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SiC THz Sensors for Harsh Environment Applications 用于恶劣环境应用的SiC太赫兹传感器
天线与传播(英文) Pub Date : 2021-01-01 DOI: 10.4236/ojapr.2020.93004
I. Abdel-Motaleb, Sai Dittakavi
{"title":"SiC THz Sensors for Harsh Environment Applications","authors":"I. Abdel-Motaleb, Sai Dittakavi","doi":"10.4236/ojapr.2020.93004","DOIUrl":"https://doi.org/10.4236/ojapr.2020.93004","url":null,"abstract":"","PeriodicalId":60503,"journal":{"name":"天线与传播(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70595378","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
Improved Directivity of an OAM Antenna by a Fabry-Perot Cavity: An Experimental Study 法布里-珀罗腔改善OAM天线指向性的实验研究
天线与传播(英文) Pub Date : 2021-01-01 DOI: 10.4236/ojapr.2021.94006
Wenlong Wei, Wenlin Kuai, K. Mahdjoubi, C. Brousseau, O. Emile
{"title":"Improved Directivity of an OAM Antenna by a Fabry-Perot Cavity: An Experimental Study","authors":"Wenlong Wei, Wenlin Kuai, K. Mahdjoubi, C. Brousseau, O. Emile","doi":"10.4236/ojapr.2021.94006","DOIUrl":"https://doi.org/10.4236/ojapr.2021.94006","url":null,"abstract":"The circular phased antenna array is commonly used for generating waves bearing Orbital Angular Momentum (OAM) in the radio frequency band, but it achieves a relatively low directivity. To overcome this drawback, we present here a method to improve the directivity of an OAM circular phased antenna array by embedding it inside a Fabry-Perot cavity. The Fabry-Perot cavity contains three main parts: a partially reflecting surface (PRS), an air cavity and a ground plane. Simulation data show that the directivity of this new OAM antenna achieves an improvement of 8.2 dB over the original array. A prototype is realized and characterized. The simulated and measured characteristics are in good agreement.","PeriodicalId":60503,"journal":{"name":"天线与传播(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70595557","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 Wideband Circularly Polarized Jeans-Based Antenna at 2.45 GHz 2.45 GHz宽带圆极化牛仔天线
天线与传播(英文) Pub Date : 2020-05-26 DOI: 10.4236/ojapr.2020.81001
M. Joler, Anamaria Kolonić, Maja Boljkovac
{"title":"A Wideband Circularly Polarized Jeans-Based Antenna at 2.45 GHz","authors":"M. Joler, Anamaria Kolonić, Maja Boljkovac","doi":"10.4236/ojapr.2020.81001","DOIUrl":"https://doi.org/10.4236/ojapr.2020.81001","url":null,"abstract":"Development \u0000of textile antennas is an important segment towards the \u0000goal of creating smart clothing. In \u0000this paper, we report on a jeans-based circularly polarized textile antenna \u0000designed for the E-band (around 2.45 GHz). We present three variations of the \u0000design and the respective results. The antenna comprises a multi-layer jeans-fabric \u0000as the substrate, a conductive fabric as the patch, which is concealed with \u0000another layer of jeans, and the ground plane is formed by either a cooper foil \u0000or another conductive fabric. A multi-layer structure was chosen to provide a \u0000wider bandwidth and better efficiency, whereas the upper surface of the antenna \u0000was covered by one more layer of jeans to both make the antenna less \u0000conspicuous, when worn on the arm, and protect the patch and substrate from \u0000mechanical damages and moisture. All three variants are characterized by a good \u0000realized gain of about 3 dB, a wide beam width and a wide bandwidth of 21% or \u0000better, around 2.45 GHz, having the radiation efficiency around 36%, and front-to-back \u0000ratio of 5 dB or better, with the ground plane being just slightly larger than \u0000the patch.","PeriodicalId":60503,"journal":{"name":"天线与传播(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45599244","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
FSS Based Circular Polarizer for High-Speed Wireless Communication at 75 GHz 基于FSS的75GHz高速无线通信圆极化器
天线与传播(英文) Pub Date : 2019-09-06 DOI: 10.4236/ojapr.2019.73003
G. Kiani
{"title":"FSS Based Circular Polarizer for High-Speed Wireless Communication at 75 GHz","authors":"G. Kiani","doi":"10.4236/ojapr.2019.73003","DOIUrl":"https://doi.org/10.4236/ojapr.2019.73003","url":null,"abstract":"An FSS based circular polarizer for high-speed wireless communication at 75 GHz is presented. It has been designed on a low loss substrate with cross-dipole elements. Both simulation and measured results showed more than 98% circular polarization at 75 GHz. Moreover, 3 dB axial-ratio bandwidth of 6.8 GHz (Simulation) and 7.8 GHz (Measured) has been achieved. The proposed design has many advantages over the recently published research such as simplicity, low-profile, percentage bandwidth, frequency of operation and relative insertion loss.","PeriodicalId":60503,"journal":{"name":"天线与传播(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48693537","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
Parallel Notch and H Shape Slot Loaded Compact Antenna for X and Ku Band Applications 用于X和Ku波段应用的平行缺口和H形槽加载紧凑天线
天线与传播(英文) Pub Date : 2019-06-27 DOI: 10.4236/OJAPR.2019.72002
N. Yadav, Guozhen Hu, Zhengpeng Yao
{"title":"Parallel Notch and H Shape Slot Loaded Compact Antenna for X and Ku Band Applications","authors":"N. Yadav, Guozhen Hu, Zhengpeng Yao","doi":"10.4236/OJAPR.2019.72002","DOIUrl":"https://doi.org/10.4236/OJAPR.2019.72002","url":null,"abstract":"This paper represents parallel notch, H-shape slot loaded single layer patch antenna in X, and Ku bands for wideband applications. The design has made on low-cost material of Rogers R03003 substrate having dielectric constant of 3.0 with thickness of 1.6.0 mm. The proposed scheme and probe feeding technique provide designed antenna to operate in two different frequencies range in X and Ku band (10.60 GHz to 15.91 GHz). The antenna resonates at 11.37 GHz for X band and another three resonates at 12.13 GHz, 13.14 GHz and 14.66 GHz for Ku band with maximum gain of 9.20 dBi respectively. The simulation results have been obtained 40.01% impedance bandwidth with return loss (-10 dB) or . The proposed antenna is simple in structure compared to the regular single layer patch antennas. It is highly suitable for satellite and RADAR communications system. Designing and simulation of this antenna have been done by IE3D software version 12.0, which is based on MOM method.","PeriodicalId":60503,"journal":{"name":"天线与传播(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43883571","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
Complementary Split Ring Resonator Loaded Substrate Integrated Waveguide Leaky Wave Antenna 互补分环谐振腔加载衬底集成波导漏波天线
天线与传播(英文) Pub Date : 2019-03-29 DOI: 10.4236/OJAPR.2019.71001
B. M. Yousef, A. Attiya, A. A. Shaalan
{"title":"Complementary Split Ring Resonator Loaded Substrate Integrated Waveguide Leaky Wave Antenna","authors":"B. M. Yousef, A. Attiya, A. A. Shaalan","doi":"10.4236/OJAPR.2019.71001","DOIUrl":"https://doi.org/10.4236/OJAPR.2019.71001","url":null,"abstract":"In this paper we present the design of a leaky wave antenna based on Substrate Integrated Waveguide (SIW) loaded by Complementary Split Ring resonator (CSRR). The proposed antenna is designed for 5G application with a center frequency around 28 GHz. The antenna is implemented on Roger RT/Duriod 5880. The loading CSRRs are designed to resonate at 28 GHz. The design is simulated by using both High-Frequency Simulation Software (HFSS) and Computer Simulation Technology (CST) for verification. Experimental measurements are also presented.","PeriodicalId":60503,"journal":{"name":"天线与传播(英文)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46261080","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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