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2016 URSI International Symposium on Electromagnetic Theory (EMTS)最新文献

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Analysis of corrugated waveguides using a Periodic-Asymptotic Boundary Conditions approach 用周期渐近边界条件方法分析波纹波导
2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-08-01 DOI: 10.1109/URSI-EMTS.2016.7571307
Tarek K. Meally, I. Eshrah
{"title":"Analysis of corrugated waveguides using a Periodic-Asymptotic Boundary Conditions approach","authors":"Tarek K. Meally, I. Eshrah","doi":"10.1109/URSI-EMTS.2016.7571307","DOIUrl":"https://doi.org/10.1109/URSI-EMTS.2016.7571307","url":null,"abstract":"Periodic-Asymptotic Boundary Conditions (PABCs) are introduced to analyze corrugated rectangular waveguide. The obtained dispersion characteristics show that the conventional Asymptotic Corrugation Boundary Conditions (ACBCs) have notable inaccuracies in predicting the dispersion characteristics, especially the left-hand propagation region. The derived expressions extend the validity of asymptotic boundary conditions in cases where the period is comparable to the wavelength and generally, improve the accuracy of the dispersion characteristics as they incorporate the effect of the high-order Floquet harmonics.","PeriodicalId":400853,"journal":{"name":"2016 URSI International Symposium on Electromagnetic Theory (EMTS)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124405331","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
Propagation of waves in perturbed periodic waveguides 波在扰动周期波导中的传播
2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-08-01 DOI: 10.1109/URSI-EMTS.2016.7571404
Y. Godin
{"title":"Propagation of waves in perturbed periodic waveguides","authors":"Y. Godin","doi":"10.1109/URSI-EMTS.2016.7571404","DOIUrl":"https://doi.org/10.1109/URSI-EMTS.2016.7571404","url":null,"abstract":"We provide a review of the main features of the wave propagation in one-dimensional periodic media subject to random perturbations. Using the transfer matrix approach we investigate the dependence of the Lyapunov exponent on the frequency and magnitude of the disorder.","PeriodicalId":400853,"journal":{"name":"2016 URSI International Symposium on Electromagnetic Theory (EMTS)","volume":"2014 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127552215","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
Induced torsion effects in microwave structures with magnetoelectric fields 磁场作用下微波结构的诱导扭转效应
2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-08-01 DOI: 10.1109/URSI-EMTS.2016.7571416
R. Joffe, E. Kamenetskii, R. Shavit
{"title":"Induced torsion effects in microwave structures with magnetoelectric fields","authors":"R. Joffe, E. Kamenetskii, R. Shavit","doi":"10.1109/URSI-EMTS.2016.7571416","DOIUrl":"https://doi.org/10.1109/URSI-EMTS.2016.7571416","url":null,"abstract":"At ferromagnetic-resonance frequencies, in small ferrite samples so-called magnetic-dipolar-mode oscillations can be excited. The near fields in vacuum, originated from a ferrite disk with these oscillations, are unidirectional rotating fields. When a thin metal wire is placed above such disk, unique torsion electric currents are induced. We analyze analytically these torsion effects. The torsion currents create the fields with unique topology. The shown results could be useful for development of microwave microscopy of chiral biological structures.","PeriodicalId":400853,"journal":{"name":"2016 URSI International Symposium on Electromagnetic Theory (EMTS)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131150353","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
An introduction of the generalized Wiener-Hopf technique for coupled angular and planar regions 介绍了角区与平面区耦合的广义Wiener-Hopf技术
2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-08-01 DOI: 10.1109/URSI-EMTS.2016.7571342
V. Daniele, G. Lombardi, R. Zich
{"title":"An introduction of the generalized Wiener-Hopf technique for coupled angular and planar regions","authors":"V. Daniele, G. Lombardi, R. Zich","doi":"10.1109/URSI-EMTS.2016.7571342","DOIUrl":"https://doi.org/10.1109/URSI-EMTS.2016.7571342","url":null,"abstract":"This paper presents the formulation of the electromagnetic problem constituted of coupled angular and planar regions by using the generalized Wiener-Hopf technique. The paper introduce also the technique to obtain a solution of the problem by reducing the factorization problem to Fredholm integral equation. The test case of a PEC planar waveguide filled by a dielectric medium that opens to a PEC angular region is presented.","PeriodicalId":400853,"journal":{"name":"2016 URSI International Symposium on Electromagnetic Theory (EMTS)","volume":"39 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131804468","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: 7
Physical Optics versus Gaussian Beam Shooting for shadow field analysis in high frequency regime 物理光学与高斯射束的高频阴影场分析
2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-08-01 DOI: 10.1109/URSI-EMTS.2016.7571388
C. Letrou, I. Gershenzon, Y. Brick, A. Boag
{"title":"Physical Optics versus Gaussian Beam Shooting for shadow field analysis in high frequency regime","authors":"C. Letrou, I. Gershenzon, Y. Brick, A. Boag","doi":"10.1109/URSI-EMTS.2016.7571388","DOIUrl":"https://doi.org/10.1109/URSI-EMTS.2016.7571388","url":null,"abstract":"Simulation of high frequency fields using Iterative Physical Optics and Gaussian Beam Shooting algorithms is studied. Particular attention is payed to the field evaluation accuracy in shadow regions. The accuracy is evaluated by comparing the results to those of numerically rigorous numerical methods.","PeriodicalId":400853,"journal":{"name":"2016 URSI International Symposium on Electromagnetic Theory (EMTS)","volume":"43 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134261697","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
Reflection, transmission and absorption coefficients of a dusty plasma slab 含尘等离子体板的反射、透射和吸收系数
2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-08-01 DOI: 10.1109/URSI-EMTS.2016.7571462
Guiping Li, Jun Xu, Maoyan Wang, San-Qiang Tong, Hai Long Li
{"title":"Reflection, transmission and absorption coefficients of a dusty plasma slab","authors":"Guiping Li, Jun Xu, Maoyan Wang, San-Qiang Tong, Hai Long Li","doi":"10.1109/URSI-EMTS.2016.7571462","DOIUrl":"https://doi.org/10.1109/URSI-EMTS.2016.7571462","url":null,"abstract":"The reflection, transmission, and absorption coefficients of a dusty plasma slab at terahertz frequency are simulated using the shift operator finite-difference time-domain (SO-FDTD) method. The problem which incorporates both frequency dispersion and dust particles' contribution is solved for the electromagnetic waves propagation in dusty plasmas. The numerical verification of the approach is performed by comparing with the numerical results in reference. The computed results show that terahertz waves may have the potential application in the plasma diagnostics and blackout communication.","PeriodicalId":400853,"journal":{"name":"2016 URSI International Symposium on Electromagnetic Theory (EMTS)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132948616","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
Pulsed helical antenna for high-power applications 高功率应用的脉冲螺旋天线
2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-08-01 DOI: 10.1109/URSI-EMTS.2016.7571328
D. Giri
{"title":"Pulsed helical antenna for high-power applications","authors":"D. Giri","doi":"10.1109/URSI-EMTS.2016.7571328","DOIUrl":"https://doi.org/10.1109/URSI-EMTS.2016.7571328","url":null,"abstract":"Helical antenna is a very versatile antennas capable of producing many different types of radiation characteristics. Its performance is bound by a loop (length → 0) and a dipole (major diameter → 0). Within these bounds, the helical antenna radiates a ~ circularly polarized electromagnetic wave with varying characteristics. In this paper we describe its applicability for high-power applications.","PeriodicalId":400853,"journal":{"name":"2016 URSI International Symposium on Electromagnetic Theory (EMTS)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133175696","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
Quantum superradiant and subradiant modes in plasmonic nanochannels 等离子体纳米通道中的量子超辐射和次辐射模式
2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-08-01 DOI: 10.1109/URSI-EMTS.2016.7571348
C. Argyropoulos, Ying Li
{"title":"Quantum superradiant and subradiant modes in plasmonic nanochannels","authors":"C. Argyropoulos, Ying Li","doi":"10.1109/URSI-EMTS.2016.7571348","DOIUrl":"https://doi.org/10.1109/URSI-EMTS.2016.7571348","url":null,"abstract":"We present a a plasmonic route to superradiant and subradiant effects excited by a pair of two-level emitters embedded inside plasmonic nanochannels. These channels can provide an effective epsilon-near-zero (ENZ) response in their cut-off frequency and Fabry-Perot (FP) resonances in higher frequencies. The plasmonic resonant modes are found to enhance the constructive (superradiance) or destructive (subradiance) interference between two different quantum emitters located inside the channels. The separation distance between neighboring emitters and their emission wavelength can be changed to dynamically control the collective emission properties of the plasmonic system. It is envisioned that the dynamic modification between superradiant and subradiant modes will find applications to future quantum communication and computing systems.","PeriodicalId":400853,"journal":{"name":"2016 URSI International Symposium on Electromagnetic Theory (EMTS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124073466","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
Controlling pulsed EM scattering of receiving antennas: The one-port case 控制接收天线的脉冲电磁散射:单端口情况
2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-08-01 DOI: 10.1109/URSI-EMTS.2016.7571355
M. Štumpf
{"title":"Controlling pulsed EM scattering of receiving antennas: The one-port case","authors":"M. Štumpf","doi":"10.1109/URSI-EMTS.2016.7571355","DOIUrl":"https://doi.org/10.1109/URSI-EMTS.2016.7571355","url":null,"abstract":"A time-domain compensation theorem concerning EM scattering of a one-port antenna system is derived with the aid of the reciprocity theorem of the time-convolution type. The theorem describes the impact of a change in the antenna load on receiving-antenna scattering properties. Applications of the theorem are found in controlling the pulsed echo of a receiving antenna as well as in related theoretical aspects of receiving-antenna scattering theory.","PeriodicalId":400853,"journal":{"name":"2016 URSI International Symposium on Electromagnetic Theory (EMTS)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127677521","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
Conductive textiles for wearable electronics 可穿戴电子产品用导电纺织品
2016 URSI International Symposium on Electromagnetic Theory (EMTS) Pub Date : 2016-08-01 DOI: 10.1109/URSI-EMTS.2016.7571442
A. Kiourti, J. Volakis
{"title":"Conductive textiles for wearable electronics","authors":"A. Kiourti, J. Volakis","doi":"10.1109/URSI-EMTS.2016.7571442","DOIUrl":"https://doi.org/10.1109/URSI-EMTS.2016.7571442","url":null,"abstract":"We present a new class of conductive textiles, already demonstrated for a variety of flexible antennas and integrated wireless devices. Our approach is based on silver-coated polymer filaments that are bundled in groups of 7s to 600s to form commercial threads (E-threads) for use in regular embroidery machines. Doing so, we have been able to create any shape or form of a surface on a garment with geometrical precision as high as 0.1mm. If needed, our conductive surfaces can be colorful, and further integrated with flexible polymer substrates. Importantly, their conductivity is as good as that of copper, even after rough treatments. Overall, this technology brings forward several new possibilities for wearable electronics.","PeriodicalId":400853,"journal":{"name":"2016 URSI International Symposium on Electromagnetic Theory (EMTS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128841792","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
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