Title :
Approximation in digital-filter synthesis based on time-response invariance
Author_Institution :
Czechoslovak Academy of Sciences, Institue of Radio Engineering & Electronics, Prague, Czechoslovakia
Abstract :
It is shown how to construct transfer functions of digital filters simulating the behaviour of a continuous filter on the principle of the invariance of the response to an input signal of the type tk. Some properties of these transfer functions are discussed.
Keywords :
approximation theory; digital filters;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19700311
