Window Shaping In The Design Of FIR Filters
Ben-Dau Tseng, Heiko Petersen · 2005
most common windcrw function used to design FIR filters is the Hawning filter. ms - discusses how the mm freauencv response ak-ects the transition bandwidth and- ripIple anplituae of the design& FIR filter, when windawirsg technique is used to design - filters. !rhe shape of the wiridm frequency response consists of two important characteristics, the mainlabe width and the sidelobe amplitude. To obtain different main/side-lobe characteristics, several exponential functions utilizing Gaussian function have been exarmned * andcmrrparedwith theHarmnirsg provide a gemzal guideline to the choice of a window function in designing FIR filters with differerrt banclwidth specifications. windm. Eqxrwtal resultsareincludedto