Details Details PDF BIBTEX RIS Title Quaternion approach to the the oryof 2-D causal systems Journal title International Journal of Electronics and Telecommunications Yearbook 2025 Volume vol. 71 Issue No 2 Authors Snopek, Kajetan M. Affiliation Snopek, Kajetan M. : Warsaw University of Technology, Faculty ofElectronics and Information Technology, Institute of Radioelectronics andMultimedia Technology, Poland Keywords causal/anti-causal signal ; causal system ; Gabor’sanalytic signal ; quaternion analytic signal ; quaternion Fouriertransform ; dual symmetry ; Pei’s formula ; impulse response ; frequency response Divisions of PAS Nauki Techniczne Coverage 537-543 Publisher Polish Academy of Sciences Committee of Electronics and Telecommunications Date 4.06.2025 Type Article Identifier DOI: 10.24425/ijet.2025.153602 <div class="test"></div>