Title :
Least-squares algorithm for the design of digital 2-dimensional allpass filters
Author :
Sicuranza, Giovanni L.
Author_Institution :
UniversitÃ\xa0 di Trieste, Istituto di Elettrotecnica e di Elettronica, Trieste, Italy
Abstract :
A least-squares-approximation technique for the design of digital 2-dimensional allpass filters is described. The method allows the phase equalisation of low- or highpass filters with symmetrical amplitude response.
Keywords :
least squares approximations; two-dimensional digital filters; digital 2-dimensional allpass filters; highpass filters; least squares algorithm; lowpass filters; phase equalisation; symmetrical amplitude response;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19780434
