Multiplier-free structures for IIR half-band filter by multiple use of short subfilter.

Min-Chi Kao Multiplier-free structures for IIR half-band filter by multiple use of short subfilter. 37-40 2001 conf/iscas/2001 ISCAS (2) http://doi.ieeecomputersociety.org/10.1109/ISCAS.2001.921000 db/conf/iscas/iscas2001-2.html#Kao01