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2014 1st Australian Microwave Symposium (AMS)最新文献

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On the usage of diffraction effect for chipless RFID systems 衍射效应在无芯片RFID系统中的应用
2014 1st Australian Microwave Symposium (AMS) Pub Date : 2014-06-26 DOI: 10.1109/AUSMS.2014.7017356
Mohammad Zomorrodi, N. Karmakar
{"title":"On the usage of diffraction effect for chipless RFID systems","authors":"Mohammad Zomorrodi, N. Karmakar","doi":"10.1109/AUSMS.2014.7017356","DOIUrl":"https://doi.org/10.1109/AUSMS.2014.7017356","url":null,"abstract":"Diffraction of electromagnetic wave by a conductive strip on a dielectric slab is studied through Kobayashi potential technique. The strip is designed to maximize the cross-component of the backscattered signal hence the conductive strip performs as an EM-polarizer. This characteristic is been utilized at the radio frequency identification (RFID) system to propose a chipless tag structure with enhanced data encoding capacity.","PeriodicalId":108280,"journal":{"name":"2014 1st Australian Microwave Symposium (AMS)","volume":"28 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123549153","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
Improved filter tuning in the time domain 改进了时域滤波器调谐
2014 1st Australian Microwave Symposium (AMS) Pub Date : 2014-06-26 DOI: 10.1109/AUSMS.2014.7017349
S. Burger, M. Hoeft
{"title":"Improved filter tuning in the time domain","authors":"S. Burger, M. Hoeft","doi":"10.1109/AUSMS.2014.7017349","DOIUrl":"https://doi.org/10.1109/AUSMS.2014.7017349","url":null,"abstract":"The well-known Time Domain Tuning has the disadvantage that the tuning direction of the resonance is uncertain. This paper presents a new method of using the phase of the filter return loss to determine the tuning direction.","PeriodicalId":108280,"journal":{"name":"2014 1st Australian Microwave Symposium (AMS)","volume":"553 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116644479","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
Application of metamaterial-inspired resonators in compact microwave displacement sensors 超材料激发谐振器在小型微波位移传感器中的应用
2014 1st Australian Microwave Symposium (AMS) Pub Date : 2014-06-26 DOI: 10.1109/AUSMS.2014.7017345
A. K. Horestani, Z. Shaterian, D. Abbott, C. Fumeaux
{"title":"Application of metamaterial-inspired resonators in compact microwave displacement sensors","authors":"A. K. Horestani, Z. Shaterian, D. Abbott, C. Fumeaux","doi":"10.1109/AUSMS.2014.7017345","DOIUrl":"https://doi.org/10.1109/AUSMS.2014.7017345","url":null,"abstract":"There is an emerging interest in the application of metamaterial-inspired resonators for the realization of smart sensors. This paper briefly describes two main categories of metamaterial-inspired displacement sensors, namely, the displacement sensors based on shift in the resonance frequency, and sensors based on changes in the depth of resonance. The paper also highlights the advantages and disadvantages of each category in terms of dynamic range, sensitivity, compactness, and robustness to noise and changes in ambient conditions.","PeriodicalId":108280,"journal":{"name":"2014 1st Australian Microwave Symposium (AMS)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122815768","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: 13
State-space analysis of left-handed transmission lines 左手传输线的状态空间分析
2014 1st Australian Microwave Symposium (AMS) Pub Date : 2014-06-26 DOI: 10.1109/AUSMS.2014.7017340
G. Milford
{"title":"State-space analysis of left-handed transmission lines","authors":"G. Milford","doi":"10.1109/AUSMS.2014.7017340","DOIUrl":"https://doi.org/10.1109/AUSMS.2014.7017340","url":null,"abstract":"In this paper we illustrate the use of a state space approach for the analysis of left-handed transmission lines, where an RLC equivalent circuit model is used to represent the transmission line. Steady state S-parameter frequency responses can be obtained directly from the state matrices, whereas the temporal response for arbitrary input excitations requires solution of the state equation. Validation using conventional methods is demonstrated.","PeriodicalId":108280,"journal":{"name":"2014 1st Australian Microwave Symposium (AMS)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127905948","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
Assessing the effects of field plates in an AlGaN/GaN-on-SiC HEMT model extraction 评估场板在AlGaN/GaN-on-SiC HEMT模型提取中的影响
2014 1st Australian Microwave Symposium (AMS) Pub Date : 2014-06-26 DOI: 10.1109/AUSMS.2014.7017344
B. Schwitter, J. Tarazi, A. Parker, S. Mahon
{"title":"Assessing the effects of field plates in an AlGaN/GaN-on-SiC HEMT model extraction","authors":"B. Schwitter, J. Tarazi, A. Parker, S. Mahon","doi":"10.1109/AUSMS.2014.7017344","DOIUrl":"https://doi.org/10.1109/AUSMS.2014.7017344","url":null,"abstract":"The contributions of gate-connected and source-connected field plates to extracted device capacitances (gate-source, gate-drain and drain-source capacitance) are assessed during the development of an AlGaN/GaN-on-SiC HEMT model. The capacitances due to the presence of a gate field plate are observed to be intrinsic in nature, while those associated with a source-connected field plate can be regarded as extrinsic. Close agreement is observed between measurement and simulation of S-parameters using a device model which considers the individual effects of the field plates.","PeriodicalId":108280,"journal":{"name":"2014 1st Australian Microwave Symposium (AMS)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127496563","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
0.1-µm GaAs PHEMT W-band low noise amplifier MMIC using coplanar waveguide technology 采用共面波导技术的0.1µm GaAs PHEMT w波段低噪声MMIC放大器
2014 1st Australian Microwave Symposium (AMS) Pub Date : 2014-06-26 DOI: 10.1109/AUSMS.2014.7017336
A. Bessemoulin, J. Tarazi, M. G. McCulloch, S. Mahon
{"title":"0.1-µm GaAs PHEMT W-band low noise amplifier MMIC using coplanar waveguide technology","authors":"A. Bessemoulin, J. Tarazi, M. G. McCulloch, S. Mahon","doi":"10.1109/AUSMS.2014.7017336","DOIUrl":"https://doi.org/10.1109/AUSMS.2014.7017336","url":null,"abstract":"This paper presents the performance of a first pass design W-band low noise amplifier MMIC, based on coplanar waveguide (CPW) technology, and utilising 100-nm gate-length GaAs pseudomorphic power HEMTs. With a chip size of less than 1.4 mm2, this two-stage LNA achieves an average small signal gain of 12 dB between 80 and 100 GHz. The measured noise figure averages 5 dB up to 94 GHz. To the author knowledge, this performance is one of the very few reported for W-band LNAs fabricated in commercially available foundry process. It is also comparable to the best results reported with more advanced InP or Metamorphic HEMT low noise technologies.","PeriodicalId":108280,"journal":{"name":"2014 1st Australian Microwave Symposium (AMS)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129076049","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: 8
Microwave imaging system to provide portable-low-powered medical facility for the detection of intracranial hemorrhage 为检测颅内出血提供便携式低功率医疗设施的微波成像系统
2014 1st Australian Microwave Symposium (AMS) Pub Date : 2014-06-26 DOI: 10.1109/AUSMS.2014.7017347
A. Mobashsher, A. Abbosh
{"title":"Microwave imaging system to provide portable-low-powered medical facility for the detection of intracranial hemorrhage","authors":"A. Mobashsher, A. Abbosh","doi":"10.1109/AUSMS.2014.7017347","DOIUrl":"https://doi.org/10.1109/AUSMS.2014.7017347","url":null,"abstract":"A microwave head imaging prototype to detect intracranial hemorrhage is presented. The prototype system comprises of a compact ultra-wideband (UWB) antenna, custom-made transceiver and an image processing unit. The system is experimentally tested on a realistic three-dimensional (3D) printed human head phantom. A confocal image processing algorithm based on delay and sum approach is used to rapidly map the scanned layer of the head phantom. The low-cost, fast application, prompt detection and portability features of the proposed model make it a strong candidate to be used by the first response paramedics.","PeriodicalId":108280,"journal":{"name":"2014 1st Australian Microwave Symposium (AMS)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128015725","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: 16
Reconfigurable Software Defined Radar for medical imaging 用于医学成像的可重构软件定义雷达
2014 1st Australian Microwave Symposium (AMS) Pub Date : 2014-06-26 DOI: 10.1109/AUSMS.2014.7017343
J. Marimuthu, K. Bialkowski, A. Abbosh
{"title":"Reconfigurable Software Defined Radar for medical imaging","authors":"J. Marimuthu, K. Bialkowski, A. Abbosh","doi":"10.1109/AUSMS.2014.7017343","DOIUrl":"https://doi.org/10.1109/AUSMS.2014.7017343","url":null,"abstract":"A low-cost, portable and reconfigurable Software Defined Radar (SDRadar) based is proposed for medical imaging. The proposed system can replace the commercial VNA, which is currently used in experimental microwave imaging systems. The proposed SDRadar has the capability to produce synthetic stepped-frequency continuous wave, frequency modulated continuous waveforms (FMCW) and pseudo random noise waveforms that can be used for non-linear and time variant medium. This will lead to a vital opportunity to improve the time, resolutions and accuracy in microwave-based medical imaging. Furthermore, the proposed device with hybrid waveforms can be designed for better imaging of complex human tissues.","PeriodicalId":108280,"journal":{"name":"2014 1st Australian Microwave Symposium (AMS)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133654692","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
An SDR duplex filter in SOI technology SOI技术中的SDR双工滤波器
2014 1st Australian Microwave Symposium (AMS) Pub Date : 2014-06-26 DOI: 10.1109/AUSMS.2014.7017350
M. Pourakbar, Raheleh Eslampanah, M. Faulkner, Markus Törmänen, H. Sjöland
{"title":"An SDR duplex filter in SOI technology","authors":"M. Pourakbar, Raheleh Eslampanah, M. Faulkner, Markus Törmänen, H. Sjöland","doi":"10.1109/AUSMS.2014.7017350","DOIUrl":"https://doi.org/10.1109/AUSMS.2014.7017350","url":null,"abstract":"A Software-Defined Radio (SDR) mobile handset must cover multiple frequency bands with different frequency division duplex distances. This calls for an adaptive duplexer, which needs a low-isolation device to create an initial isolation. Such a device is implemented in a 130 nm Silicon-on-Insulator (SOI) process. Its performance benefits from a high-Q laminated PCB inductor which has a measured inductance and Q-factor at 2 GHz of 1.19 nH and 125, respectively. The tunable low-isolation device provides an isolation exceeding 30 dB at both transmit and receive frequencies of each targeted four LTE frequency bands. The insertion loss from PA to antenna is below 2 dB in LTE band I. The implemented circuit occupies an area of 2.4 mm2.","PeriodicalId":108280,"journal":{"name":"2014 1st Australian Microwave Symposium (AMS)","volume":"125 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132491386","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 feasible detection technique for chipless RFID systems based on likelihood 基于似然的无芯片RFID系统可行检测技术
2014 1st Australian Microwave Symposium (AMS) Pub Date : 2014-06-26 DOI: 10.1109/AUSMS.2014.7017338
C. Divarathne, N. Karmakar
{"title":"A feasible detection technique for chipless RFID systems based on likelihood","authors":"C. Divarathne, N. Karmakar","doi":"10.1109/AUSMS.2014.7017338","DOIUrl":"https://doi.org/10.1109/AUSMS.2014.7017338","url":null,"abstract":"This paper investigates a scalable likelihood detection techniques for chipless RFID tag reading. Detection error rate (DER) of a 4-bit multi-resonator chipless tag reading is performed using proposed detection algorithm. The computation complexity of the proposed detection method is significantly less compared to the other reported maximum likelihood (ML) detection techniques hence it is a feasible reading technique especially under larger number of tag bits. Validity of the proposed detection technique was verified using Computer Simulation Technology (CST) and MATLAB simulations.","PeriodicalId":108280,"journal":{"name":"2014 1st Australian Microwave Symposium (AMS)","volume":"2012 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125635003","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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