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2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)最新文献

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A High-Gain Broadband Omnidirectional Antenna Applying Spoof Surface Plasmon Polaritons with High Bearing Strength 一种高承载强度欺骗表面等离激元极化的高增益宽带全向天线
2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2019-09-01 DOI: 10.1109/iWEM.2019.8887903
C. Xie, Jun-ping Geng, Chaofan Ren, Xuxu Cheng, R. Jin, Xianling Liang, Weiren Zhu
{"title":"A High-Gain Broadband Omnidirectional Antenna Applying Spoof Surface Plasmon Polaritons with High Bearing Strength","authors":"C. Xie, Jun-ping Geng, Chaofan Ren, Xuxu Cheng, R. Jin, Xianling Liang, Weiren Zhu","doi":"10.1109/iWEM.2019.8887903","DOIUrl":"https://doi.org/10.1109/iWEM.2019.8887903","url":null,"abstract":"This paper presents a high-gain broadband vertically polarized omnidirectional antenna based on spoof surface plasmon polaritons (SSPPs), which is comprised of a tape-like monopole and eight double-side corrugated metallic pillars. The eight corrugated metallic pillars are arranged around the monopole, and work as SSPPs to increase antenna gain and enhance the loading capacity. The simulation results show the proposed antenna has a good omnidirectional radiation pattern covering 1.2-1.6 GHz with high gain.","PeriodicalId":428997,"journal":{"name":"2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126660009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High-Gain Low-Divergence OAM Antenna 高增益低发散OAM天线
2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2019-09-01 DOI: 10.1109/iWEM.2019.8887902
Lin Yuanlong, K. Luk
{"title":"High-Gain Low-Divergence OAM Antenna","authors":"Lin Yuanlong, K. Luk","doi":"10.1109/iWEM.2019.8887902","DOIUrl":"https://doi.org/10.1109/iWEM.2019.8887902","url":null,"abstract":"The practical application of the Orbital Angular Momentum (OAM) antenna is limited by its valid transmission distance which affected by the gain and the divergence of OAM beams. Open resonator antenna (ORA) can realize a high gain and low divergence OAM radiation by exciting two HE21 modes inside. The proposed antenna consists of a spherical ground and a partially reflective surface (PRS) and is fed by slot-coupled patches. A 14-dBi gain OAM beam $(pmb{l}=pm mathbf{2})$ with its maximum directivity in $mathbf{pm 9^{mathrm{o}}}$ can be achieved at 13 GHz by this structure.","PeriodicalId":428997,"journal":{"name":"2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130714986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Pure Water Linear-to-Circular Polarization Converter 纯水线圆偏振变换器
2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2019-09-01 DOI: 10.1109/iWEM.2019.8887928
Jianpeng Luo, Zibin Chi, Zhuowei Wang, Zhuozhu Chen, Zhenxin Hu, Xinxin Tian, Duo-long Wu
{"title":"A Pure Water Linear-to-Circular Polarization Converter","authors":"Jianpeng Luo, Zibin Chi, Zhuowei Wang, Zhuozhu Chen, Zhenxin Hu, Xinxin Tian, Duo-long Wu","doi":"10.1109/iWEM.2019.8887928","DOIUrl":"https://doi.org/10.1109/iWEM.2019.8887928","url":null,"abstract":"A linear-to-circular (LTC) polarization converter utilizing pure water is investigated in this paper, which has advantages of high transparency and shorter transmission length due to the very high dielectric constant of pure water. It is made of periodic water slabs surrounded by 3D printed dielectric containers. The printing material used is photosensitive resin which has a high transparency to ensure the whole converter being an optically transparent structure. By choosing proper dimensions of the water slabs, an incident linearly polarized plane wave which has a 45-degree angle with the water slabs will pass through the converter, resulting in circular polarization (CP) of the transmitted waves due to the different travelling speed of two orthogonal electric components decomposed by the incident wave. A water slab LTC polarization converter is designed to verify the performance. Simulated results indicate that a 3-dB axial ratio (AR) band of 33% is achieved with a transmission length of $mathbf{0.13 lambda_{0}}$.","PeriodicalId":428997,"journal":{"name":"2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132946085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Message from TPC Chairs 来自TPC主席的信息
2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2019-09-01 DOI: 10.1109/iwem.2019.8887862
Yingsong Li
{"title":"Message from TPC Chairs","authors":"Yingsong Li","doi":"10.1109/iwem.2019.8887862","DOIUrl":"https://doi.org/10.1109/iwem.2019.8887862","url":null,"abstract":"International Workshop on Electromagnetics: Applications and Student competition (iWEM2019) in Qingdao, one of the most beautiful cities in China. The Program of the iWEM2019 includes all topics related to EM theories and applications. There are 99 TPC members around the globe made contributions on the paper review and crosscheck process, in which each submitted paper was reviewed by at least two independent reviewers. Finally, there are 114 papers have been accepted to be presented in 12 oral sessions and two poster sessions in the Workshop. There will be three categories of student innovative paper contests with a total of 12 awards.","PeriodicalId":428997,"journal":{"name":"2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133679266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Folded L-shaped circularly polarized antenna for Cube Sat 立方体卫星折叠l形圆极化天线
2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2019-09-01 DOI: 10.1109/iWEM.2019.8887935
Haruna Nagahara, H. Arai
{"title":"Folded L-shaped circularly polarized antenna for Cube Sat","authors":"Haruna Nagahara, H. Arai","doi":"10.1109/iWEM.2019.8887935","DOIUrl":"https://doi.org/10.1109/iWEM.2019.8887935","url":null,"abstract":"This paper presents a cube sat antenna consisting of 4 folded L-shaped antennas to radiate circular polarization. The antenna mounted on the cube sat top with sequential feeding to radiate omni-directional circularly polarization. We design the proposed antenna not to affect cube sat body using characteristic modes analysis.","PeriodicalId":428997,"journal":{"name":"2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133925815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Broadband MIMO Cellphone Antennas for 5G Applications 5G应用宽带MIMO手机天线
2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2019-09-01 DOI: 10.1109/iWEM.2019.8887944
Ming-Tien Wu, Ming-Lin Chuang
{"title":"Broadband MIMO Cellphone Antennas for 5G Applications","authors":"Ming-Tien Wu, Ming-Lin Chuang","doi":"10.1109/iWEM.2019.8887944","DOIUrl":"https://doi.org/10.1109/iWEM.2019.8887944","url":null,"abstract":"A small $mathbf{8x8}$ inverted F-type broadband cellphone antenna is designed and their operation frequencies are all covered from 3.3 GHz to 5.0 GHz, which can be used in the intermediate frequency range of different regions for 5G applications in the world. It will be beneficial to the global application and development of the future 5G. Finally, the measured and simulated results are agreement.","PeriodicalId":428997,"journal":{"name":"2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125112958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on the Influence of CPU Power Management on the Performance of Parallel FDTD CPU电源管理对并行FDTD性能影响的研究
2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2019-09-01 DOI: 10.1109/iWEM.2019.8887952
Yonghong Zhou, X. Duan, Lin Zhou, Zhangjie Luo
{"title":"Research on the Influence of CPU Power Management on the Performance of Parallel FDTD","authors":"Yonghong Zhou, X. Duan, Lin Zhou, Zhangjie Luo","doi":"10.1109/iWEM.2019.8887952","DOIUrl":"https://doi.org/10.1109/iWEM.2019.8887952","url":null,"abstract":"To explore the effects of CPU new technologies on parallel computation on a PC cluster, the parallel Finite Difference Time Domain (FDTD) is taken as a sample, and the power management (PowerNow, Turbo Core) is investigated by a set of numerical experiments on a PC cluster with 8-core AMD Fx-8120 CPUs. The results demonstrate that these technologies exhibit quite different impacts on the parallel FDTD. PowerNow can considerably drop the parallel efficiency in some specific operations such as inter-process communication. Turbo Core accelerates the computation in low CPU usage","PeriodicalId":428997,"journal":{"name":"2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127240946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Miniature Dual-band Wilkinson Power Divider Using Composite Planar Transmission Lines 采用复合平面传输线的微型双频威尔金森功率分配器
2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2019-09-01 DOI: 10.1109/iWEM.2019.8887929
Yansheng Li, Mi Wu, Ruiqi Liu
{"title":"A Miniature Dual-band Wilkinson Power Divider Using Composite Planar Transmission Lines","authors":"Yansheng Li, Mi Wu, Ruiqi Liu","doi":"10.1109/iWEM.2019.8887929","DOIUrl":"https://doi.org/10.1109/iWEM.2019.8887929","url":null,"abstract":"A new miniature dual-band Wilkinson power divider (WPD) is presented in this paper. A technique made use of dual planar transmission lines was adopted in the design of this WPD. Namely, microstrip line (ML) and coplanar waveguide (CPW) line were used simultaneously on both the copper-sides of a substrate. Copper holes and vias were used to realize transitions between the dual lines. The miniature dual-band WPD was designed at 1 and 3 GHz with a physical area of $pmb{9.1times 5.4}mathbf{mm}^{pmb{2}}$. The simulation results show that the insertion losses in both the 0.7-1.1 GHz and 2.7-3 GHz bands are less than 3.10 dB, the reflection coefficient are $<- 15mathrm{dB}$, and the isolation are better than 20 dB.","PeriodicalId":428997,"journal":{"name":"2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129468995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of Millimeter-wave FMCW Vertical-looking Entomological Radar System 毫米波FMCW垂直昆虫雷达系统的研制
2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2019-09-01 DOI: 10.1109/iWEM.2019.8887884
J. Yang, Y. Shen, L. Cai, K. Tong, K. S. Lim, A. Reynolds, C. Rawlings
{"title":"Development of Millimeter-wave FMCW Vertical-looking Entomological Radar System","authors":"J. Yang, Y. Shen, L. Cai, K. Tong, K. S. Lim, A. Reynolds, C. Rawlings","doi":"10.1109/iWEM.2019.8887884","DOIUrl":"https://doi.org/10.1109/iWEM.2019.8887884","url":null,"abstract":"This work presents a frequency modulated continuous wave (FMCW) millimeter-wave vertical-looking radar (VLR) system. The proposed system operates at 34.5 GHz and can continuously detect targets flying at a maximum of 200m above the ground. In field tests, it measures the target's displacement direction, moving speed, mass and body shape. An Altera Stratix IV FPGA is utilized for signal processing of the FMCW radar signal. A cosecant squared pattern leaky wave antenna is suggested to detect the targets with constant power and reduce the data processing load in real time system.","PeriodicalId":428997,"journal":{"name":"2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127883210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Development of Operational UHF-RFID Tag Antenna Near The Lossy Liquid 近损耗液体操作超高频rfid标签天线的研制
2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) Pub Date : 2019-09-01 DOI: 10.1109/iWEM.2019.8887888
Atsuya Kadono, Yuki Toriya, Shinji Matsuoka, Y. Okano
{"title":"Development of Operational UHF-RFID Tag Antenna Near The Lossy Liquid","authors":"Atsuya Kadono, Yuki Toriya, Shinji Matsuoka, Y. Okano","doi":"10.1109/iWEM.2019.8887888","DOIUrl":"https://doi.org/10.1109/iWEM.2019.8887888","url":null,"abstract":"Recently, RFID (Radio Frequency IDentification) system is expected to serve as the distribution management system of the alternative to bar-codes. If a tag antenna that can be identified even when attached to the surface of metal or high lossy dielectrics is developed, high precision and automation of various product management can be expected. In this report, the development of the tag antenna for UHF-RFID system that can be attached to containers such as blood samples or liquid medicines is described.","PeriodicalId":428997,"journal":{"name":"2019 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)","volume":"2016 24","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120968048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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