2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)最新文献

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Memory-Enhanced Evolutionary Strategy for QoS-Driven RIS Control qos驱动的RIS控制的内存增强进化策略
F. Zardi, G. Oliveri, M. Salucci, A. Massa
{"title":"Memory-Enhanced Evolutionary Strategy for QoS-Driven RIS Control","authors":"F. Zardi, G. Oliveri, M. Salucci, A. Massa","doi":"10.1109/USNC-URSI52151.2023.10238118","DOIUrl":"https://doi.org/10.1109/USNC-URSI52151.2023.10238118","url":null,"abstract":"Operating Reconfigurable Intelligent Surfaces (RIS) requires a control strategy capable of coping with a constantly changing propagation environment. The use of a memory-enhanced evolutionary strategy is proposed here to exploit good solutions found at previous times and boost the exploration of the highly-dimensional solution space. The proposed approach does not require channel sensing at the RIS and its potentiality is demonstrated in a small-scale numerical analysis.","PeriodicalId":383636,"journal":{"name":"2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115284528","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 Full-Duplex MIMO Antenna for Integrated Sensing and Communication 一种集成传感与通信的全双工MIMO天线
Ying Ma, Jiongpei Xu, Tianwei Deng
{"title":"A Full-Duplex MIMO Antenna for Integrated Sensing and Communication","authors":"Ying Ma, Jiongpei Xu, Tianwei Deng","doi":"10.1109/USNC-URSI52151.2023.10238159","DOIUrl":"https://doi.org/10.1109/USNC-URSI52151.2023.10238159","url":null,"abstract":"This paper proposed a full-duplex antenna for multi-input multi-output (MIMO) communication that applies circularly-polarization for transmitting and linearly-polarization for receiving, respectively. With this non-orthogonal Tx and Rx polarization, it is useful for applications of integrated sensing and communication, as well as producing simplified residual coupling signals. By incorporating resonance structures and decoupling networks, residual coupling signals could be easily eliminated. The proposed antenna comprises two channels constructed on a 2-by-3 patch array within an aperture of $2.03lambda 0^{*}0.91lambda_{0}$. Simulation results show that it achieved both MIMO and duplex isolation more than 59 dB, as well as realized gain of 5.92 dBi for Tx and 10.43 dBi for Rx over a 130 MHz band centered at 5.8 GHz.","PeriodicalId":383636,"journal":{"name":"2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)","volume":"355 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115303766","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 In-Situ Eddy Current Diagnostic for Temperature Monitoring in Metal Additive Manufacturing 用于金属增材制造温度监测的原位涡流诊断
Saptarshi Mukherjee, E. Benavidez, J. Tringe, Lei Peng, Yiming Deng, David S. Stobbe
{"title":"An In-Situ Eddy Current Diagnostic for Temperature Monitoring in Metal Additive Manufacturing","authors":"Saptarshi Mukherjee, E. Benavidez, J. Tringe, Lei Peng, Yiming Deng, David S. Stobbe","doi":"10.1109/USNC-URSI52151.2023.10237400","DOIUrl":"https://doi.org/10.1109/USNC-URSI52151.2023.10237400","url":null,"abstract":"We propose a novel, non-contact diagnostic for monitoring of sub-surface temperature in metal additive manufacturing (AM) using an eddy current (EC) system. An EC probe produces time-varying magnetic fields, that induce eddy currents in the sub-surface of a metal AM part. Variations in sub-surface temperatures lead to perturbation of the flow of the induced eddy currents and hence appear as localized magnetic anomalies. A controlled heat source is used to heat the metal surface, while the EC probe monitors the temperature from the opposite surface in a non-contact manner. The overall EC physics, a finite-element based numerical model and preliminary temperature monitoring experiments are presented.","PeriodicalId":383636,"journal":{"name":"2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115321180","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
Wideband All-Dielectric Reflector at 100 GHz for 6G Communications 用于6G通信的100ghz宽带全介质反射器
Rocio Rodriguez-Cano, Michael Lanagan
{"title":"Wideband All-Dielectric Reflector at 100 GHz for 6G Communications","authors":"Rocio Rodriguez-Cano, Michael Lanagan","doi":"10.1109/USNC-URSI52151.2023.10237386","DOIUrl":"https://doi.org/10.1109/USNC-URSI52151.2023.10237386","url":null,"abstract":"Power-efficient systems are required for 6G communications. Part of a window real-state can be used as placement of a reflecting metasurface, which can provide coverage to users in scenarios, where there are no line-of-sight links. In this contribution, we propose a wideband all-dielectric metasurface at 100 GHz that consists of alumina posts on plastic and does not depend on the angle of incidence. The design has been manufactured and measured, with good agreement between measurements and simulations.","PeriodicalId":383636,"journal":{"name":"2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116630567","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 Active Cancellation Technology Based on Airborne Conformal Antenna for Low-frequency RCS Reduction 基于机载共形天线的低频RCS抑制主动抵消技术研究
Xiaoxuan Huang, Wei Gao, Jia Cheng, X. Zong, Jun Hu
{"title":"Research on Active Cancellation Technology Based on Airborne Conformal Antenna for Low-frequency RCS Reduction","authors":"Xiaoxuan Huang, Wei Gao, Jia Cheng, X. Zong, Jun Hu","doi":"10.1109/USNC-URSI52151.2023.10237922","DOIUrl":"https://doi.org/10.1109/USNC-URSI52151.2023.10237922","url":null,"abstract":"In this paper, a conformal antenna was designed and used as a source of active cancellation in response to the need for low-frequency stealth in aircraft. The stealth effect of active cancellation under different polarization conditions is analyzed and investigated with simultaneous excitation of planar wave source and antenna port source. The results show that there is a reduction of about 30 dB under different polarization conditions, and this research scheme provides a reference value for the application prospect of active cancellation.","PeriodicalId":383636,"journal":{"name":"2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)","volume":"9 7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116866721","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
Kriging Methodology for Predicting Material Uncertainty Impact on FEM Scattering Computations 预测材料不确定性对有限元散射计算影响的Kriging方法
S. Kasdorf, J. Harmon, B. Notaroš
{"title":"Kriging Methodology for Predicting Material Uncertainty Impact on FEM Scattering Computations","authors":"S. Kasdorf, J. Harmon, B. Notaroš","doi":"10.1109/USNC-URSI52151.2023.10238252","DOIUrl":"https://doi.org/10.1109/USNC-URSI52151.2023.10238252","url":null,"abstract":"We present a Kriging interpolation surrogate function for use in reconstruction of probability density function in scattering uncertainty quantification problems, focusing on predicting material uncertainty impact on finite-element scattering computations. The results show extremely high reconstruction accuracy while reducing computation time by approximately two orders of magnitude relative to the conventional Monte Carlo approach. This tool offers a robust option for future uncertainty quantification problems in the field of computational electro magnetics.","PeriodicalId":383636,"journal":{"name":"2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121062852","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
Enhancement of Low Frequency Portion of Ultra-wideband Antennas through Lumped Components 集总元件对超宽带天线低频部分的增强
Timothy P. Kelley
{"title":"Enhancement of Low Frequency Portion of Ultra-wideband Antennas through Lumped Components","authors":"Timothy P. Kelley","doi":"10.1109/USNC-URSI52151.2023.10238241","DOIUrl":"https://doi.org/10.1109/USNC-URSI52151.2023.10238241","url":null,"abstract":"Ultra-wideband (UWB) antenna elements typically provide great performance about the center frequency of their operation, but require overly large geometry to cover the low frequency edge of their bandwidth. Here, we have utilized a shunt inductor and series capacitor to enhance the low frequency resonance from the ultrawide bandwidth antenna element and its ground plane. This allows for effective coverage of all Long Term Evolution (LTE) bands from 600 MHz – 6 GHz in a 25×32×1.6 mm surface mountable antenna element, suitable for Internet of Thing (IoT) applications.","PeriodicalId":383636,"journal":{"name":"2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121094918","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
Numerical Modelling of the Grimeton VLF Antenna 格里米顿VLF天线的数值模拟
M. C. Walden
{"title":"Numerical Modelling of the Grimeton VLF Antenna","authors":"M. C. Walden","doi":"10.1109/USNC-URSI52151.2023.10237525","DOIUrl":"https://doi.org/10.1109/USNC-URSI52151.2023.10237525","url":null,"abstract":"Numerical modelling of the historical Grimeton VLF antenna is presented. Simulations using NEC-5 show the operation of this multiple-tuned, electrically short antenna at resonance. Simulation results agree with theoretical expectations and documented performance for this antenna. This modelling also provides a validation of NEC-5 on a complex antenna design having substantially different wire diameters at acute angles.","PeriodicalId":383636,"journal":{"name":"2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127100096","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
Spectral Projection Model Applied to Electromagnetic Scattering from Dielectric Cylinders with Arbitrary Cross-Sections 光谱投影模型在任意截面介质柱体电磁散射中的应用
Vidyasagar Sivalingam, Dayalan Kasilingam
{"title":"Spectral Projection Model Applied to Electromagnetic Scattering from Dielectric Cylinders with Arbitrary Cross-Sections","authors":"Vidyasagar Sivalingam, Dayalan Kasilingam","doi":"10.1109/USNC-URSI52151.2023.10237717","DOIUrl":"https://doi.org/10.1109/USNC-URSI52151.2023.10237717","url":null,"abstract":"In 2019, a new technique named the Spectral Projection Model (SPM) was formulated by the Remote Sensing Group at the University of Massachusetts Dartmouth, as an alternate approach to Method of Moments to estimate the fields due to the scattering of electromagnetic waves from arbitrary cylindrical conducting surfaces [1]. SPM evolved from the decomposition of the Green's function in the electric field integral equation (EFIE) for describing the boundary conditions. The decomposition of the Green's function is implemented using the addition theorem for Hankel and Bessel functions. In this paper, the technique is extended to scattering from dielectric cylinders with arbitrary cross-sections. The far field patterns are calculated and compared with results using the modal expansion technique. Simulations are performed for cylinders of arbitrary radii with both TM and TE polarization and compared with the results from the modal expansion technique to study the method's accuracy.","PeriodicalId":383636,"journal":{"name":"2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127341722","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
Amplitude and Phase Decoupled Metasurface for Low Side-Lobe Circularly Polarized Transmitarray Antenna Design 低旁瓣圆极化发射阵列天线的幅相解耦超表面设计
Jingwen Wang, Weidong Chen, Jun Ding, Chang Chen
{"title":"Amplitude and Phase Decoupled Metasurface for Low Side-Lobe Circularly Polarized Transmitarray Antenna Design","authors":"Jingwen Wang, Weidong Chen, Jun Ding, Chang Chen","doi":"10.1109/USNC-URSI52151.2023.10238234","DOIUrl":"https://doi.org/10.1109/USNC-URSI52151.2023.10238234","url":null,"abstract":"This paper proposes a transmissive metasurface with decoupled amplitude and phase for circularly polarized (CP) incident waves. The cross-polarized transmission amplitude and phase are independently controlled by different structural parameters. Then, a transmitarray antenna with a low side-lobe level (SLL) based on the proposed metasurface is demonstrated. Compared to transmitarray antenna with phase-only modulation, the SLL of the proposed transmitarray antenna with simultaneous amplitude and phase modulation is reduced by 5.1 dB, which validates the proposed design methodology.","PeriodicalId":383636,"journal":{"name":"2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127367257","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
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