Title :
A comparative study on window functions for designing efficient FIR filter
Author :
Rakshit, Hrishi ; Ullah, Muhammad Ahsan
Author_Institution :
Dept. of Electr. & Electron. Eng., Chittagong Univ. of Eng. & Technol., Chittagong, Bangladesh
Abstract :
The finite impulse response (FIR) filter designed using window method is a very popular, simpler and well working for various applications. This paper presents various window functions for designing FIR low pass filters and their comparative performance is given. Performance of windows are analyzed in both time and frequency domains. In term of main lobe-width, the Kaiser window is the most supercilious among other windows. On the other hand, the Dolph-Chebyshev shows better response in stop-band attenuation. Hamming window achieves the response in between Kaiser and Dolph-Chebyshev windows. In terms of frequency selectivity Hanning plays better role than the others.
Keywords :
Chebyshev filters; FIR filters; frequency-domain analysis; low-pass filters; time-domain analysis; Dolph-Chebyshev window; FIR low-pass filter design; Hamming window; Kaiser window; finite impulse response filter; frequency domains; frequency selectivity Hanning; main lobe-width; stop-band attenuation; time domains; window functions; Attenuation; Computational efficiency; Finite impulse response filters; Frequency response; Frequency-domain analysis; Shape; Splines (mathematics); FIR Filter; Kaiser window; Mainlobe Width; Stop-band Attenuation; Transition Band;
Conference_Titel :
Strategic Technology (IFOST), 2014 9th International Forum on
Conference_Location :
Cox´s Bazar
Print_ISBN :
978-1-4799-6060-6
DOI :
10.1109/IFOST.2014.6991079
