{"title":"小型化超宽带分形天线","authors":"H. Ghali","doi":"10.1109/ICEEC.2004.1374541","DOIUrl":null,"url":null,"abstract":"Space-filling curves have been used for the development of a miniaturized ultra wideband fractal wire monopole antennas. Several space-filling curves have been investigated and compared. Resistive loading has been used to achieve the ultra wideband performance. In addition, genetic algorithm has been applied to optimize both the values of the resistive loads and their positions. A multi-frequency cost function is implemented, where the cost function is a combination of VSWR and efficiency. A bandwidth of 108% (about 1.3GHz) centered at 1.2 GHz has been achieved using three resistances on a 2nd iteration Hilbert wire monopole. The proposed ultra wideband 2nd iteration Hilbert wire monopole antenna has a minimum radiation efficiency of 30% over the entire frequency band, and a maximum gain of 5.9dB. The proposed antenna has a footprint of only 7x7cm2. Measurements of the antenna return loss has been performed and compared successfully with the simulation results. The design and simulation have been carried out using SuperNEC® electromagnetic simulator.","PeriodicalId":180043,"journal":{"name":"International Conference on Electrical, Electronic and Computer Engineering, 2004. ICEEC '04.","volume":"10 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Miniaturized ultra wideband fractal antenna\",\"authors\":\"H. Ghali\",\"doi\":\"10.1109/ICEEC.2004.1374541\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Space-filling curves have been used for the development of a miniaturized ultra wideband fractal wire monopole antennas. Several space-filling curves have been investigated and compared. Resistive loading has been used to achieve the ultra wideband performance. In addition, genetic algorithm has been applied to optimize both the values of the resistive loads and their positions. A multi-frequency cost function is implemented, where the cost function is a combination of VSWR and efficiency. A bandwidth of 108% (about 1.3GHz) centered at 1.2 GHz has been achieved using three resistances on a 2nd iteration Hilbert wire monopole. The proposed ultra wideband 2nd iteration Hilbert wire monopole antenna has a minimum radiation efficiency of 30% over the entire frequency band, and a maximum gain of 5.9dB. The proposed antenna has a footprint of only 7x7cm2. Measurements of the antenna return loss has been performed and compared successfully with the simulation results. The design and simulation have been carried out using SuperNEC® electromagnetic simulator.\",\"PeriodicalId\":180043,\"journal\":{\"name\":\"International Conference on Electrical, Electronic and Computer Engineering, 2004. ICEEC '04.\",\"volume\":\"10 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2004-09-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Conference on Electrical, Electronic and Computer Engineering, 2004. ICEEC '04.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICEEC.2004.1374541\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on Electrical, Electronic and Computer Engineering, 2004. ICEEC '04.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICEEC.2004.1374541","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Space-filling curves have been used for the development of a miniaturized ultra wideband fractal wire monopole antennas. Several space-filling curves have been investigated and compared. Resistive loading has been used to achieve the ultra wideband performance. In addition, genetic algorithm has been applied to optimize both the values of the resistive loads and their positions. A multi-frequency cost function is implemented, where the cost function is a combination of VSWR and efficiency. A bandwidth of 108% (about 1.3GHz) centered at 1.2 GHz has been achieved using three resistances on a 2nd iteration Hilbert wire monopole. The proposed ultra wideband 2nd iteration Hilbert wire monopole antenna has a minimum radiation efficiency of 30% over the entire frequency band, and a maximum gain of 5.9dB. The proposed antenna has a footprint of only 7x7cm2. Measurements of the antenna return loss has been performed and compared successfully with the simulation results. The design and simulation have been carried out using SuperNEC® electromagnetic simulator.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
