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2012 IEEE Asia-Pacific Conference on Antennas and Propagation最新文献

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Application of bionics in antenna designs 仿生技术在天线设计中的应用
2012 IEEE Asia-Pacific Conference on Antennas and Propagation Pub Date : 2012-10-18 DOI: 10.1109/APCAP.2012.6333148
Y. Liu, Wen Jiang, S. Gong
{"title":"Application of bionics in antenna designs","authors":"Y. Liu, Wen Jiang, S. Gong","doi":"10.1109/APCAP.2012.6333148","DOIUrl":"https://doi.org/10.1109/APCAP.2012.6333148","url":null,"abstract":"Bionics principle is widely applied in many fields. The application of bionics in antenna design is relatively not so common. Some examples are illustrated in this paper to show the use of bionics in antenna design. The results show that it is efficient and valid to design antennas with the bionics principles.","PeriodicalId":178493,"journal":{"name":"2012 IEEE Asia-Pacific Conference on Antennas and Propagation","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121631063","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 compact 3D antenna with comprehensive LTE band coverage for use on notebook hinge 一种紧凑的3D天线，具有全面的LTE频段覆盖，适用于笔记本电脑铰链
2012 IEEE Asia-Pacific Conference on Antennas and Propagation Pub Date : 2012-10-18 DOI: 10.1109/APCAP.2012.6333188
Shih-Hsun Chang, Wen-Jiao Liao
{"title":"A compact 3D antenna with comprehensive LTE band coverage for use on notebook hinge","authors":"Shih-Hsun Chang, Wen-Jiao Liao","doi":"10.1109/APCAP.2012.6333188","DOIUrl":"https://doi.org/10.1109/APCAP.2012.6333188","url":null,"abstract":"A novel compact antenna design that covers most the LTE-Advanced bands is proposed. The antenna, which comprises a thin, etched metal layer, can be patched to the notebook computer hinge. The bended radiator has a small antenna volume and uses the notebook hinge as its support. Two operation bands are available. The lower band covers 698 to 860 MHz and the higher band extends from 1710 to 2690 MHz. Several band broadening and antenna miniaturizing techniques were employed, including the use of parasitic elements, meandered structures, branched structures and a lump element. Simulations and measurements were conducted to verify that the antenna, which is surrounded by metal sheets emulating notebook display and keyboard panels, can function properly. Desirable performance features such as reasonable radiation efficiency, good impedance matching, and omni-directional coverage were observed.","PeriodicalId":178493,"journal":{"name":"2012 IEEE Asia-Pacific Conference on Antennas and Propagation","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126439057","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: 14
Computational design of power transmission symmetric antenna system 输电对称天线系统的计算设计
2012 IEEE Asia-Pacific Conference on Antennas and Propagation Pub Date : 2012-10-18 DOI: 10.1109/APCAP.2012.6333196
K. Takei
{"title":"Computational design of power transmission symmetric antenna system","authors":"K. Takei","doi":"10.1109/APCAP.2012.6333196","DOIUrl":"https://doi.org/10.1109/APCAP.2012.6333196","url":null,"abstract":"Computational design of a symmetric antenna system for wireless power transmission is proposed. The pair of antennas, which consist of small conductive segments, provides the two-port circuit of which ports are feeding points of the antennas. The two-port parameters of this circuit, which are obtained using the method of moments, and the complex impedance of both the power generating and loading circuits enable calculation of the power transmission efficiency. Repetition of the random generation of the segments and numerical calculation of the efficiency provides the antenna design. The numerical results of an example antenna system indicate that the efficiency strongly depends on the value of the real part of the impedance; therefore, precise control of this value is required to maintain better power transmission efficiency.","PeriodicalId":178493,"journal":{"name":"2012 IEEE Asia-Pacific Conference on Antennas and Propagation","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125304499","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
Surface plasmon enhanced optical transmission through subwavelength apertures with carbon nanotubes 表面等离子体增强了碳纳米管通过亚波长孔径的光传输
2012 IEEE Asia-Pacific Conference on Antennas and Propagation Pub Date : 2012-10-18 DOI: 10.1109/APCAP.2012.6333150
E. A. Nasir., Q. Y. Wu, Z. N. Chen, J. Teng, Q. Zhang
{"title":"Surface plasmon enhanced optical transmission through subwavelength apertures with carbon nanotubes","authors":"E. A. Nasir., Q. Y. Wu, Z. N. Chen, J. Teng, Q. Zhang","doi":"10.1109/APCAP.2012.6333150","DOIUrl":"https://doi.org/10.1109/APCAP.2012.6333150","url":null,"abstract":"Optical transmission through subwavelength holes perforated in metal films in the Terahertz region is enhanced through the coupling of spoof surface plasmons (SSPs) and light. It is known that light transmitted inside the subwavelength hole cavity peaks at certain wavelengths, which correspond to the excitation of the SP modes. This transmission is boosted as the SP modes in both sides of the metal are matched. In this paper, we show that hybridization of plasmonic metal hole-arrays with semiconducting single-walled carbon nanotubes leads to enhanced transmission.","PeriodicalId":178493,"journal":{"name":"2012 IEEE Asia-Pacific Conference on Antennas and Propagation","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131918173","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 brief review of wideband circularly-polarized planar antenna design 宽带圆极化平面天线设计综述
2012 IEEE Asia-Pacific Conference on Antennas and Propagation Pub Date : 2012-10-18 DOI: 10.1109/APCAP.2012.6333145
Yizhu Shen, C. Law
{"title":"A brief review of wideband circularly-polarized planar antenna design","authors":"Yizhu Shen, C. Law","doi":"10.1109/APCAP.2012.6333145","DOIUrl":"https://doi.org/10.1109/APCAP.2012.6333145","url":null,"abstract":"Wideband circularly-polarized antenna is one of the key components in the wireless systems. This paper briefly reviews the design mechanisms of circularly-polarized antenna, and discusses their advantages and disadvantages. In addition, two circularly-polarized planar antennas for ultra-wideband systems developed in our group are also presented and discussed in this paper.","PeriodicalId":178493,"journal":{"name":"2012 IEEE Asia-Pacific Conference on Antennas and Propagation","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133755645","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
Dual-mode synthesized microstrip lines and their applications to innovative antenna arrays 双模合成微带线及其在新型天线阵列中的应用
2012 IEEE Asia-Pacific Conference on Antennas and Propagation Pub Date : 2012-10-18 DOI: 10.1109/APCAP.2012.6333250
T. Ma, Jyh-Woei Tsai, Kai-Chi Lin, Cheng-Hsun Wu, C. Lai, Jyun-Yu Zou, Chen-Yuan Shiau
{"title":"Dual-mode synthesized microstrip lines and their applications to innovative antenna arrays","authors":"T. Ma, Jyh-Woei Tsai, Kai-Chi Lin, Cheng-Hsun Wu, C. Lai, Jyun-Yu Zou, Chen-Yuan Shiau","doi":"10.1109/APCAP.2012.6333250","DOIUrl":"https://doi.org/10.1109/APCAP.2012.6333250","url":null,"abstract":"This paper gives a brief summary of the design concept of the so-called “dual-mode” synthesized transmission lines with their applications to novel antenna arrays. The dual-mode synthesized line, by definition, is a miniaturized, nonperiodic basic building block capable of providing distinct circuit responses in different frequency bands of interest. The design methodology will be introduced briefly, followed by two application examples including the dual-mode retrodirective array and dual-band decoupling network. Prospective applications are discussed at the end of the paper.","PeriodicalId":178493,"journal":{"name":"2012 IEEE Asia-Pacific Conference on Antennas and Propagation","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131911348","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 low-cost 2.45-GHz wireless power link for biomedical devices 用于生物医学设备的低成本2.45 ghz无线电源链路
2012 IEEE Asia-Pacific Conference on Antennas and Propagation Pub Date : 2012-10-18 DOI: 10.1109/APCAP.2012.6333223
Sanming Hu, J. Cheong, Yuan Gao, M. C. K. Ho, M. Je, M. Madihian, S. Khait
{"title":"A low-cost 2.45-GHz wireless power link for biomedical devices","authors":"Sanming Hu, J. Cheong, Yuan Gao, M. C. K. Ho, M. Je, M. Madihian, S. Khait","doi":"10.1109/APCAP.2012.6333223","DOIUrl":"https://doi.org/10.1109/APCAP.2012.6333223","url":null,"abstract":"This paper presents a 2.45-GHz wireless link to power on the miniaturized biomedical devices. In this link, a chip antenna is adopted for RF power transmitting, and a resonant network consisting of a compact inductor and a chip capacitor is employed for energy harvesting. A prototype is fabricated and measured in the time- and frequency-domain. The measured results show that this power transfer link meets the system requirement. In addition, in the case of a capacitor with 20% variation, this link can still achieve the system required efficiency. It therefore eliminates the adaptive matching circuit and simplifies the system design.","PeriodicalId":178493,"journal":{"name":"2012 IEEE Asia-Pacific Conference on Antennas and Propagation","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134426980","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
Preliminary estimate for observability of 60 GHz wireless body area networks 60 GHz无线体域网络可观测性的初步估计
2012 IEEE Asia-Pacific Conference on Antennas and Propagation Pub Date : 2012-10-18 DOI: 10.1109/APCAP.2012.6333172
X. Wu, Y. Nechayev, C. Constantinou, P. Hall, A. Brizzi, A. Pellegrini, Y. Hao, C. Parini
{"title":"Preliminary estimate for observability of 60 GHz wireless body area networks","authors":"X. Wu, Y. Nechayev, C. Constantinou, P. Hall, A. Brizzi, A. Pellegrini, Y. Hao, C. Parini","doi":"10.1109/APCAP.2012.6333172","DOIUrl":"https://doi.org/10.1109/APCAP.2012.6333172","url":null,"abstract":"Observability of 60 GHz wireless body area networks is being investigated, in the context of the maximum outdoor detection range for such a network. An off-body channel within a scattering environment has been characterized. By decomposing the detection channel into a free-space channel and a body-local environment channel, an observability estimation model is proposed based on the measured data.","PeriodicalId":178493,"journal":{"name":"2012 IEEE Asia-Pacific Conference on Antennas and Propagation","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133252717","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
An LTE/WWAN antenna contains monopole and coupled-fed loop for internal mobile phone LTE/WWAN天线包含单极和耦合馈电环路，用于手机内部
2012 IEEE Asia-Pacific Conference on Antennas and Propagation Pub Date : 2012-10-18 DOI: 10.1109/APCAP.2012.6333187
Wen‐Shan Chen, Jing-wei Wang
{"title":"An LTE/WWAN antenna contains monopole and coupled-fed loop for internal mobile phone","authors":"Wen‐Shan Chen, Jing-wei Wang","doi":"10.1109/APCAP.2012.6333187","DOIUrl":"https://doi.org/10.1109/APCAP.2012.6333187","url":null,"abstract":"This article presents an LTE/WWAN antenna for mobile phone application. The low operation band from 690-1100 MHz is excited by two coupled-fed loops for applying at LTE700/GSM850/900 band. The high operation band from 1700-2690 MHz for GSM1800/1900/UMTS/LTE2300/2500 band is achieved by two monopoles and an inverted-C-shaped strip attached with the coupled-fed loop. A 33 nH chip inductor is inserted in a monopole for decreasing resonant length.","PeriodicalId":178493,"journal":{"name":"2012 IEEE Asia-Pacific Conference on Antennas and Propagation","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133469282","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
Characterizing mutual impedance of conical spiral antenna array for radio telescope application 射电望远镜用锥形螺旋天线阵相互阻抗特性研究
2012 IEEE Asia-Pacific Conference on Antennas and Propagation Pub Date : 2012-10-18 DOI: 10.1109/APCAP.2012.6333257
S. Padhi, H. Hui
{"title":"Characterizing mutual impedance of conical spiral antenna array for radio telescope application","authors":"S. Padhi, H. Hui","doi":"10.1109/APCAP.2012.6333257","DOIUrl":"https://doi.org/10.1109/APCAP.2012.6333257","url":null,"abstract":"This paper presents a detail analysis of conical spiral antenna on dispersive soil for SKA radio telescope application. An accurate formulation for calculation of mutual coupling effects in conical spiral antenna is introduced. The effects of mutual coupling are characterized in terms of design parameter. The mutual coupling formulation can be extended to include the effects in array configurations.","PeriodicalId":178493,"journal":{"name":"2012 IEEE Asia-Pacific Conference on Antennas and Propagation","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122155951","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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