{"title":"用半空间时域有限差分法分析机载天线阵照射下建筑物的电磁分布","authors":"Min Zhang, Lianyan Zhu","doi":"10.1109/ISAPE.2018.8634116","DOIUrl":null,"url":null,"abstract":"In the analysis of electromagnetic characters around the buildings, the effects of ground are non-ignorable. To solve the problem, a half-space FDTD method with nonuniform meshes is proposed in this paper. Two 1-D modified FDTD equations have been employed to set TF/SF boundary of the infinite half-space electromagnetic problems, then the half space problem can be solved in finite space. A method with non-uniform meshes is applied to reduce the calculation time and meshes of the building with an electrically large structure. Finally, the electromagnetic fields in Building which illuminated by the airborne antenna array is analysed.","PeriodicalId":297368,"journal":{"name":"2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Analysis of Electromagnetic Distribution in Building Illuminated with Airborne Antenna Array by Using a Half-space FDTD\",\"authors\":\"Min Zhang, Lianyan Zhu\",\"doi\":\"10.1109/ISAPE.2018.8634116\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In the analysis of electromagnetic characters around the buildings, the effects of ground are non-ignorable. To solve the problem, a half-space FDTD method with nonuniform meshes is proposed in this paper. Two 1-D modified FDTD equations have been employed to set TF/SF boundary of the infinite half-space electromagnetic problems, then the half space problem can be solved in finite space. A method with non-uniform meshes is applied to reduce the calculation time and meshes of the building with an electrically large structure. Finally, the electromagnetic fields in Building which illuminated by the airborne antenna array is analysed.\",\"PeriodicalId\":297368,\"journal\":{\"name\":\"2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISAPE.2018.8634116\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISAPE.2018.8634116","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Analysis of Electromagnetic Distribution in Building Illuminated with Airborne Antenna Array by Using a Half-space FDTD
In the analysis of electromagnetic characters around the buildings, the effects of ground are non-ignorable. To solve the problem, a half-space FDTD method with nonuniform meshes is proposed in this paper. Two 1-D modified FDTD equations have been employed to set TF/SF boundary of the infinite half-space electromagnetic problems, then the half space problem can be solved in finite space. A method with non-uniform meshes is applied to reduce the calculation time and meshes of the building with an electrically large structure. Finally, the electromagnetic fields in Building which illuminated by the airborne antenna array is analysed.
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