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2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)最新文献

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Low-Pass Filter Implementation Using CPW-Fed UWB Antenna 利用cpw馈电超宽带天线实现低通滤波器
2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi) Pub Date : 2018-11-01 DOI: 10.1109/CEMI.2018.8610644
M. Z. Abbasi, Muhammad B. Rafaqat, Awais Aurengzeb, B. Ijaz, K. Alimgeer
{"title":"Low-Pass Filter Implementation Using CPW-Fed UWB Antenna","authors":"M. Z. Abbasi, Muhammad B. Rafaqat, Awais Aurengzeb, B. Ijaz, K. Alimgeer","doi":"10.1109/CEMI.2018.8610644","DOIUrl":"https://doi.org/10.1109/CEMI.2018.8610644","url":null,"abstract":"In this paper, a wideband co-planar waveguide (CPW) fed antenna design is proposed and simulated on a dielectric substrate FR4 epoxy having a relative permittivity of 4.4 and height of 1.6 mm. A novel design for the low pass implementation is presented with the help of defected ground plane CPW antenna. Current distribution and return loss is used to verify the low pass implementation in simulation. The co-planar waveguide provides easier integration with active and passive elements and it provides flat transitional impedance for improved matching. Current distributions verify the low-pass implementation in the antenna. S11is shown for the verification of cutoff frequency, bandwidth and level of rejection. The proposed structure is simulated in HFSS software. Simulated return loss is below −10 dB for ultra wideband (UWB) lower frequencies. This proposed antenna is useful for wireless communication applications working within UWB spectrum, i.e., GPS, GSM and WLAN spectrum.","PeriodicalId":173287,"journal":{"name":"2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129767792","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
Bayesian Framework for Optimization of Electromagnetics Problems 电磁学问题优化的贝叶斯框架
2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi) Pub Date : 2018-11-01 DOI: 10.1109/CEMI.2018.8610600
H. Torun, M. Swaminathan
{"title":"Bayesian Framework for Optimization of Electromagnetics Problems","authors":"H. Torun, M. Swaminathan","doi":"10.1109/CEMI.2018.8610600","DOIUrl":"https://doi.org/10.1109/CEMI.2018.8610600","url":null,"abstract":"Increasing application scope of internet-of-things devices have resulted in strict design requirements such as compact systems and efficient power delivery architectures to reduce battery wastage. RF wireless power transfer (WPT) have shown to be promising to address these issues, but with the cost of increased design complexity. In this work, we show a Bayesian framework to address this complexity and perform system-level electromagnetic-circuit co-optimization of the WPT system.","PeriodicalId":173287,"journal":{"name":"2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121310717","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
Implementation and Hybridization of Physical Optics, Born Approximation, and Ray Tracing 物理光学、玻恩近似和光线追踪的实现和杂交
2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi) Pub Date : 2018-11-01 DOI: 10.1109/CEMI.2018.8610557
C. Statz, Orell Garten, S. Hegler, D. Plettemeier
{"title":"Implementation and Hybridization of Physical Optics, Born Approximation, and Ray Tracing","authors":"C. Statz, Orell Garten, S. Hegler, D. Plettemeier","doi":"10.1109/CEMI.2018.8610557","DOIUrl":"https://doi.org/10.1109/CEMI.2018.8610557","url":null,"abstract":"The frequency domain simulation of the scattering behavior of electrically large homogeneous dielectric objects, especially in the context of inverse scattering, is a challenging task well suited for the application of the method of physical optics. In this paper we propose the hybridization of the method of physical optics, the Born-approximation and ray tracing to effectively simulate large scale surface and volume scattering problems as well as provide details regarding the implementation.","PeriodicalId":173287,"journal":{"name":"2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122240478","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
Computational Aspects of Simulating a Wind Turbine Blade Deflection Sensing System 风力机叶片偏转传感系统模拟的计算方法
2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi) Pub Date : 2018-11-01 DOI: 10.1109/CEMI.2018.8610574
G. F. Pedersen, O. Franek
{"title":"Computational Aspects of Simulating a Wind Turbine Blade Deflection Sensing System","authors":"G. F. Pedersen, O. Franek","doi":"10.1109/CEMI.2018.8610574","DOIUrl":"https://doi.org/10.1109/CEMI.2018.8610574","url":null,"abstract":"Recently introduced wind turbine blade deflection sensing system using ultrawideband technology is described. Challenges of simulating microwave propagation along the blade using the finite-difference time-domain method are outlined. Two straightforward techniques that have been used to speed up the finite-difference time-domain (FDTD) simulation are presented: load balancing of parallel processes and the moving frame technique. In addition, a simple method to reduce the numerical dispersion error of the FDTD method is presented.","PeriodicalId":173287,"journal":{"name":"2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131993225","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
Comparison of Potential Formulations for the Extraction of RL Parameters of Wound Inductor 线圈电感器RL参数提取电位配方的比较
2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi) Pub Date : 2018-11-01 DOI: 10.1109/CEMI.2018.8610625
G. Lossa, O. Deblecker, Z. De Grève
{"title":"Comparison of Potential Formulations for the Extraction of RL Parameters of Wound Inductor","authors":"G. Lossa, O. Deblecker, Z. De Grève","doi":"10.1109/CEMI.2018.8610625","DOIUrl":"https://doi.org/10.1109/CEMI.2018.8610625","url":null,"abstract":"In this work, we highlight how the t-w magneto harmonic formulation can be used in case of multilayer wound inductor. This formulation has already shown its performances in case of multiply connected regions thanks to thick cuts made in the non-conducting domain allowing to impose net current in the conducting domain. Even though this technique is well known in electromagnetics community, it has not yet used in case of wound inductors consisting of several turns without circuit coupling.","PeriodicalId":173287,"journal":{"name":"2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128738369","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
Frequency-Weighting for Multi-Frequency Electromagnetic Source Contrast Inversion 多频电磁源对比反演的频率加权方法
2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi) Pub Date : 2018-11-01 DOI: 10.1109/CEMI.2018.8610613
Nicholas Geddert, Liam Sparling, J. Lovetri, I. Jeffrey
{"title":"Frequency-Weighting for Multi-Frequency Electromagnetic Source Contrast Inversion","authors":"Nicholas Geddert, Liam Sparling, J. Lovetri, I. Jeffrey","doi":"10.1109/CEMI.2018.8610613","DOIUrl":"https://doi.org/10.1109/CEMI.2018.8610613","url":null,"abstract":"The contrast source inversion (CSI), a robust technique for solving inverse electromagnetic scattering problems, has previously been applied to data from multiple frequencies in two primary ways: frequency-hopping solves one inverse problem at a single frequency and uses the solution as an initial guess for another frequency, while simultaneous frequency inversion considers data from multiple frequencies during a single inversion run. In this work, we present a study of the effects of frequency weighting parameters on the convergence and quality of CSI reconstruction results for microwave imaging. The study proposes schemes which attempt to exploit lower frequency data during initial iterations while including higher frequency information as the algorithm converges.","PeriodicalId":173287,"journal":{"name":"2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129182839","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
Bandwidth Dependence of Ultra-Wideband Radio Propagation in Closed and Semi-Closed Spaces 超宽带无线电在封闭和半封闭空间中传播的带宽依赖性
2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi) Pub Date : 2018-11-01 DOI: 10.1109/CEMI.2018.8610639
A. Minegishi, M. Hirose, Takehiko Kobayashi
{"title":"Bandwidth Dependence of Ultra-Wideband Radio Propagation in Closed and Semi-Closed Spaces","authors":"A. Minegishi, M. Hirose, Takehiko Kobayashi","doi":"10.1109/CEMI.2018.8610639","DOIUrl":"https://doi.org/10.1109/CEMI.2018.8610639","url":null,"abstract":"This paper presents the bandwidth dependence of ultra-wideband radio propagation within a shield box, a conductive box with three 200 mm circular apertures, a small scientific satellite, and a ticket vending machine. Spatial distribution of propagation gains between 7.25 and 10.25 GHz inside the objects were measured. No appreciable differences were found in the fading depths in terms of the occupied bandwidth between 0.5 to 3 GHz, which are defined by the differences between the maximum and minimum gains within the spatially scanned area. Results of electromagnetic simulaton agreed well with those of the experiment.","PeriodicalId":173287,"journal":{"name":"2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126398624","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
Localization of Stochastic Electromagnetic Sources from PCBs in the Near Field pcb随机电磁源近场定位
2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi) Pub Date : 2018-11-01 DOI: 10.1109/CEMI.2018.8610636
I. Skvortsov, V. Bochkarev, R. Latypov
{"title":"Localization of Stochastic Electromagnetic Sources from PCBs in the Near Field","authors":"I. Skvortsov, V. Bochkarev, R. Latypov","doi":"10.1109/CEMI.2018.8610636","DOIUrl":"https://doi.org/10.1109/CEMI.2018.8610636","url":null,"abstract":"In this paper we propose to determine the localization of stochastic electromagnetic sources from a printed circuit board in the near field using least absolute shrinkage and selection operator (LASSO) regression and correlation matrix. The printed circuit board is replaced by an equivalent model with Hertzian dipoles. The comparison between LASSO regression results and Tikhonov regularization results for stochastic electromagnetic sources are also given.","PeriodicalId":173287,"journal":{"name":"2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115043150","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
[Copyright notice] (版权)
2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi) Pub Date : 2018-11-01 DOI: 10.1109/cemi.2018.8610601
{"title":"[Copyright notice]","authors":"","doi":"10.1109/cemi.2018.8610601","DOIUrl":"https://doi.org/10.1109/cemi.2018.8610601","url":null,"abstract":"","PeriodicalId":173287,"journal":{"name":"2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114290710","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
Comparison of the Mutual Information Content between the Monostatic and Bistatic Measured RCS Data of a 1: 25 Boeing 707 Model 波音707机型1:25单、双基地RCS实测数据互信息量比较
2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi) Pub Date : 2018-11-01 DOI: 10.1109/CEMI.2018.8610562
J. Cilliers, M. Potgieter, C. Blaauw, J. Odendaal, J. Joubert, Karl Woodbridge, Christopher J. Baker
{"title":"Comparison of the Mutual Information Content between the Monostatic and Bistatic Measured RCS Data of a 1: 25 Boeing 707 Model","authors":"J. Cilliers, M. Potgieter, C. Blaauw, J. Odendaal, J. Joubert, Karl Woodbridge, Christopher J. Baker","doi":"10.1109/CEMI.2018.8610562","DOIUrl":"https://doi.org/10.1109/CEMI.2018.8610562","url":null,"abstract":"Many studies have suggested that bistatic radar can improve the classification and recognition of airborne targets due to enhanced target information. This paper makes use of the information theoretic concept of mutual information (MI) and investigates the comparison of the MI content between monostatic and bistatic radar cross section measurements of a 1:25 Boeing 707 scale model. It aims to quantify the increases in the MI content, and hence recognition performance, due to the additional reflected signals available in a bistatic scenario.","PeriodicalId":173287,"journal":{"name":"2018 International Workshop on Computing, Electromagnetics, and Machine Intelligence (CEMi)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117166632","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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