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2022 International Symposium on Antennas and Propagation (ISAP)最新文献

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A Compact Broadband Quasi-isotropic Antenna for Wireless Energy Harvesting Applications 一种用于无线能量收集的紧凑型宽带准各向同性天线
2022 International Symposium on Antennas and Propagation (ISAP) Pub Date : 2022-10-31 DOI: 10.1109/ISAP53582.2022.9998658
Sonapreetha Mohan Radha, Mee-Su Lee, Ick-Jae Yoon
{"title":"A Compact Broadband Quasi-isotropic Antenna for Wireless Energy Harvesting Applications","authors":"Sonapreetha Mohan Radha, Mee-Su Lee, Ick-Jae Yoon","doi":"10.1109/ISAP53582.2022.9998658","DOIUrl":"https://doi.org/10.1109/ISAP53582.2022.9998658","url":null,"abstract":"A compact broadband quasi-isotropic antenna is presented in this paper. Slits are established on a tapered crossed dipole antenna to enhance the bandwidth as well as the isotropic antenna performance. The proposed antenna shows an 87 % of impedance bandwidth in the frequency range of 1.8-4.2 GHz. The quasi-isotropic radiation performance, that is, the maximum gain deviation less than 6 dB, is observed for the frequency range of 2.1-3.2 GHz, with a 41.5 % bandwidth. The simulation results are verified experimentally.","PeriodicalId":137840,"journal":{"name":"2022 International Symposium on Antennas and Propagation (ISAP)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127316746","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 3D Printing 120 GHz Lens Antenna for Terahertz 1D Beam-Scanning Applications 用于太赫兹1D波束扫描应用的3D打印120 GHz透镜天线
2022 International Symposium on Antennas and Propagation (ISAP) Pub Date : 2022-10-31 DOI: 10.1109/ISAP53582.2022.9998633
Jiexin Lai, Yang Yang
{"title":"A 3D Printing 120 GHz Lens Antenna for Terahertz 1D Beam-Scanning Applications","authors":"Jiexin Lai, Yang Yang","doi":"10.1109/ISAP53582.2022.9998633","DOIUrl":"https://doi.org/10.1109/ISAP53582.2022.9998633","url":null,"abstract":"This paper proposes a 3D lens antenna for terahertz (THz) one-dimensional beam-scanning applications. The proposed lens antenna consists of a WR-06 waveguide and a 3D printed lens. The proposed lens can narrow the beamwidth in Eplane and has little effect on the beamwidth in H-plane. In this way, the proposed lens can be applied to a ID linear antenna array and realize gain enhancement and beam-scanning performance. In the simulation process, the proposed lens can improve the gain of the waveguide from 6.2 dBi to 14.55 dBi. The results prove the feasibility of the proposed lens in enhancing the gain of the feed source.","PeriodicalId":137840,"journal":{"name":"2022 International Symposium on Antennas and Propagation (ISAP)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130333139","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
Monopulse Feeding Network Based on New Gap Waveguide Planar Magic-Tees 基于新型间隙波导平面magic - tee的单脉冲馈电网络
2022 International Symposium on Antennas and Propagation (ISAP) Pub Date : 2022-10-31 DOI: 10.1109/ISAP53582.2022.9998674
Enlin Wang, Tianling Zhang, A. Zaman, T. Emanuelsson, Per-Arne Thorsen, S. Agneessens, Jian Yang
{"title":"Monopulse Feeding Network Based on New Gap Waveguide Planar Magic-Tees","authors":"Enlin Wang, Tianling Zhang, A. Zaman, T. Emanuelsson, Per-Arne Thorsen, S. Agneessens, Jian Yang","doi":"10.1109/ISAP53582.2022.9998674","DOIUrl":"https://doi.org/10.1109/ISAP53582.2022.9998674","url":null,"abstract":"A compact low-loss monopulse feeding network based on gap waveguide (GW) with two new planar GW magic-Ts is proposed. The four ports of the two planar Magic-Ts are in the same plane, which makes it possible to cascade magic-Ts to achieve a monopulse feeding network in a single plate for one polarization. The bandwidth of simulated reflection coefficient below $-10 dB$ of this monopulse feeding network is 23.5%, covering 30-38GHz. This network is a good candidate for planar monopulse antennas.","PeriodicalId":137840,"journal":{"name":"2022 International Symposium on Antennas and Propagation (ISAP)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130383700","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
Reflected Slow and Fast Wave Attenuation Association with Cancellous Models Porosities and Thicknessess 反射慢波和快波衰减与松质模型孔隙度和厚度的关系
2022 International Symposium on Antennas and Propagation (ISAP) Pub Date : 2022-10-31 DOI: 10.1109/ISAP53582.2022.9998800
M. A. A. Wahab, R. Sudirman, N. H. Mahmood, M. A. A. Razak, S. Daud
{"title":"Reflected Slow and Fast Wave Attenuation Association with Cancellous Models Porosities and Thicknessess","authors":"M. A. A. Wahab, R. Sudirman, N. H. Mahmood, M. A. A. Razak, S. Daud","doi":"10.1109/ISAP53582.2022.9998800","DOIUrl":"https://doi.org/10.1109/ISAP53582.2022.9998800","url":null,"abstract":"Assessment of bone condition using ultrasound based on pulse echo (PE) technique is preferred because the usage of single transducer. The objective of this paper is to conduct an experiment using PE technique to examine the correlation of fast and slow wave attenuation with various porosities of polyurethane (PU) foam. The waves are decompose using bandlimited deconvolution methods. It observed that the fast wave required sufficient thickness of solid structure to interact well. Despite suffer interference with unwanted scattered wave, the reflected fast and slow wave which propagates twice through the bone models and have enough interaction with the internal structure may contribute to the moderate and constant correlation coefficient for every thickness (fast wave, $R_{text{average}}^{2}=0.58$ and slow wave, $R_{text{average}}^{2}=0.70)$.","PeriodicalId":137840,"journal":{"name":"2022 International Symposium on Antennas and Propagation (ISAP)","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116890020","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 Accurate and Simple Method for Measurement of RF Characterization in Thin Substrate 一种精确而简单的测量薄衬底射频特性的方法
2022 International Symposium on Antennas and Propagation (ISAP) Pub Date : 2022-10-31 DOI: 10.1109/ISAP53582.2022.9998792
Sanghyuck Han, Ikhwan Kim, Ju-Ik Oh, Hyo-Won Lee, Seong-Jin Kim, Jong-Won Yu
{"title":"An Accurate and Simple Method for Measurement of RF Characterization in Thin Substrate","authors":"Sanghyuck Han, Ikhwan Kim, Ju-Ik Oh, Hyo-Won Lee, Seong-Jin Kim, Jong-Won Yu","doi":"10.1109/ISAP53582.2022.9998792","DOIUrl":"https://doi.org/10.1109/ISAP53582.2022.9998792","url":null,"abstract":"This paper presents that dielectric constant and loss tangent can be obtained using only two different microstrip lines in a measurement environment despite the thin substrate. It is impossible to calculate the conductor loss and radiation loss exactly only using theory. Therefore, in this paper, using 3-D electromagnetic solver CST Microwave Studio (MWS), the conductor loss was obtained and radiation loss was neglected. As result, in this paper, the dielectric constant has errors of 0.53% and 1.46%, in simulation and measurement each.","PeriodicalId":137840,"journal":{"name":"2022 International Symposium on Antennas and Propagation (ISAP)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128104457","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
Experimental Study of Efficiency with Inductance Load and Relay Coil for Magnetic Field Coupling WPT 带电感负载和继电器线圈的磁场耦合WPT效率实验研究
2022 International Symposium on Antennas and Propagation (ISAP) Pub Date : 2022-10-31 DOI: 10.1109/ISAP53582.2022.9998765
T. Maruyama, Koki Shibata, M. Nakatsugawa
{"title":"Experimental Study of Efficiency with Inductance Load and Relay Coil for Magnetic Field Coupling WPT","authors":"T. Maruyama, Koki Shibata, M. Nakatsugawa","doi":"10.1109/ISAP53582.2022.9998765","DOIUrl":"https://doi.org/10.1109/ISAP53582.2022.9998765","url":null,"abstract":"In magnetic field coupling wireless power transmission, the effects of inserting a parasitic coil between the transmitter and receiver coils and inductance loading on the wireless power transmission efficiency were investigated through measurements using a vector network analyzer. We achieved the significant improvement in wireless power transmission efficiency from 8 % to 44 % at the design frequency of 2 MHz by inserting the parasitic coil for relay between transmission coil and received coil on all of which were impedance loaded, while the improvement in efficiency was only a few per cent when either inductances were loaded or only relay coils were inserted. The measured and analyzed results of both efficiency and maximum efficiency were very similar variation for frequency, although the levels of efficiency of experimental results are less than analyzed one.","PeriodicalId":137840,"journal":{"name":"2022 International Symposium on Antennas and Propagation (ISAP)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131925293","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
Bandwidth Enhancement by Interconnecting Double Hexagonal Loops FSS 双六角形环路FSS互连增强带宽
2022 International Symposium on Antennas and Propagation (ISAP) Pub Date : 2022-10-31 DOI: 10.1109/ISAP53582.2022.9998697
Nur Biha Mohamed Nafis, M. Rahim, M. Himdi
{"title":"Bandwidth Enhancement by Interconnecting Double Hexagonal Loops FSS","authors":"Nur Biha Mohamed Nafis, M. Rahim, M. Himdi","doi":"10.1109/ISAP53582.2022.9998697","DOIUrl":"https://doi.org/10.1109/ISAP53582.2022.9998697","url":null,"abstract":"The paper proposed a mosaic frequency selective surface (MFSS) which comprises of the integration between Koch fractal and a basic double hexagonal loop FSS. Through this integration, the bandwidth (BW) within the first bandstop and bandpass frequency responses achieved a wideband frequency response (fractional bandwidth (FBW) >50%), while the BW of the second bandstop frequency response improved (FBW $sim 20%$). The simulation process is conducted by using the CST software, and the FR4 substrate is used as the dielectric substrate for all of the proposed unit cells. With narrow trace width of the MFSS, the structural element can be further applied for optical transparency application with wideband filtering characteristics.","PeriodicalId":137840,"journal":{"name":"2022 International Symposium on Antennas and Propagation (ISAP)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131993834","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
Ultra-Wideband Dielectric Reflectarray Antenna with OAM beams for mm-Wave Applications 毫米波应用的OAM波束超宽带介质反射天线
2022 International Symposium on Antennas and Propagation (ISAP) Pub Date : 2022-10-31 DOI: 10.1109/ISAP53582.2022.9998677
Ali Ali, M. Khalily, R. Tafazolli
{"title":"Ultra-Wideband Dielectric Reflectarray Antenna with OAM beams for mm-Wave Applications","authors":"Ali Ali, M. Khalily, R. Tafazolli","doi":"10.1109/ISAP53582.2022.9998677","DOIUrl":"https://doi.org/10.1109/ISAP53582.2022.9998677","url":null,"abstract":"The proposed structure is presented to improve the inherited limited bandwidth and reduce the production of grating lobes in reflectarray antennas (RAs). A dielectric RA with 200 mm $times 200$ mm is designed and simulated to produce an orbital angular momentum beam (OAM) of the second mode with averaged realized gain of around 20 dBi in the band of 25-40GHz, which covers most of 5G mm-wave bands (n257, n258, n260, and n261). To achieve the mentioned specifications, an inter-element spacing of 0.25$lambda$ is adopted.","PeriodicalId":137840,"journal":{"name":"2022 International Symposium on Antennas and Propagation (ISAP)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134072098","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
Very Low-Profile and High Aperture Efficiency Fabry-Perot Cavity Antenna 极低轮廓和高孔径效率法布里-珀罗腔天线
2022 International Symposium on Antennas and Propagation (ISAP) Pub Date : 2022-10-31 DOI: 10.1109/ISAP53582.2022.9998580
S. Kim, Young-Geun Jeon, Han-jun Maeng, Dongho Kim
{"title":"Very Low-Profile and High Aperture Efficiency Fabry-Perot Cavity Antenna","authors":"S. Kim, Young-Geun Jeon, Han-jun Maeng, Dongho Kim","doi":"10.1109/ISAP53582.2022.9998580","DOIUrl":"https://doi.org/10.1109/ISAP53582.2022.9998580","url":null,"abstract":"We propose a very low-profile and high aperture efficiency Fabry-Perot cavity antenna. To achieve these characteristics, we block the lateral openings by using four metallic side walls to block leakage. And by designing the PRS properly, we control the resonance mode inside the Fabry-Perot (FP) cavity. Consequently, by forming the lowest-order mode rather than higher-order modes in the proposed antenna, we can avoid radiation performance degradation and obtain a directional beam. Moreover, the proposed antenna can provide high gain and very high aperture efficiency of 77.7 % at a very low antenna profile of only 0.19 $lambda$.","PeriodicalId":137840,"journal":{"name":"2022 International Symposium on Antennas and Propagation (ISAP)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134465018","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 Test of Measurement of Antenna Alignment using Image Processing 利用图像处理技术测量天线对准的试验研究
2022 International Symposium on Antennas and Propagation (ISAP) Pub Date : 2022-10-31 DOI: 10.1109/ISAP53582.2022.9998776
Y. She
{"title":"A Test of Measurement of Antenna Alignment using Image Processing","authors":"Y. She","doi":"10.1109/ISAP53582.2022.9998776","DOIUrl":"https://doi.org/10.1109/ISAP53582.2022.9998776","url":null,"abstract":"This paper introduced a simple position tracing system with the image processing technology to measure the uncertainty due to the antenna misalignment in the extrapolation method. The antenna alignment has been traced in the extrapolation by the camera. The uncertainty due to the misalignment can be evaluated quantitatively in the measurement.","PeriodicalId":137840,"journal":{"name":"2022 International Symposium on Antennas and Propagation (ISAP)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125613176","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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