Adjustable PSO Based FIR Filter Design Using Advanced Error Function Approach of Minimizing Frequency Response Ripples
Reema Singh, Nupur Mittal · 2013
Abstract — Digital Filter is an important part of digital signal processing (DSP) system and it usually comes in two categories: finite impulse response (FIR) and infinite impulse response (IIR). FIR filter is an attractive choice because of the ease in design and stability. By designing the filter taps to be symmetrical about the centre tap position, a FIR filter can be guaranteed to have linear phase. Linear phase FIR filters are also required when time domain features are specified [1-2]. Keywords—Test function J1 & J4, pass band & stop band ripples, PSOP1, PSOP2, Velocity formula. I.