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2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)最新文献

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A QFN packaged grid array antenna in low dielectric constant LTCC for D-band applications 用于d波段应用的低介电常数LTCC的QFN封装网格阵列天线
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588410
Camilla Kärnfelt, Bing Zhang, H. Zirath
{"title":"A QFN packaged grid array antenna in low dielectric constant LTCC for D-band applications","authors":"Camilla Kärnfelt, Bing Zhang, H. Zirath","doi":"10.1109/IMWS-AMP.2016.7588410","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588410","url":null,"abstract":"A medium-gain Grid Array Antenna (GAA) is developed and manufactured in ESL41110, a low εr Low Temperature Co-fired Ceramics (LTCC) from ElectroScience Laboratory. The antenna dimensions are 12 mm × 12 mm × 0.3 mm and it has a measured impedance bandwidth from 135 to 142 GHz, with a boresight maximum gain of 7.96 dBi and vertical beams. In order to realize this antenna, new LTCC fabrication steps had to be developed and qualified in the in-house procedure, including laser ablation of gold in the green state as well as after sintering.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"259 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115991722","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: 11
Plasmonic metamaterials based subwavelength multiband antenna for wireless energy harvesting 基于等离子体超材料的亚波长多波段无线能量采集天线
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588367
Y. Zhou, Liu Yang, Q. Xiao, T. Y. Pan, H. Ma, Chong Tan
{"title":"Plasmonic metamaterials based subwavelength multiband antenna for wireless energy harvesting","authors":"Y. Zhou, Liu Yang, Q. Xiao, T. Y. Pan, H. Ma, Chong Tan","doi":"10.1109/IMWS-AMP.2016.7588367","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588367","url":null,"abstract":"Here three subwavelength multiband receiving antennas have been designed using corrugated ring resonator printed on a thin dielectric substrate with spiral-shaped defect ground structure (DGS). Numerical simulations verified that these multiband antennas have multiband with a small size of only 0.1λ*0.1λ. In addition, a 2*2 antenna array has been proposed and numerically demonstrated that the gain can be further improved based on the above antenna with dimension of 33mm*33mm. Such subwavelength multiband receiving antennas are necessary for efficient wireless energy harvesting (WEH), which can find many applications in various areas including internet of things (IoT), smart house, RFID, wireless sensor network (WSN), and so on. More detailed work will be presented in the final paper.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117302778","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
Suppressing inside-substrate near-field magnetic coupling using SI-SRRs for the patch antenna arrays 利用si - srr抑制衬底内近场磁耦合的贴片天线阵列
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588318
Zhao-Xuan Liu, Jiafu Wang, S. Qu, Jie-qiu Zhang, Hangying Yuan, Yajuan Han, X. Zhuo, A. Zhang
{"title":"Suppressing inside-substrate near-field magnetic coupling using SI-SRRs for the patch antenna arrays","authors":"Zhao-Xuan Liu, Jiafu Wang, S. Qu, Jie-qiu Zhang, Hangying Yuan, Yajuan Han, X. Zhuo, A. Zhang","doi":"10.1109/IMWS-AMP.2016.7588318","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588318","url":null,"abstract":"In this letter, we propose the decoupling technique of patch antenna arrays by suppressing near-field magnetic coupling (NFMC) using magnetic metamaterials unite cells. To this end, a highly-integrated linked magnetic metamaterial unite cells, the substrate-integrated split-ring resonator (SI-SRR), is firstly proposed to achieve negative permeability at the antenna operating frequency. By integrating SI-SRR in between two closely spaced antennas, magnetic fields are blocked in the shared substrate due to negative permeability of SI-SRR, reducing NFMC between the two antennas. To verify the technique, a prototype was fabricated and measured. The experiment results demonstrated that the isolation can be enhanced by more than 20.8dB even when the gap between the two patch antennas is only about 0.083λ. Due to high integration, this technique provides an effective alternative to high-isolation antenna arrays.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114240806","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 novel rectifying circuit with circulator in microwave power transmission 微波功率传输中一种新型环形整流电路
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588461
H. Cao, Chengzhuo Zhu, Jing Liu, Lu Tao, Xiaodong Wu, Xiaoheng Tan
{"title":"A novel rectifying circuit with circulator in microwave power transmission","authors":"H. Cao, Chengzhuo Zhu, Jing Liu, Lu Tao, Xiaodong Wu, Xiaoheng Tan","doi":"10.1109/IMWS-AMP.2016.7588461","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588461","url":null,"abstract":"A novel rectifying circuit is developed at large dynamic input power conditions. This rectifying circuit utilizes the circulator in which the microwave is constrained to travel one-way. The reflected microwave caused by mismatch is lead to next rectifying circuit and the conversion efficiency is guaranteed 54%. The power conversion efficiency (PCE) is achieved at 20dBm input power condition. The experiment results demonstrate the PCE of this novel rectifying circuit is more stable than traditional rectifying circuit at large dynamic input power conditions.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125278443","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
Terahertz metasurface studies based on the near-field spectroscopy 基于近场光谱学的太赫兹超表面研究
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588373
J. Gu, Xueqian Zhang, Qiu Wang, Yuehong Xu, Z. Tian, C. Ouyang, Ming-xia He, Jiaguang Han, Weili Zhang
{"title":"Terahertz metasurface studies based on the near-field spectroscopy","authors":"J. Gu, Xueqian Zhang, Qiu Wang, Yuehong Xu, Z. Tian, C. Ouyang, Ming-xia He, Jiaguang Han, Weili Zhang","doi":"10.1109/IMWS-AMP.2016.7588373","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588373","url":null,"abstract":"Metasurface, as a kind of metamaterials with only one or two layers of functional structures, has arouses a world-wide research enthusiasm during the past several years. Especially, recent studies on metasurfaces working in the terahertz regime has partly fullfilled the emergent lack for the terahertz devices, which is a long-term bottleneck on the terahertz science and technology. Until now, most terahertz metasurfaces were designed, demonstrated and applied for the far-field utilization. However, in recent years, kinds of near-field terahertz technique have become more and more powerful and convenient to use, which facilities a new aspect of terahertz metasurface research. Here we presented the recent terahertz near-field studies on several metasurface-based terahertz devices, including two anomalous surface wave couplers and a meta-lens array. The near-field method not only gives a new tool for the terahertz metasurface study, but also makes the terahertz surface wave researches possible, which may broadly promote the development of the terahertz device technology.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127063846","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 method for designing generalized continuous power amplifier 一种广义连续功率放大器的设计方法
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588462
Qirong Li, Songbai He, Zhijiang Dai, Weimin Shi
{"title":"A method for designing generalized continuous power amplifier","authors":"Qirong Li, Songbai He, Zhijiang Dai, Weimin Shi","doi":"10.1109/IMWS-AMP.2016.7588462","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588462","url":null,"abstract":"In this paper, a method for designing generalized continuous harmonic-tuned power amplifier (PA) is introduced. A more generalized continuum mode is presented by combining the resistive-reactive continuous Class-F mode and resistive-reactive continuous inverse Class-F mode. The strict harmonic impedances termination conditions are relaxed. Also, as the effect of the nonlinear capacitance, the design focus more on the fundamental impedances matching. And a broadband PA is designed based on this method. The output power is more than 12W with the gain over 11dB form 2.4 to 3.75 GHz. And the drain efficiency (DE) is from 66% to 71% across the design band.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122499373","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
Metasurface in microwave region: Theory and applications 微波区的超表面:理论与应用
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588339
Kuang Zhang, Haitang Yang, Yueyi Yuan, Xumin Ding, Qun Wu
{"title":"Metasurface in microwave region: Theory and applications","authors":"Kuang Zhang, Haitang Yang, Yueyi Yuan, Xumin Ding, Qun Wu","doi":"10.1109/IMWS-AMP.2016.7588339","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588339","url":null,"abstract":"In this paper, recent works of metasurface in microwave region are reviewed. First, ultra-thin metasurface based on phase discontinuity is introduced. Different spatial phase functions are adopted to achieve manipulation of wavefront, including bi-polarization metalens and orbital angular momentum. Second, metasurface based on transformation optics is studied. A four-beam antenna is constructed based on metasurfaces, which is verified by experimental results. Our designs provide a promising approach to miniaturize, planarize and integrate multiple microwave components.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116457442","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
W-band four-way E-plane waveguide power divider w波段四路e平面波导分压器
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588450
Tongxin Su, Yu Changjiang, Minghua Zhao
{"title":"W-band four-way E-plane waveguide power divider","authors":"Tongxin Su, Yu Changjiang, Minghua Zhao","doi":"10.1109/IMWS-AMP.2016.7588450","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588450","url":null,"abstract":"A four-way rectangular waveguide power divider/combiner has been developed in W-band. The waveguide power divider was achieved with improved E-plane T-junction structure. The input power can be divided into four parts in same amplitude, two of the four output ports and other two are out phase. The power divider has been simulated in HFSS (High Frequency Structure Simulator). The simulation result shows that S11 is below -19dB in the whole W-band, S21, S31, S41 and S51 are all very close to -6dB, the insertion loss is tiny.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133825050","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
Fast model generation for AlGaN/GaN HEMTs with the consideration of self-heating and charge trapping effects 考虑自热和电荷俘获效应的AlGaN/GaN hemt快速模型生成
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588311
Andong Huang, Z. Zhong, Yong-xin Guo, Wen Wu
{"title":"Fast model generation for AlGaN/GaN HEMTs with the consideration of self-heating and charge trapping effects","authors":"Andong Huang, Z. Zhong, Yong-xin Guo, Wen Wu","doi":"10.1109/IMWS-AMP.2016.7588311","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588311","url":null,"abstract":"In this paper, a large signal model for AlGaN/GaN HEMTs is proposed which accounts for the thermal and trapping effects. Polynomials and overdetermined system is introduced to better address the complex thermal effect. The extraction is simple and fast compared with empirical models, since only solving overdetermined linear equations is required for the extraction of Ids. The extracted trapping and thermal related nonlinear coefficients are then represented by artificial neural network. Finally, a large signal model is constructed in Advanced Design System, and good agreements have been observed between the measured and simulated S-parameters, bias current, Pout, Gain and PAE under both 50Ohm and optimal load, which further validates the proposed model.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133533283","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
Reconfigurable graphene reflectarray with switchable focus 具有可切换焦点的可重构石墨烯反射阵列
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588322
Ben You, Liang Zhou, Linsheng Wu, J. Mao
{"title":"Reconfigurable graphene reflectarray with switchable focus","authors":"Ben You, Liang Zhou, Linsheng Wu, J. Mao","doi":"10.1109/IMWS-AMP.2016.7588322","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588322","url":null,"abstract":"A reconfigurable graphene reflectarray (RGRA) is proposed with the electrically switchable focus for incident (quasi-)spherical waves. The geometry- and chemical potential-dependent reflection phase is explored for the reflective graphene patch cells, which is further assigned to specific parts of the RGRA. The full-wave simulated results demonstrate that the proposed structure can provide a dynamically controllable focus at 1.5 THz. The peak realized gain and the radiation efficiency are higher than 22 dBi and 65%, respectively, for both the short and long focuses of 3.2λ and 8.0λ.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129826978","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
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