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Comparison of Multipactor Analysis Methods for Galileo Signals 伽利略信号多因子分析方法的比较
2018 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2018-09-01 DOI: 10.1109/CAMA.2018.8530632
Olivier Koch
{"title":"Comparison of Multipactor Analysis Methods for Galileo Signals","authors":"Olivier Koch","doi":"10.1109/CAMA.2018.8530632","DOIUrl":"https://doi.org/10.1109/CAMA.2018.8530632","url":null,"abstract":"Multipactor breakdown is one of the design challenges and cost drivers of high power Radio frequency (RF) devices for space applications. Current RF devices are designed to be multipactor free at peak power plus an additional margin. In order to reduce this margin, a better understanding of the breakdown phenomenon for modulated signals is required. To this end, the non-stationary statistical theory of multipactor for parallel plate is extended from continuous wave (CW) and multicarrier (MC) to modulated signals. Galileo signals are analyzed with this method and compared to results obtained by multicarrier approximations and other methods available in the literature.","PeriodicalId":112989,"journal":{"name":"2018 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"256 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124877461","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 and Implementation of an Outdoors Scattering Measurement Range for Full-Scale Targets 一种全尺寸目标室外散射测量范围的设计与实现
2018 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2018-09-01 DOI: 10.1109/CAMA.2018.8530586
J. Alvarez
{"title":"Design and Implementation of an Outdoors Scattering Measurement Range for Full-Scale Targets","authors":"J. Alvarez","doi":"10.1109/CAMA.2018.8530586","DOIUrl":"https://doi.org/10.1109/CAMA.2018.8530586","url":null,"abstract":"A novel RCS measurement system is presented in this work. The measurement technique is based on scanning the target along a 2D-plane. In order to maintain a reasonable size of the test range, the measurement is performed in the near-field region. Beside, the target is located on the floor, avoiding to place full-scale targets on a positioner or pylon. In this context, a com- plete post-processing method is developed to evaluate the far-field static radar cross-section from the near-field observations. Firstly, 3-D Inverse Synthetic Aperture Radar images are computed. Then, scattering centers are extracted which are used for the direct evaluation of the RCS. Due to the vertical scan capability of the system, the ground-plane effects can be identified and suppressed. Different techniques are also embedded in the post- processing methodology to compensate the distortion produced by: antenna radiation pattern, hardware gating and mechanical deviations of the system. Results obtained by simulation and by measured data obtained with a real implementation of the system are presented, illustrating the accuracy and potential of the approach.","PeriodicalId":112989,"journal":{"name":"2018 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125050165","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
Broadband Propagation Channel Measurements and Modeling in an Aircraft Manufacturing Plant 某飞机制造厂宽带传播信道测量与建模
2018 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2018-09-01 DOI: 10.1109/CAMA.2018.8530463
A. Traoré, H. Boeglen, R. Vauzelle, Laurent Fichot, Sébastien Boria
{"title":"Broadband Propagation Channel Measurements and Modeling in an Aircraft Manufacturing Plant","authors":"A. Traoré, H. Boeglen, R. Vauzelle, Laurent Fichot, Sébastien Boria","doi":"10.1109/CAMA.2018.8530463","DOIUrl":"https://doi.org/10.1109/CAMA.2018.8530463","url":null,"abstract":"Deploying a wireless communication infrastructure in a complex industrial environment requires a proper understanding of the propagation channel behaviors. This paper presents measurements, characterization and modeling results of the propagation channel for different use cases in an aircraft assembly line. The measurement campaigns were performed at 2.4 GHz and 5.4 GHz with 100 MHz and 500 MHz bandwidths using a vector network analyzer and a virtual array technique. The results show a rich multipath propagation phenomenon which is characterized by a high Delay Spread ranging from 47 ns to 237 ns. The power delay profiles reveal two different shapes according to the transmitter and receiver link conditions. The diffuse multipath component and the double-exponential models fit well the measured power delay profiles with high correlation rates ranging between 79% and 96%.","PeriodicalId":112989,"journal":{"name":"2018 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"641 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122951811","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
Detection of charged conductor by radar 用雷达探测带电导体
2018 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2018-09-01 DOI: 10.1109/CAMA.2018.8530535
Y. Kuwahara, D. Matsumoto, T. Ushimoto
{"title":"Detection of charged conductor by radar","authors":"Y. Kuwahara, D. Matsumoto, T. Ushimoto","doi":"10.1109/CAMA.2018.8530535","DOIUrl":"https://doi.org/10.1109/CAMA.2018.8530535","url":null,"abstract":"When conductor is charged, 120 Hz vibration is generated by the Coulomb force or electromagnetic force. In this paper, we show that continuous-wave (CW) radar can detect the presence or absence of electric charge on a conductor. In order to further improve the convenience of this method, we propose a system that collates the position information of the conductor detected by the radar with a camera image and displays the presence or absence of charge on the camera image.","PeriodicalId":112989,"journal":{"name":"2018 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"213 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117328470","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
Permittivity and permeability, frequency and Temperature Wideband measurement setup 介电常数和磁导率，频率和温度宽带测量设置
2018 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2018-09-01 DOI: 10.1109/CAMA.2018.8530487
T. Letertre, P. Pouliguen, C. Jégou, P. Sabouroux
{"title":"Permittivity and permeability, frequency and Temperature Wideband measurement setup","authors":"T. Letertre, P. Pouliguen, C. Jégou, P. Sabouroux","doi":"10.1109/CAMA.2018.8530487","DOIUrl":"https://doi.org/10.1109/CAMA.2018.8530487","url":null,"abstract":"Today, we need to precisely know permittivity and permeability value of any kind of material in many domains. We know that temperature has a specific impact on behavior of material. Especially on radio frequencies and microwave applications like biomedical, aeronautics… Furthermore, moisture content in a material has a significant impact. Due to the important variation of temperature in many countries characterization measurement like Radar Cross Section measurement. In the case of radomes on aircraft we find many antennas which are exposed at very high temperature variation. In this way correlation between Temperature and electromagnetic characteristics became essential. In this paper, we propose a technical system to measure the influence of temperature on the dielectric permittivity and permeability on composite material.","PeriodicalId":112989,"journal":{"name":"2018 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128334781","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 Novel Technique of Broadband Circularly Polarized Microstrip Antenna Development withSquare Ring Slot for SAR Application SAR用方环槽宽带圆极化微带天线新技术的研制
2018 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2018-09-01 DOI: 10.1109/CAMA.2018.8530631
F. Kurniawan, J. Sumantyo, Yudha Agung Nugroho, G. Prabowo, A. Munir
{"title":"A Novel Technique of Broadband Circularly Polarized Microstrip Antenna Development withSquare Ring Slot for SAR Application","authors":"F. Kurniawan, J. Sumantyo, Yudha Agung Nugroho, G. Prabowo, A. Munir","doi":"10.1109/CAMA.2018.8530631","DOIUrl":"https://doi.org/10.1109/CAMA.2018.8530631","url":null,"abstract":"This paper presents a novel technique to develop a broadband circularly polarized microstrip antenna by using square ring slot (SRS) for SAR application. The minimum requirements of proposed antenna are 800MHz bandwidth with the resonant frequency at 9.4GHz and workable in circular polarization. To satisfy a broadband bandwidth characteristic, a novel technique, called as SRS technique, is implemented upon the patch radiator. The proposed antenna is designed to produce the left-handed circular polarization (LHCP). It is etched on double layer of NPC-H22A dielectric substrate with the dielectric constant of 2.17 and the thickness of 1.6mm. By implementing SRS technique on the proposed antenna, the bandwidth of axial ratio achieved of 12.7% (8.7GHz–9.9GHz), the impedance bandwidth of 36% (8.5GHz–11.9GHz), and the gain achievement up to 6dBic.","PeriodicalId":112989,"journal":{"name":"2018 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114318257","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
EM Wave Exposure Antenna for Animal Experiments in 26.5 GHz 26.5 GHz动物实验电磁波暴露天线
2018 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2018-09-01 DOI: 10.1109/CAMA.2018.8530477
T. Arima, Yasutaka Murakami, T. Uno
{"title":"EM Wave Exposure Antenna for Animal Experiments in 26.5 GHz","authors":"T. Arima, Yasutaka Murakami, T. Uno","doi":"10.1109/CAMA.2018.8530477","DOIUrl":"https://doi.org/10.1109/CAMA.2018.8530477","url":null,"abstract":"In this days, the next generation wireless communication system such as 5th generation mobile communication is developed. In the system, higher frequency band such as 28 GHz will be used. On the other hand, mobile devices such as smartphone are used in the vicinity of a head in a talking mode, therefore, some EM wave exposure to a human head will be local exposure. In order to evaluate the positive effecton human health, an animal experimental study is necessary. In order to realize local exposure during mobile phone using for the animal experiment, an EM wave local exposure antenna is required. In the animal experiments, electromagnetic wave energy absorption should be focused on a head region of laboratory small animals. In this paper, our developed local exposure system including an antenna for the animal experiment is reported. The working frequency of this system is 26.5 GHz.","PeriodicalId":112989,"journal":{"name":"2018 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"197 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116192864","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
A Double-Band Circularly Polarized Antenna for Satellite Signal Bands in the Ratio of 3: 8 卫星信号波段3:8比双频圆极化天线
2018 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2018-09-01 DOI: 10.1109/CAMA.2018.8530515
M. Matsunaga, M. Yamamoto
{"title":"A Double-Band Circularly Polarized Antenna for Satellite Signal Bands in the Ratio of 3: 8","authors":"M. Matsunaga, M. Yamamoto","doi":"10.1109/CAMA.2018.8530515","DOIUrl":"https://doi.org/10.1109/CAMA.2018.8530515","url":null,"abstract":"A spiral antenna that can receive circularly polarized (CP) waves at two frequencies which are in the ratio of 3 to 8 is suggested in this presentation. Antennas for receivers of satellite signals demand wide beam widths and multi-bands which are in the ratio of 3 to 8. Spiral/loop antennas have advantages of wide bands and wide beam widths compared to patch antennas. For these reasons, the Cross Spiral Antenna (CSA) invented by one of the authors is chosen as a basic structure. An arrangement which achieves two bands, 2.4 GHz and 6.3 GHz, is presented in this paper.","PeriodicalId":112989,"journal":{"name":"2018 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121955834","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
Current Readiness for Quantum Radar Implementation 量子雷达实现的当前准备情况
2018 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2018-09-01 DOI: 10.1109/CAMA.2018.8530617
Matthew J. Brandsema
{"title":"Current Readiness for Quantum Radar Implementation","authors":"Matthew J. Brandsema","doi":"10.1109/CAMA.2018.8530617","DOIUrl":"https://doi.org/10.1109/CAMA.2018.8530617","url":null,"abstract":"With the introduction of the quantum radar concept, there has been a great number of discoveries theoretically about its implementation and the possible benefits for use in remote sensing. As of this date, there has been little experimental realization to bolster the theoretical claims. Thispaper will provide a brief survey of the current status of a quantum radar implementation based on the more relevant research. It will be shown that all of the pieces arecurrently in place to provide simple, proof-of-concept type of quantum radar experiments.","PeriodicalId":112989,"journal":{"name":"2018 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115794784","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
A Dual-Band PIFA for MIMO Half-duplex 4G and Future Full-Duplex 5G communication for Mobile Handsets 用于移动手持设备的MIMO半双工4G和未来全双工5G通信的双频PIFA
2018 IEEE Conference on Antenna Measurements & Applications (CAMA) Pub Date : 2018-09-01 DOI: 10.1109/CAMA.2018.8530466
M. Fakih, A. Diallo, P. L. Thuc, R. Staraj, E. Rachid, O. Mourad
{"title":"A Dual-Band PIFA for MIMO Half-duplex 4G and Future Full-Duplex 5G communication for Mobile Handsets","authors":"M. Fakih, A. Diallo, P. L. Thuc, R. Staraj, E. Rachid, O. Mourad","doi":"10.1109/CAMA.2018.8530466","DOIUrl":"https://doi.org/10.1109/CAMA.2018.8530466","url":null,"abstract":"This paper studies the design of a 4G/LTE and 5G antenna system dedicated to mobile terminals (MTs). Achievingthis target can’t be detached from the fact of multimode functionality when designing antenna systems for MTs. Moreover, in line with the advantages covered by 5G over previous generations, it is good thinking that 5G acquires the fullduplex (FD) feature, which needs, in turn, multiple antennas. But, the design of multiple antennas in compact MTs is a significant challenge, due to both practical and fundamental design tradeoffs. In this paper, multimode mobile antenna system dedicated to FD 5G and Multi-Input-Multi-Output (MIMO) half duplex (HD) 4G applications are designed and studied. The results reveal that it is possible to achieve an efficient multimode antenna system when paying attention to some designing rules during the progress of the study. To demonstrate the effectiveness of the proposed approach, a dual-band Planar Inverted F – Antenna (PIFA) dedicated to MTs was first designed. Based on the obtained results, a double antenna structure, made up of two dual-band PIFA was then proposed. The two antennas terminal provides an isolation of over 20 dB for the 2.6 GHz band and over 35 dB for 3.6 GHz band without additional matching or decoupling structures. A trade-off analysis of bandwidth and efficiency is performed over different antenna locations and configurations. Finally, two fabricated prototypes verify the simulation results for representative cases.","PeriodicalId":112989,"journal":{"name":"2018 IEEE Conference on Antenna Measurements & Applications (CAMA)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134555191","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
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