Ziyang Lai, X. Fang, Mengmeng Li, D. Ding, Rushan Chen
{"title":"Artificial Doppler and Micro-Doppler Effect Induced by Time-modulated Metasurface","authors":"Ziyang Lai, X. Fang, Mengmeng Li, D. Ding, Rushan Chen","doi":"10.1109/piers55526.2022.9793018","DOIUrl":null,"url":null,"abstract":"In this contribution, an approach of inducing artificial Doppler effect by controlling the phase of the reflected wave is introduced. Furthermore, we used a time-modulated metasurface which has 2-bit time varying phase to realize this approach. On this basis, a method of fitting the micro-Doppler characteristic curve of a typical moving target is proposed. Finally, the simulation results are given to verify the correctness of the method.","PeriodicalId":422383,"journal":{"name":"2022 Photonics & Electromagnetics Research Symposium (PIERS)","volume":" 2","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 Photonics & Electromagnetics Research Symposium (PIERS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/piers55526.2022.9793018","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In this contribution, an approach of inducing artificial Doppler effect by controlling the phase of the reflected wave is introduced. Furthermore, we used a time-modulated metasurface which has 2-bit time varying phase to realize this approach. On this basis, a method of fitting the micro-Doppler characteristic curve of a typical moving target is proposed. Finally, the simulation results are given to verify the correctness of the method.
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