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2017 IEEE International Conference on Computational Electromagnetics (ICCEM)最新文献

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Visualization of electromagnetic waves for education 电磁波的可视化教育
2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI: 10.1109/COMPEM.2017.7912835
T. Hirano, J. Hirokawa
{"title":"Visualization of electromagnetic waves for education","authors":"T. Hirano, J. Hirokawa","doi":"10.1109/COMPEM.2017.7912835","DOIUrl":"https://doi.org/10.1109/COMPEM.2017.7912835","url":null,"abstract":"Visualization of electromagnetic waves is presented to improve efficiency of education. Source codes become simple by using high-layer programming language MATLAB which support matrix operations and graphical routines, Students can concentrate on the main problem of electricity and magnetism using MATLAB. Students can understand electromagnetic phenomena by changing parameters.","PeriodicalId":199234,"journal":{"name":"2017 IEEE International Conference on Computational Electromagnetics (ICCEM)","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121454022","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: 3
A wideband antenna using magneto-electric curved strip dipole 一种利用磁电弯曲条偶极子的宽带天线
2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI: 10.1109/COMPEM.2017.7912831
P. Sae-tia, N. Fhafhiem, P. Krachodnok, R. Wongson
{"title":"A wideband antenna using magneto-electric curved strip dipole","authors":"P. Sae-tia, N. Fhafhiem, P. Krachodnok, R. Wongson","doi":"10.1109/COMPEM.2017.7912831","DOIUrl":"https://doi.org/10.1109/COMPEM.2017.7912831","url":null,"abstract":"The important factor increased the efficiency of the antenna to support the user in the current technology is necessary wide impedance bandwidth, high gain, and low back radiation. In this paper, the antenna composed of the curved strip electric dipole and the vertically-oriented short patch is presented. The magnetic dipole is placed to point in the direction perpendicular to ground plane at an angle of 45 degree, fed by r-shaped strip. The impedance bandwidth of 65.23% (SWR<2) from the frequency range of 1.69–3.06 GHz is obtained and the antenna gain of 9 dBi is found over the operating frequencies, which is stable gain.","PeriodicalId":199234,"journal":{"name":"2017 IEEE International Conference on Computational Electromagnetics (ICCEM)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121307959","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 study on wall scattering characteristics based on ER model with point cloud data 基于点云数据的ER模型的墙体散射特性研究
2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI: 10.1109/COMPEM.2017.7912762
N. Tran, T. Imai, K. Kitao, Y. Okumura
{"title":"A study on wall scattering characteristics based on ER model with point cloud data","authors":"N. Tran, T. Imai, K. Kitao, Y. Okumura","doi":"10.1109/COMPEM.2017.7912762","DOIUrl":"https://doi.org/10.1109/COMPEM.2017.7912762","url":null,"abstract":"In high frequency bands over 6 GHz (6–100 GHz), the scattering properties of radio waves due to the roughness of building walls are considered to be different from those for the ultra high frequency (UHF) bands. In this paper, we present wall scattering characteristics based on an effective roughness (ER) model with point cloud data. Based on a comparison of simulation and measurement results, it is varied that the ER model with point cloud can be used to predict wall scattering characteristics for high frequency bands.","PeriodicalId":199234,"journal":{"name":"2017 IEEE International Conference on Computational Electromagnetics (ICCEM)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123288003","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
Optical characteristics of transverse A-O waveguide devices with SAW by FDTD analysis 用时域有限差分法分析带SAW的横向A-O波导器件的光学特性
2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI: 10.1109/COMPEM.2017.7912807
R. Balasubramanian, Y. Miyazaki, N. Goto
{"title":"Optical characteristics of transverse A-O waveguide devices with SAW by FDTD analysis","authors":"R. Balasubramanian, Y. Miyazaki, N. Goto","doi":"10.1109/COMPEM.2017.7912807","DOIUrl":"https://doi.org/10.1109/COMPEM.2017.7912807","url":null,"abstract":"Acousto-Optic(A-O) waveguide devices have been used in the photonics network such as switch, tunable filter and wave separator in wavelength division multiplexed system, etc. Most of the works employ collinear devices, where acoustic waves and optical signals propagate along the longitudinal propagation direction in an integrated optical waveguide device. Transverse A-O waveguide device using surface acoustic wave (SAW) is expected to overcome the slow responses of collinear devices and accomplish Gigabit class high speed switching. When SAW is propagating in a direction transverse to the optical signal propagation direction in a slab optical waveguide, due to the A-O effect, the refractive index (permittivity) of waveguide will be modulated. Accordingly, optical signal is derived with mode conversion and change in propagation constant. These effects can be used to construct optical devices for high speed modulation and switching applications. In this paper, we have presented the optical propagation characteristics of optical fundamental mode launched in to A-O waveguide, investigated using numerical computer simulation of Finite Difference Time Domain (FDTD) analysis. We have investigated the optical mode conversion and phase modulation using FDTD computer simulations.","PeriodicalId":199234,"journal":{"name":"2017 IEEE International Conference on Computational Electromagnetics (ICCEM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115542328","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 circularly polarized slits loaded UHF RFID antenna with parasitic element 一种带寄生元件的圆极化狭缝加载超高频射频识别天线
2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI: 10.1109/COMPEM.2017.7912741
C. Sim, Shu-Yao Liang, Chih-Kai Hsieh, T. Han
{"title":"A circularly polarized slits loaded UHF RFID antenna with parasitic element","authors":"C. Sim, Shu-Yao Liang, Chih-Kai Hsieh, T. Han","doi":"10.1109/COMPEM.2017.7912741","DOIUrl":"https://doi.org/10.1109/COMPEM.2017.7912741","url":null,"abstract":"An eccentric annular slot patch antenna is initially studied for UHF (ultrahigh frequency) RFID (radio frequency identification) reader antenna application that can operate within the North America RFID band (902–928 MHz). Circular polarization (CP) radiation is achieved in this band by loading two narrow open-ended slots (slits) into the slot patch. To further enhance the CP bandwidth, a parasitic element is loaded beside the patch antenna that forms the proposed antenna. From the experimental results, the proposed antenna can yield an impedance bandwidth (10-dB return loss) between 618 to 1105 MHz, while good CP bandwidth (3-dB axial ratio, AR) from 886 to 942 MHz is also attained. In addition to that, gain level and efficiency of more than 7.6 dBic and 91%, respectively, were also measured.","PeriodicalId":199234,"journal":{"name":"2017 IEEE International Conference on Computational Electromagnetics (ICCEM)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123704420","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
Education for the college student through study of wireless power transmission (WPT) 通过学习无线电力传输(WPT)对大学生进行教育
2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI: 10.1109/COMPEM.2017.7912833
T. Maruyama
{"title":"Education for the college student through study of wireless power transmission (WPT)","authors":"T. Maruyama","doi":"10.1109/COMPEM.2017.7912833","DOIUrl":"https://doi.org/10.1109/COMPEM.2017.7912833","url":null,"abstract":"Recently, the studies of wireless power transmission (WPT) draws attention and activities from college student of National Institute of Technology (NIT) for this research area are considered relatively large. The one reason about that the activity to WPT from NIT college student is high is that WPT is attractive for them. Almost students who choose machine or electric course like to make miniature car or train that can run by WPT or to light LED without battery. They design them using 3D-CAD and make it using milling machine for PCB, 3 D-printer and laser beam machine. Although we cannot see electromagnetic wave, LED lights by WPT. Therefor we can expect to use WPT for electromagnetic wave education to understand Ampere's circuital law or Lenz's law. This paper shows advantage and problems of education for the college student through study of WPT based on mainly research results or award history presented my laboratory.","PeriodicalId":199234,"journal":{"name":"2017 IEEE International Conference on Computational Electromagnetics (ICCEM)","volume":"153 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123088903","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: 2
MIMO dongle antenna design for next generation mobile communication system 新一代移动通信系统的MIMO加密狗天线设计
2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI: 10.1109/COMPEM.2017.7912740
Wen‐Shan Chen, Yung-Chuan Lai, C. Sim
{"title":"MIMO dongle antenna design for next generation mobile communication system","authors":"Wen‐Shan Chen, Yung-Chuan Lai, C. Sim","doi":"10.1109/COMPEM.2017.7912740","DOIUrl":"https://doi.org/10.1109/COMPEM.2017.7912740","url":null,"abstract":"This paper proposes a MIMO USB dongle antenna array design that can operate in C-band (3.4–3.6 GHz) that may be applied in future fifth generation (5G) operation. The total dimension of this proposed antenna is 36.5 mm n× 25 mm × 1.6 mm, and it is composed of a 10 mm × 25 mm two antenna array and a ground of 26.5 mm × 10 mm. The structure of the two antenna array is a simple bending monopole structure. To achieve desirable frequency and isolation (<-15 dB) at the band of interest, two L-shaped slits are loaded into the ground plane, and the technique of applying a dual neutral-line between the two antenna elements is also applied. Antenna gain of >1.63 dBi and antenna efficiency of >50% are achieved in this design.","PeriodicalId":199234,"journal":{"name":"2017 IEEE International Conference on Computational Electromagnetics (ICCEM)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123095080","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: 6
The competitions of electromagnetic for undergraduate students in Taiwan: Taiwan creative electromagnetic implementation competition T-CEIC 台湾大学生电磁学竞赛:台湾创意电磁学实施竞赛T-CEIC
2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI: 10.1109/COMPEM.2017.7912851
Zuo‐Min Tsai, R. Wu, Tzong-Lin Wu, Shih-Yuan Chen, Shau-Gang Mao, T. Ma
{"title":"The competitions of electromagnetic for undergraduate students in Taiwan: Taiwan creative electromagnetic implementation competition T-CEIC","authors":"Zuo‐Min Tsai, R. Wu, Tzong-Lin Wu, Shih-Yuan Chen, Shau-Gang Mao, T. Ma","doi":"10.1109/COMPEM.2017.7912851","DOIUrl":"https://doi.org/10.1109/COMPEM.2017.7912851","url":null,"abstract":"This paper proposed the competitions about electromagnetics for undergraduate students. The goal of the competition is to provide an opportunity for undergraduate students to exchange their research outcome about electromagnetics. Challenges including helping students coming up new ideas and lowering the entrance barrier are discussed and the related solutions are proposed. The competitions were held in 2015, and 2016. It is believed that the competition is helpful to stimulate undergraduate students' interest on the research topic about electromagnetics.","PeriodicalId":199234,"journal":{"name":"2017 IEEE International Conference on Computational Electromagnetics (ICCEM)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124990502","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
Multi-parents genetic algorithm optimization scheme for linear array antenna synthesis 线性阵列天线综合的多父遗传算法优化方案
2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI: 10.1109/COMPEM.2017.7912844
Arnon Sakonkanapong, S. Todnatee, C. Phongcharoenpanich
{"title":"Multi-parents genetic algorithm optimization scheme for linear array antenna synthesis","authors":"Arnon Sakonkanapong, S. Todnatee, C. Phongcharoenpanich","doi":"10.1109/COMPEM.2017.7912844","DOIUrl":"https://doi.org/10.1109/COMPEM.2017.7912844","url":null,"abstract":"This research has proposed the improved iterative generic algorithm (GA) optimization scheme by using multi-parents crossover and adaptation mutation to synthesize the radiation pattern of an aperiodic (nonuniform) linear array antenna. The aim of the iterative optimization is to achieve a radiation pattern with a side lobe level (SLL) less than or equal to −20dB. In the optimization, the proposed scheme iteratively optimizes the array range (spacing) and the number of array elements, whereby the array element with the lowest absolute complex weight coefficient is first removed and then the second lowest and so on. The removal (the element reduction) is terminated once the SLL is greater than −20dB and the elemental increment mechanism is triggered. The results indicate that the proposed iterative GA optimization scheme is applicable to the non-uniform linear array antenna and also is capable of synthesizing the radiation pattern with SLL less than or equal to −20dB.","PeriodicalId":199234,"journal":{"name":"2017 IEEE International Conference on Computational Electromagnetics (ICCEM)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125005010","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
Design of a fully textile dualband patch antenna using denim fabric 采用牛仔布的全纺织双波段贴片天线的设计
2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI: 10.1109/COMPEM.2017.7912820
Hung-chi Yang, Hemin Ismael Azeez, Chih-Kuang Wu, Wen‐Shan Chen
{"title":"Design of a fully textile dualband patch antenna using denim fabric","authors":"Hung-chi Yang, Hemin Ismael Azeez, Chih-Kuang Wu, Wen‐Shan Chen","doi":"10.1109/COMPEM.2017.7912820","DOIUrl":"https://doi.org/10.1109/COMPEM.2017.7912820","url":null,"abstract":"The design of a compact, flexible and wearable dual band monopole patch antenna is presented. The antenna has low profile and printed on common denim fabric (60 mm × 60 mm × 1 mm) with permittivity (1.7) and loss tangent (0.024). The performance of the fabricated unit is observed under different deformations in free space as well as when placed on different parts of human body. The antenna has presented durability and robustness with only slight differences in measured return losses when placed in proximity to human body. Simulations for 10 g average Specific Absorption Rate (SAR) is performed for different input powers up to 100 milliWatt. Simulated SAR is increasing by increasing the incident power, as well as the skin tissue is the most affected part of the body.","PeriodicalId":199234,"journal":{"name":"2017 IEEE International Conference on Computational Electromagnetics (ICCEM)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127922300","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: 5
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