff frequency Band-pass filter High-pass filter Low-pass filter Prototype filter RC circuit Transfer function Active filter Buffer amplifier Digital filter Electronic filter topology Asymptote Butterworth filter Chebyshev filter Elliptic filter Monotonic function Parasitic capacitance Frequency-division multiplexing Audio crossover Electroencephalography C class ferry Helen Delich Bentley Port of Baltimore HMAS Jervis Bay (GT 203) Linkspan MS al-Salam Boccaccio 98 MS Celtic Star MS Isle of Inishmore MS Pride of Free Enterprise MS Spirit of Free Enterprise MV Cougar Ace MV Faina MV Finnbirch MV Hayat N MV Queen of Oak Bay MV Queen of Surrey MV Queen of the North MV Queenscliff MV Queenscliff (1992)