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2017 IEEE Applied Electromagnetics Conference (AEMC)最新文献

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Stacked fractal tetrahedron shaped dielectric resonator antenna for UWB applications 超宽带应用的叠层分形四面体介质谐振器天线
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325671
K. Trivedi, D. Pujara
{"title":"Stacked fractal tetrahedron shaped dielectric resonator antenna for UWB applications","authors":"K. Trivedi, D. Pujara","doi":"10.1109/AEMC.2017.8325671","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325671","url":null,"abstract":"In this paper, design of an ultrawideband (UWB) stacked fractal tetrahedron shaped dielectric resonator antenna (DRA) is proposed. Fractal slots of triangular shape are created to achieve wide bandwidth (BW). To further improve the bandwidth of DRA, stacking of two different DR materials is considered along with introduction of small parasitic conducting patches. The combination of fractal design, stacking and use of parasitic patches helps in achieving the UWB performance. About 116.7% simulated impedance bandwidth covering frequency range from 3.5 to 13.3 GHz (entire C-and X-band) is achieved. Average gain of about 7 dBi and 98.8% radiation efficiency over the entire band of interest are achieved. All designs parameters and its associated results are included in the paper.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126455831","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: 5
Analysis of μr tan δe and tan δm of magneto dielectric substrates 磁介质衬底的μr tan δe和tan δm分析
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325690
C. Anukumar, P. H. Rao, K. Krishnan, K. Murali
{"title":"Analysis of μr tan δe and tan δm of magneto dielectric substrates","authors":"C. Anukumar, P. H. Rao, K. Krishnan, K. Murali","doi":"10.1109/AEMC.2017.8325690","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325690","url":null,"abstract":"Effect of permeability(μ<inf>r</inf>), dielectric loss tangent (tan δ<inf>e</inf>) and magnetic loss tangent (tan δ<inf>m</inf>) of magneto dielectric (MD) substrates, on the microstrip patch antenna gain and area is presented. A parametrical study has been carried out to analyze the antenna characteristics on the MD substrate. An MD substrate with ε<inf>r</inf>= 7, μ<inf>r</inf>=1.82, tan δ<inf>e</inf> = 0.005, tan δ<inf>m</inf> = 0.02 is realized using commercial grade polypropylene and Y-type hexaferrites (YHF). Effect of permeability on the gain and area of the microstrip patch antenna is analyzed for a range of μ<inf>Γ</inf> from 1 to 15. Microstrip patch antenna on an MD substrate exhibits a gain variation of 2.9dB to 2.08dB for dielectric loss tangent (tan δe) variation from 0.002 to 0.01 and 2.91dB to 0.125dB and magnetic loss tangent (tan δ<inf>m</inf>) variation from 0.02 to 0.05.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122264181","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
On the conceptual equivalence of reflectarray and conductor-backed artificial lens 论反射式与导体式人工晶状体的概念等价性
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325649
V. Lingasamy, M. Akila, K. Selvan
{"title":"On the conceptual equivalence of reflectarray and conductor-backed artificial lens","authors":"V. Lingasamy, M. Akila, K. Selvan","doi":"10.1109/AEMC.2017.8325649","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325649","url":null,"abstract":"This paper reports a preliminary examination on whether the operation of a reflectarray is conceptually equivalent to a flat conducting sheet-backed artificial lens. This examination is done by comparing the estimated reflection phase of a reflectarray with the simulated reflection phase of a reflector-lens and with the transmission phase of a simple, transmitting dielectric lens at X-band. To facilitate simulations, the dielectric lenses are divided into segments, in correspondence with the elements of the reflectarray, and S11/S21 comparisons made between appropriate segments/elements. A reasonable match is noted among these observations.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115930535","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 compact two-port MIMO antenna with enhanced isolation using SRR-loaded slot-loop 一种紧凑的双端口MIMO天线，采用srr负载的时隙环路增强隔离
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325709
D. Sarkar, K. V. Srivastava
{"title":"A compact two-port MIMO antenna with enhanced isolation using SRR-loaded slot-loop","authors":"D. Sarkar, K. V. Srivastava","doi":"10.1109/AEMC.2017.8325709","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325709","url":null,"abstract":"In this paper, a compact two-port MIMO antenna is designed, which uses a shared orthogonally fed slot-loop, loaded with split-ring resonators (SRRs). The SRRs reduce the operating frequency of the slot-loop, leading to miniaturized antenna footprint of 0.059λ2 (λ being the operating wavelength). Also the SRRs significantly enhance the inter-element isolation (>20 dB) in the working band. The proposed two-element MIMO slot-loop antenna exhibits bi-directional broadside radiation pattern with realized gain > 2 dBi in the operating band. Also the evaluated MIMO performance metrics like envelope correlation coefficient (ECC), channel capacity loss (CCL) and total active reflection coefficient (TARC), indicate satisfactory diversity performance. The design concept is validated by experiments on a fabricated prototype of the proposed MIMO antenna.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130431104","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
Modulation of electromagnetic waves by transparent gradient metasurfaces 用透明梯度超表面调制电磁波
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325683
K. K. Katare, S. Sahoo, A. Biswas, M. J. Akhtar
{"title":"Modulation of electromagnetic waves by transparent gradient metasurfaces","authors":"K. K. Katare, S. Sahoo, A. Biswas, M. J. Akhtar","doi":"10.1109/AEMC.2017.8325683","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325683","url":null,"abstract":"This paper illustrates the modulation capability of the metasurface (MS) for the impinging electromagnetic (EM) waves. The metasurface introduces abrupt phase change to the incident EM waves and thus provides flexibility for the out-going beam directions. As a proof of concept, two gradient metasurfaces are designed and simulated. The two metasurfaces are comprised of three and ten number of unit cells (UCs) respectively. The first MS with three UCs introduces high phase gradient in the direction of E-field and causes high deflection to incoming EM waves. In contrast, the second MS with ten UCs, provides low phase gradient which is attributed to less deflection but better side lobe level (SLL). The qualitative analysis of both designs is shown and results are validated through Fermat's principle.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"340 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134100756","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
Design and development of a broadband RF power meter for RF amplifier 射频放大器用宽带射频功率计的设计与研制
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325757
Sanhita Guha, Anuraag Misra, A. Reza
{"title":"Design and development of a broadband RF power meter for RF amplifier","authors":"Sanhita Guha, Anuraag Misra, A. Reza","doi":"10.1109/AEMC.2017.8325757","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325757","url":null,"abstract":"This paper gives a detailed description of design, development and testing of a 400W RF power meter for RF amplifier. The power meter has a broadband frequency response in the band 5MHz–30MHz. The coupling, insertion loss and directivity of the power meter are measured. It has a directivity of better than 30 dB in the band 5MHz–30MHz. The power meter is able to measure forward power and reflected power at the same time. The response of the power meter is found be linear in the power range of 100W–400W with a accuracy of < 5%.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133159473","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
Design of CPW fed non-planar triple band antenna CPW馈电非平面三波段天线的设计
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325716
N. Choudhary, V. K. Saxena, J. S. Saini, D. Bhatnagar
{"title":"Design of CPW fed non-planar triple band antenna","authors":"N. Choudhary, V. K. Saxena, J. S. Saini, D. Bhatnagar","doi":"10.1109/AEMC.2017.8325716","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325716","url":null,"abstract":"In this paper, design and performance of a compact non planar triple band antenna suitable for application on surface of missiles and satellites as well as in wearable and wireless communication systems is proposed. This antenna is designed on Rogers RO 3003 substrate and for its feeding Coplanar Waveguide feed arrangement is applied. Antenna structure is conformed on a hypothetical cylinder of 60 mm radius. Optimization in terms of dimensions of patch and ground plane and curvature of the surface has been done to realize the desired performance in terms of bandwidth and gain.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124232198","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
Gain enhancement of a dual-band monopole antenna loaded with dual-band AMC 加载双频AMC的双频单极天线增益增强
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325746
Vivek Kumar Pandit, A. Harish
{"title":"Gain enhancement of a dual-band monopole antenna loaded with dual-band AMC","authors":"Vivek Kumar Pandit, A. Harish","doi":"10.1109/AEMC.2017.8325746","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325746","url":null,"abstract":"A dual-band Artificial magnetic conductor (AMC) based dual-band antenna operating over WLAN (2.4/5.2/5.8 GHz) bands is presented. The proposed antenna structure consists of a CPW-fed dual-band monopole, loaded with 4×3 AMC unit cells and has a compact dimension of 60×45 mm2. The proposed antenna exhibits unidirectional radiation pattern with front to back ration (FBR) improvement of 15 dB over operating band. It has peak gain of 5.94 and 9.64 dBi at 2.4 and 5.5 GHz respectively. The proposed antenna is fabricated and measured. Experimental result shows that the proposed antenna operates from 2.21–2.9 GHz and 4.83–6.37 GHz.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123405957","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
A WLAN notched wideband monopole antenna for ultra wideband communication applications 用于超宽带通信应用的WLAN陷波宽带单极天线
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325728
A. Utsav, Avinash Kumar, R. K. Badhai
{"title":"A WLAN notched wideband monopole antenna for ultra wideband communication applications","authors":"A. Utsav, Avinash Kumar, R. K. Badhai","doi":"10.1109/AEMC.2017.8325728","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325728","url":null,"abstract":"A compact ultra-wide band planar monopole antenna with double I shaped slots on the ground plane for notched band characteristics in the 5 GHz WLAN band are presented in this paper. The prototype of proposed antenna is designed on FR-4 dielectric material with a very small size as 0.35λ0 χ 0.3λ0 × 0.0166λ0 (λ0 is the wavelength at the lowest operating frequency of the antenna). The proposed antenna having a bandwidth of 42% in the range from 3 GHz to 4.5GHz, before the notch, and 79% from 6.4 GHz to 13 GHz after the notch. The proposed antenna obtained the good impedance matching in the pass band and good isolation for stop band; it also exhibits good antenna gain and efficiency. The proposed design is suitable for various communication purposes, Navigation purposes and Radar technology with a stop notch band at WLAN range.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129120159","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
Design of efficient rectifying circuit for RF energy harvesting applications 射频能量收集应用的高效整流电路设计
2017 IEEE Applied Electromagnetics Conference (AEMC) Pub Date : 2017-12-01 DOI: 10.1109/AEMC.2017.8325694
Sandhya Chandravanshi, M. Akhtar
{"title":"Design of efficient rectifying circuit for RF energy harvesting applications","authors":"Sandhya Chandravanshi, M. Akhtar","doi":"10.1109/AEMC.2017.8325694","DOIUrl":"https://doi.org/10.1109/AEMC.2017.8325694","url":null,"abstract":"This paper presents a new design of rectifying circuit for RF energy harvesting application over 900 MHz band of frequency. The proposed rectifying circuit employs the Dickson charge pump rectifier with a novel optimized matching unit. This matching unit is comprised of radial stubs, open stubs, and evolves by the usage of interdigital capacitors. The rectifying circuit is simulated using Advance design software (ADS), and provides maximum RF to DC conversion efficiency of 77% at the frequency of 900 MHz. The extracted layout of the circuit is found to be 7 × 5 × 1.6 cm3, which can be considered to be quite compact at the operating frequency.","PeriodicalId":397541,"journal":{"name":"2017 IEEE Applied Electromagnetics Conference (AEMC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130550344","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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