Title :
Design of Digital Filter Using Improved Prewarping Method
Author :
Xu-bao, Sun ; Shi-fan, Wang
Author_Institution :
Shandong Univ. of Sci. & Technol., Qingdao
Abstract :
A new digital filter design method based prewarping is proposed , the digital filter frequency characteristic very well approximated to the original analog filter one´ s, and two design examples of the BW (butterworth) filter and the elliptic filter are presented. The results of computer simulation are consistent with the theoretical analysis.
Keywords :
Butterworth filters; digital filters; elliptic filters; Butterworth filter; analog filter; digital filter design; digital filter frequency characteristics; elliptic filter; prewarping method; Application software; Cutoff frequency; Design methodology; Digital filters; Digital signal processing; Educational institutions; Passband; Signal design; Signal mapping; Sun; bilinear transforms; digital filter; prewarping;
Conference_Titel :
Electromagnetic Compatibility, 2007. EMC 2007. International Symposium on
Conference_Location :
Qingdao
Print_ISBN :
978-1-4244-1371-3
Electronic_ISBN :
978-1-4244-1372-0
DOI :
10.1109/ELMAGC.2007.4413461
