Howtosignalprocessing
What is the use of notch filter?
Notch filters are used to remove a single frequency or a narrow band of frequencies. In audio systems, a notch filter can be used to remove interfering frequencies such as powerline hum. Notch filters can also be used to remove a specific interfering frequency in radio receivers and software-defined radio.
What is IIR notch filter?
What is IIR Notch Filter? A Notch Filter is a bandstop filter with a very narrow stopband and two passbands, it actually highly attenuates/eliminates a particular frequency component from the input signal while leaving the amplitude of the other frequencies more or less unchanged.
What is quality factor in notch filter?
Quality factor is defined as the ratio of the notch or peak frequency F 0 and the 3 dB bandwidth BW . Mathematically, Q factor is given by Q = F 0 / BW .
