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2015 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 compact substrate integrated spiral resonator for wireless power transfer 一种用于无线电力传输的紧凑基板集成螺旋谐振器
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324926
X. Lin, Z. Kang, F. Cheng, Yong Fan
{"title":"A compact substrate integrated spiral resonator for wireless power transfer","authors":"X. Lin, Z. Kang, F. Cheng, Yong Fan","doi":"10.1109/IMWS-AMP.2015.7324926","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324926","url":null,"abstract":"In this paper, a substrate integrated spiral resonator based on strongly coupled magnetic resonances, suitable for wireless power transfer (WPT) applications is presented. Compactness that driving loop and source coil are integrated in one substrate, ease of manufacture and application is achieved with high transferring efficiency and large distance. Without load coil, the source coil does not transfer energy that is safe when people use it for wireless power transfer. The design concept is well validated both by the simulation and measurement.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"27 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80625502","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
Approaches to design of fishnet metamaterial structures using RTLM equivalent circuit theory 基于RTLM等效电路理论的鱼网超材料结构设计方法
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324948
Guangxu Shen, Ying Xiong, W. Che, P. Russer
{"title":"Approaches to design of fishnet metamaterial structures using RTLM equivalent circuit theory","authors":"Guangxu Shen, Ying Xiong, W. Che, P. Russer","doi":"10.1109/IMWS-AMP.2015.7324948","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324948","url":null,"abstract":"A novel equivalent circuit for the fishnet metamaterial structure is presented. Using the Rotated Transmission-Line Matrix (RTLM) method, the equivalent circuit of a three-dimensional metamaterial structure is obtained. By firstly employing the circuit model of the multi-resonance hybrid coupled filter, the RTLM equivalent circuit can be well analyzed and used to design high-performance fishnet metamaterial structures. In this paper, a two-order and a three-order fishnet structures can be designed by using the RTLM equivalent circuits. The simulation results verify the validity of the proposed method.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"7 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77964062","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
Hybrid coaxial/substrate integrated waveguide eight-way power divider 混合同轴/衬底集成波导八路功率分配器
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7325011
K. Song, Shunyong Hu, Maoyu Fan, Y. Zhu, Yong Fan
{"title":"Hybrid coaxial/substrate integrated waveguide eight-way power divider","authors":"K. Song, Shunyong Hu, Maoyu Fan, Y. Zhu, Yong Fan","doi":"10.1109/IMWS-AMP.2015.7325011","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7325011","url":null,"abstract":"A hybrid coaxial-substrate integrated waveguide (SIW)-microstrip line power divider is proposed in this paper. The coaxial to oversized coaxial transition and SIW to microstrip line transition is utilized to realize the power divider. The input signal can be divided into arbitrary N ways equally by a set of oversized coaxial to SIW transition structure uniformly distributed along the circumference of the oversized coaxial waveguide. The simulated results of the presented eight-way power divider show that the amplitude and phase balance is good. In addition, compared with the conventional N-way power dividers, this novel power divider has low insertion loss.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"39 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76132135","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
Dual-polarized textile antenna integrated in the three dimensional orthogonal woven fabrics 双极化纺织天线集成在三维正交机织织物中
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324973
Cheng-zhu Du, Fuhui Yang, S. Zhong
{"title":"Dual-polarized textile antenna integrated in the three dimensional orthogonal woven fabrics","authors":"Cheng-zhu Du, Fuhui Yang, S. Zhong","doi":"10.1109/IMWS-AMP.2015.7324973","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324973","url":null,"abstract":"A novel dual-polarized textile antenna integrated in the three dimensional orthogonal woven fabrics is proposed for smart skin. The unique advantages of the antenna are its structural integrity and conformity to the platform. The measured results agree well with the simulated ones, showing the usability of the new generation of load-bearing antennas.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"30 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74226371","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
Study on the multiple-path characteristics of radio wave in indoor corridor environment 室内走廊环境下无线电波多径特性研究
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7325032
Feng Chen, Yuanjian Liu
{"title":"Study on the multiple-path characteristics of radio wave in indoor corridor environment","authors":"Feng Chen, Yuanjian Liu","doi":"10.1109/IMWS-AMP.2015.7325032","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7325032","url":null,"abstract":"With the development of mobile communication key technology, the wireless channel condition has become an important factor to constraint the quality of wireless communication. The wireless channel measurements and modeling of the corridor at 900MHz and 1800MHz is mainly investigated based on the method of Shooting and Bouncing Ray (SBR) in this paper. Some multiple-path parameters are obtained in the simulation, such as the propagation path and root mean square delay spread. The study provides the theoretical foundation to simplify for indoor wave propagation model and benefits the network planning and optimization of indoor wireless communication.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"17 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73491919","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
Scattering in spatiotemporal media 时空介质中的散射
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324991
M. A. Salem, C. Caloz
{"title":"Scattering in spatiotemporal media","authors":"M. A. Salem, C. Caloz","doi":"10.1109/IMWS-AMP.2015.7324991","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324991","url":null,"abstract":"Wave scattering is the process according to which a wave is forced to deviate from its trajectory. In Minkowski space, an electromagnetic wave propagating in a homogeneous medium follows a light-like trajectory (world line). Here, we explore electromagnetic wave scattering at general discontinuities in Minkowski space, corresponding to change in the medium parameters in spacetime. The analysis reveals similarities and differences in wave scattering between spatial and temporal discontinuities. In both cases, a frequency shift (spatial and temporal, respectively) takes place, while in a medium with temporal discontinuities multiple reflections do not occur due to causality.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"170 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85078620","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
Perfectly matched layer for hybrid implicit and explicit-FDTD method 完美匹配层的混合隐式和显式fdtd方法
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7325031
M. Dong, A. Zhang, Juan Chen
{"title":"Perfectly matched layer for hybrid implicit and explicit-FDTD method","authors":"M. Dong, A. Zhang, Juan Chen","doi":"10.1109/IMWS-AMP.2015.7325031","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7325031","url":null,"abstract":"This paper develops a perfectly matched layer (PML) for the hybrid implicit explicit finite-difference time-domain (HIE-FDTD) method. It is demonstrated that the inclusion of the PML is a simple extension of the original HIE-FDTD method. It doesn't affect the weakly condition stability and computational accuracy. Simulation results show that when the time step size satisfies with the time stability condition, the reflection error of the HIE-FDTD method is below -90dB, which demonstrates good absorbing performance of the PML method.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"1 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85493708","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
Tunable power divider based on coupled resonator with high-selectivity filtering response 基于高选择性滤波响应耦合谐振腔的可调谐功率分配器
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324954
Xiu Yin Zhang, Li Gao, Jin-Xu Xu
{"title":"Tunable power divider based on coupled resonator with high-selectivity filtering response","authors":"Xiu Yin Zhang, Li Gao, Jin-Xu Xu","doi":"10.1109/IMWS-AMP.2015.7324954","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324954","url":null,"abstract":"This paper presents a novel tunable filtering power divider with high selectivity and good out-of-band rejection performance. The proposed design utilizes four coupled resonators to obtain the dual functions of power division and filtering. Varactors and resistors are added to enable frequency tuning and enhance the isolation performance, respectively. The circuit is theoretically characterized and implemented for demonstration. The operating frequency can be tuned from 0.83 to 1.13 GHz with good filtering and power division performance. The comparisons of the measured and simulated results are presented to verify the proposed method.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"1 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90310337","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: 9
RCS reduction by metasurface with random distribution of reflection phases 反射相位随机分布的超表面减小RCS
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324988
X. Yang, G. L. Jiang, X. Liu, Jianfeng Yang
{"title":"RCS reduction by metasurface with random distribution of reflection phases","authors":"X. Yang, G. L. Jiang, X. Liu, Jianfeng Yang","doi":"10.1109/IMWS-AMP.2015.7324988","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324988","url":null,"abstract":"This article makes research on novel metasurface with randomly distributed reflection phase, which are expected to effectively reduce radar cross-section (RCS) of conducting objects. We have realized an instance of such metasurface, which is composed of three-layer stacked-patch elements. The RCS-reduction feature of this instance is validated by measurements under normal plane wave incidence. It is observed that the presented metasurface is capable of suppressing the specular reflections of conducting plate significantly for two orthogonal incident polarizations. The presented metasurface also has the potential of providing broadband performance.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"1 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89787413","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
Gbps THz external modulator based on the high electron mobility transistor-metamaterial 基于高电子迁移率晶体管超材料的Gbps太赫兹外调制器
2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI: 10.1109/IMWS-AMP.2015.7324927
Yaxin Zhang, S. Qiao, S. Liang, Ziqiang Yang, Zhihong Feng, Qin Chen
{"title":"Gbps THz external modulator based on the high electron mobility transistor-metamaterial","authors":"Yaxin Zhang, S. Qiao, S. Liang, Ziqiang Yang, Zhihong Feng, Qin Chen","doi":"10.1109/IMWS-AMP.2015.7324927","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2015.7324927","url":null,"abstract":"Utilizing THz waves to transmit data for communication and imaging places high demands in phase and amplitude modulation. Therefore, active devices including modulators and switches have been intensively studied in the THz regime. However, till now these devices still cannot meet the demands of THz systems. In this article we demonstrate an effective, ultra-fast and all electronic grid-controlled THz modulator, which combines an equivalent collective dipolar metamaterial array with an AlGaN/GaN hetero structure. By controlling the carrier concentration of two-dimensional electron gas (2DEG) of the modulator, we realize a resonant mode conversion with blue-shift that significantly improves the modulation speed and depth. This THz modulator achieved 1 GHz modulation speed and 67% modulation depth in real-time dynamic test. Moreover, a 1.19 rad phase shift has also been realized. This active metamaterial modulator can be applied as an effectively and ultra-fast dynamic device in THz wireless communication systems.","PeriodicalId":6625,"journal":{"name":"2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"1 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2015-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76781826","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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