Title :
Novel high-Q narrowband/notch digital filter
Author :
Subramanyan, R. ; Radhakrishna Rao, K.
Author_Institution :
TIFR Centre, Bangalore, India
Abstract :
A periodically time-varying linear second-order digital filter is analysed. It is shown that the technique of periodically varying the coefficients leads to significant savings in coefficient word length in the design of notch and narrowbandpass digital filters having high-Q pole pairs.
Keywords :
digital filters; notch filters; bandpass digital filters; coefficient word length; high- Q pole pairs; narrowband filters; notch filters; periodically time-varying linear second-order digital filter;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860595
