Title :
Structure for time-varying paraunitary filter banks with perfect reconstruction
Author :
de Queiroz, R.L. ; Rao, K. Raghava
Author_Institution :
Texas Univ., Arlington, TX, USA
Abstract :
A perfect reconstruction structure for a time-varying FIR paraunitary filter bank is developed, based on a known factorisation procedure. It allows the implementation of any uniform paraunitary filter bank, as well as distortion-free switchings from one filter bank to another.
Keywords :
digital filters; filtering and prediction theory; distortion-free switchings; factorisation procedure; perfect reconstruction; time-varying FIR filters; time-varying paraunitary filter banks;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19930147
