{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T02:28:40Z","timestamp":1747189720599,"version":"3.40.5"},"reference-count":22,"publisher":"World Scientific Pub Co Pte Ltd","issue":"09","funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61601063"],"award-info":[{"award-number":["61601063"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J CIRCUIT SYST COMP"],"published-print":{"date-parts":[[2021,7]]},"abstract":"<jats:p> Dual-mode patch resonator-based microstrip filters with finite real or imaginary transmission zeros are discussed by combining the analytical studies with numerical investigations. The analytical study presents the coupling scheme of a dual-mode patch resonator, while the numerical simulation discusses the coupling nature between the source (input) and load (output), which constitutes the presented half-analytical model. Furthermore, the difference of in-band losses between the two different responses can also be qualified based on this model. The contribution and novelty of this work is the coupling nature between the source and load which is explained for the first time, and based on this, the half-analytical model can further estimate the transmission zeros of the microstrip patch resonator filter. For demonstration purposes, two prototype filters that exhibit transmission zeros at the real and imaginary frequencies, respectively, are developed and confirmed experimentally. The measurements agree closely with the predications. <\/jats:p>","DOI":"10.1142\/s021812662150170x","type":"journal-article","created":{"date-parts":[[2020,12,5]],"date-time":"2020-12-05T03:17:01Z","timestamp":1607138221000},"page":"2150170","source":"Crossref","is-referenced-by-count":0,"title":["Analytical and Numerical Study on Dual-Mode Patch Resonator Filters with Real or Imaginary Transmission Zeros"],"prefix":"10.1142","volume":"30","author":[{"given":"Lei","family":"Xia","sequence":"first","affiliation":[{"name":"School of Electronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 611731, P.\u00a0R.\u00a0China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0409-4097","authenticated-orcid":false,"given":"Jia-Lin","family":"Li","sequence":"additional","affiliation":[{"name":"School of Resources and Environment, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, P.\u00a0R.\u00a0China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Baidenger Agyekum","family":"Twumasi","sequence":"additional","affiliation":[{"name":"School of Resources and Environment, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, P.\u00a0R.\u00a0China"},{"name":"Department of Electrical\/Electronic Engineering, Ho Technical University, Ho, Ghana"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shan-Shan","family":"Gao","sequence":"additional","affiliation":[{"name":"School of Electronic and Information Engineering, Chengdu University, Chengdu 610106, P.\u00a0R.\u00a0China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"219","published-online":{"date-parts":[[2021,4,14]]},"reference":[{"key":"S021812662150170XBIB001","doi-asserted-by":"publisher","DOI":"10.1109\/MWSYM.2017.8058735"},{"key":"S021812662150170XBIB002","doi-asserted-by":"publisher","DOI":"10.1109\/EuMC.2016.7824426"},{"key":"S021812662150170XBIB003","first-page":"3517","volume-title":"2016 Prog. 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