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The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology最新文献

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Comparisons of anti-jamming property of array configurations for MIMO radar with the same virtual array 相同虚拟阵列的MIMO雷达阵列配置的抗干扰性能比较
The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI: 10.1109/MMWCST.2012.6238183
Wei Zhang, Zishu He, Hongming Liu, Jun Li
{"title":"Comparisons of anti-jamming property of array configurations for MIMO radar with the same virtual array","authors":"Wei Zhang, Zishu He, Hongming Liu, Jun Li","doi":"10.1109/MMWCST.2012.6238183","DOIUrl":"https://doi.org/10.1109/MMWCST.2012.6238183","url":null,"abstract":"The comparisons of anti-jamming of array configurations for MIMO radar with the same virtual array is made. It is found that the degrees of freedom of clutter are same for the array configurations which have the same virtual array when there' s no jammer exist. If there are jammers exist, the clutter rank vary much depending on the numbers of transmitter, receiver no matter the transmitting array is set to be sparse configuration or receiving array is set to be sparse configuration. With the help of this conclusion, we can design an optimal array configuration when there are jammers which usually exist..","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130227982","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
Correlation between electrical properties degradation and short-channel effects in Nano-gate AlGaN/GaN HEMTs 纳米栅极AlGaN/GaN hemt电性能退化与短沟道效应的相关性
The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI: 10.1109/MMWCST.2012.6238156
Jiangfeng Du, Xinchuang Zhang, Zhihong Feng, S. Dun, Ziqi Zhao, J. Yin, K. Ma, Y. Pu
{"title":"Correlation between electrical properties degradation and short-channel effects in Nano-gate AlGaN/GaN HEMTs","authors":"Jiangfeng Du, Xinchuang Zhang, Zhihong Feng, S. Dun, Ziqi Zhao, J. Yin, K. Ma, Y. Pu","doi":"10.1109/MMWCST.2012.6238156","DOIUrl":"https://doi.org/10.1109/MMWCST.2012.6238156","url":null,"abstract":"Based on the analysis of short-channel effects and device modeling of Nano-gate AlGaN/GaN high-electron mobility transistors (HEMTs), the key device characteristics of gate-length from 500 down to 50nm have been studied by numerical simulations. And the relationship between aspect ratio (the ratio of gate-length and the thickness of barrier layer) and the degeneration of these parameters is discussed in detail. The results show that the simulated electrical characteristics are in good agreement with reported experimental data.","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132162823","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
Optimizing of the material structure in AlGaN/GaN HEMTs through the energy band engineering approach 利用能带工程方法优化AlGaN/GaN hemt材料结构
The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI: 10.1109/MMWCST.2012.6238138
Miao Zhao, Xinyu Liu, Yingkui Zheng, Wei Ke
{"title":"Optimizing of the material structure in AlGaN/GaN HEMTs through the energy band engineering approach","authors":"Miao Zhao, Xinyu Liu, Yingkui Zheng, Wei Ke","doi":"10.1109/MMWCST.2012.6238138","DOIUrl":"https://doi.org/10.1109/MMWCST.2012.6238138","url":null,"abstract":"The performance of 2DEG in AlGaN/GaN HEMTs was investigated using the self-consistent solution of Poisson and Schrödinger equations, which in the simulation, the effects of the spontaneous and piezoelectric polarization were included. An optimized structure with cap layer yielded an increase in effective barrier height, with little penalty in sheet carrier concentration. The structure due to AlN interlayer was investigated by using the energy band calculation.","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"273 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132196845","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 solution of rotation invariance based ESPRIT(SRI-ESPRIT) method approach to direction-of-arrival estimation 一种基于旋转不变性的ESPRIT(SRI-ESPRIT)方法的到达方向估计方法
The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI: 10.1109/MMWCST.2012.6238171
Yang Taoliu, Zhang Wei, Zhao Xiufen
{"title":"A solution of rotation invariance based ESPRIT(SRI-ESPRIT) method approach to direction-of-arrival estimation","authors":"Yang Taoliu, Zhang Wei, Zhao Xiufen","doi":"10.1109/MMWCST.2012.6238171","DOIUrl":"https://doi.org/10.1109/MMWCST.2012.6238171","url":null,"abstract":"In this paper an new ESPRIT algorithm based on the solution of rotation invariance relationship (SRI-ESPRIT) is proposed, providing an new solution to the general class of ESPRIT technique. The proposed new algorithm provides low computational complexity and good accuracy as compared with other ESPRIT variations. Demonstration has evaluated the validity of the method on simulated data by plotting of spatial spectra.","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133390491","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
Evaluation of the anti-interception method for MIMO radar MIMO雷达反拦截方法的评估
The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI: 10.1109/MMWCST.2012.6238145
M. Cai, Hongming Liu, Jun Li, Zishu He
{"title":"Evaluation of the anti-interception method for MIMO radar","authors":"M. Cai, Hongming Liu, Jun Li, Zishu He","doi":"10.1109/MMWCST.2012.6238145","DOIUrl":"https://doi.org/10.1109/MMWCST.2012.6238145","url":null,"abstract":"The performance of RF stealth is of significant importance for military radar because of the threat of an electromagnetic interference or an antiradiation missile. What is more, a useful method that can evaluate the RF stealth is needed urgently. In this paper, we proposed a method to evaluate the performance of RF stealth for MIMO radar. We provide a model to calculate the probability of intercept and analyze the factors that affect the probability of intercept. Simulation results show that the proposed model is efficient and valuable.","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134223241","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 microstrip-based test system for shielding effectiveness measurement 一种基于微带的屏蔽效能测试系统
The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI: 10.1109/MMWCST.2012.6238200
Minhui Zeng, E. Li, Gaofeng Guo
{"title":"A microstrip-based test system for shielding effectiveness measurement","authors":"Minhui Zeng, E. Li, Gaofeng Guo","doi":"10.1109/MMWCST.2012.6238200","DOIUrl":"https://doi.org/10.1109/MMWCST.2012.6238200","url":null,"abstract":"With the widespread application of electronic products, the hazards of electromagnetic radiation has been drawn much attention. Thus, electromagnetic shielding materials are widely used to suppress electromagnetic radiation. In this paper, test methods of shielding effectiveness of materials ware reviewed. A microstrip-based test system for shielding effectiveness measurement was proposed. Measurement results of S21 parameter for two special shielding materials in the 10 MHz-3 GHz ware derived by this test system. It is shown that this test system can be used to estimate shielding effectiveness (SE) of some plane materials.","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132307762","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 a stripline-structured hybrid based on LTCC technology 基于LTCC技术的带状结构混合动力系统设计
The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI: 10.1109/MMWCST.2012.6238206
Mei-juan Xu, Ziqiang Xu, J. Liao, Heng-juan Wen, Xiao-long Qu
{"title":"Design of a stripline-structured hybrid based on LTCC technology","authors":"Mei-juan Xu, Ziqiang Xu, J. Liao, Heng-juan Wen, Xiao-long Qu","doi":"10.1109/MMWCST.2012.6238206","DOIUrl":"https://doi.org/10.1109/MMWCST.2012.6238206","url":null,"abstract":"Hybrid is one of the most important microwave devices, whose miniaturization is a hot topic nowadays. According to the design principle of single-branch coupling line of directional coupler, factors that influence coupling coefficient and isolation are analyzed. Based on LTCC and HFSS, a novel stripline-structured hybrid is demonstrated in this paper, the isolation of which is less than -35dB and with dimension 3.2mm×3mm×1.2mm. Goal of miniaturizing the hybrid is finally realized.","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133407973","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
Compact bandpass filter with wide stopband using stepped impedance resonators 紧凑带通滤波器与宽阻带使用阶跃阻抗谐振器
The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI: 10.1109/MMWCST.2012.6238159
Xubo Wei, B. Fu, Yu Shi, Peng Wang, Zi-qiang Xu, J. Liao, Dan Wang
{"title":"Compact bandpass filter with wide stopband using stepped impedance resonators","authors":"Xubo Wei, B. Fu, Yu Shi, Peng Wang, Zi-qiang Xu, J. Liao, Dan Wang","doi":"10.1109/MMWCST.2012.6238159","DOIUrl":"https://doi.org/10.1109/MMWCST.2012.6238159","url":null,"abstract":"A compact bandpass filter with wide stopband using stepped impedance resonators has been designed and fabricated. And open ended stubs for frequency fine tuning are introduced. The new passband filter was analyzed, simulated and fabricated. Measured results are in good agreement with the electromagnetic simulation results. Moreover the circuit only occupies 20.1 × 17.1 mm2(≈0.21 λg × 0.16λg).","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133456913","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
Microwave/millimeter devices for multilayer 3D-System-On-Packaging (SOP) technology using Liquid Crystal Polymer (LCP) material 采用液晶聚合物(LCP)材料的用于多层3d系统封装(SOP)技术的微波/毫米器件
The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI: 10.1109/MMWCST.2012.6238152
E. O. Boadu, M. T. Elsir, M. Hossin, A. Amoah
{"title":"Microwave/millimeter devices for multilayer 3D-System-On-Packaging (SOP) technology using Liquid Crystal Polymer (LCP) material","authors":"E. O. Boadu, M. T. Elsir, M. Hossin, A. Amoah","doi":"10.1109/MMWCST.2012.6238152","DOIUrl":"https://doi.org/10.1109/MMWCST.2012.6238152","url":null,"abstract":"We describe a new class of microwave/millimeter device utilizing Liquid Crystal Polymer (LCP) material which has showed a combination of good electrical and mechanical properties. This paper presents the design and simulation of a fully System-On-Package (SOP) antenna module that will be suitable for 5GHz WLAN application with high performance. The proposed antenna is printed on a flexible LCP layer, protruding from a rigid multilayer organic substrate. The shielding effect of the metal case which protects the module circuitry from the near fields of the antenna was also taken care of during the design.","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130689247","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
Cytochrome c release caused by Pulsed Electric Fields (PEFs) with different time durations 不同时间脉冲电场对细胞色素c释放的影响
The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI: 10.1109/MMWCST.2012.6238126
Hao-tse Wu, M. Wu, Heng Zou
{"title":"Cytochrome c release caused by Pulsed Electric Fields (PEFs) with different time durations","authors":"Hao-tse Wu, M. Wu, Heng Zou","doi":"10.1109/MMWCST.2012.6238126","DOIUrl":"https://doi.org/10.1109/MMWCST.2012.6238126","url":null,"abstract":"Multilayer Dielectric Sphere Model (MDSM) is used for analyzing responses of cells to Pulsed Electric Fields (PEFs), and cytochrome c release is significant effect of PEFs when mitochondrial substructures are taken into account. Numerical results of MDSM model explain and verify the reported experimental results on Intracellular Electro-manipulation (IEM). It is proposed that two-step process of cytochrome c release can be implemented by bioelectric impulse effect on mitochondria.","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114485468","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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