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IEEE 2011 10th International Conference on Electronic Measurement & Instruments最新文献

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Attitude angle aided IMMCKF algorithm 姿态角辅助IMMCKF算法
IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI: 10.1109/ICEMI.2011.6037712
Chen Hai, Shan Ganlin
{"title":"Attitude angle aided IMMCKF algorithm","authors":"Chen Hai, Shan Ganlin","doi":"10.1109/ICEMI.2011.6037712","DOIUrl":"https://doi.org/10.1109/ICEMI.2011.6037712","url":null,"abstract":"To effectively solve the tracking problem of nonlinear maneuvering target, interacting multiple model cubature Kalman filter (immckf) algorithm brings cubature Kalman filter (ckf) into the interacting multiple model (imm) algorithm. This paper brings the attitude angle information into the immckf algorithm, and identifies the target maneuver mode through the fuzzy association between the attitude angle and the current motion mode of target; then the association result is used to fuse with the model probability of imm to enhance its model resolving power. A simulation of maneuvering target tracking shows that the attitude angle aided immckf (aa-immckf) algorithm can effectively improve the tracking accuracy and stability of the original immckf algorithm.","PeriodicalId":321964,"journal":{"name":"IEEE 2011 10th International Conference on Electronic Measurement & Instruments","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121823278","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
Recent progress on a superconducting microwave cavity for frequency standard 频率标准超导微波腔的研究进展
IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI: 10.1109/ICEMI.2011.6037727
Wang Nuanrang, Wu Qiong, Nian Feng, Gao Lian-shan
{"title":"Recent progress on a superconducting microwave cavity for frequency standard","authors":"Wang Nuanrang, Wu Qiong, Nian Feng, Gao Lian-shan","doi":"10.1109/ICEMI.2011.6037727","DOIUrl":"https://doi.org/10.1109/ICEMI.2011.6037727","url":null,"abstract":"To design a superconducting cavity with high quality factor for frequency standard, the parameters which affect ability of the cavity are all achieved through theory analysis and computer program. A curve through which we can assure the temperature for our aim is got through calculating the value of quality factor in different temperature. The parameters of cavity are described as follows: the mode is TM010; the diameter is 60 mm, the height is 50 mm; the cavity frequency is 4.4GHz; the quality factor is 3.9×107 and 1.9×109 when the temperature is 4.2K and 2K, respectively, which are close to the calculation.","PeriodicalId":321964,"journal":{"name":"IEEE 2011 10th International Conference on Electronic Measurement & Instruments","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116934956","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
Simulation of computer on the relationship between the characteristics and link equation of the longitudinal differential protection of transformer 变压器纵向差动保护特性与回路方程关系的计算机仿真
IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI: 10.1109/ICEMI.2011.6037937
Fang Ying, Li Hua, Yang Kaiyu
{"title":"Simulation of computer on the relationship between the characteristics and link equation of the longitudinal differential protection of transformer","authors":"Fang Ying, Li Hua, Yang Kaiyu","doi":"10.1109/ICEMI.2011.6037937","DOIUrl":"https://doi.org/10.1109/ICEMI.2011.6037937","url":null,"abstract":"Differentiation protection is the successful operation of the main protection of all the electrical equipments, it has the characteristics of high sensitivity, better selectivity etc. The paper is on the basis of the whole statement on the theory of longitudinal differential protection of transformer, when the transformer in which the current at both ends have phase-angle difference cuts short outside the protection area, the reason why the difference of transformer won't move by wrong is ignored in practice. This paper discusses the concept of relative equation and discusses that the phases difference of different phase current will not affect the establishment of the equation when external short circuit happens. From the view that the power exchange point works relatively independently. At the same time, it points out the relationship between whether the protection moves or not and the relative equation when internal short circuit happens. This paper analyzes the amplitude of collection current, and put forward the resolutions of the imbalanced current in the longitudinal differential protection of transformer, it draws the conclusion that it won't move.","PeriodicalId":321964,"journal":{"name":"IEEE 2011 10th International Conference on Electronic Measurement & Instruments","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126161173","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
Research and comparison of anti-jamming performances of LMS and LCMV algorithm based on MATLAB simulation 基于MATLAB仿真对LMS和LCMV算法的抗干扰性能进行研究和比较
IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI: 10.1109/ICEMI.2011.6037688
He Nan, He Yulin
{"title":"Research and comparison of anti-jamming performances of LMS and LCMV algorithm based on MATLAB simulation","authors":"He Nan, He Yulin","doi":"10.1109/ICEMI.2011.6037688","DOIUrl":"https://doi.org/10.1109/ICEMI.2011.6037688","url":null,"abstract":"Airspace anti-jamming technology is an effective program to solve the problem that signal reception of GNSS receiver which can be easily interfered, and the key of the technology is to choose the proper adaptive algorithm. The principles of LMS (Least mean square) and LCMV (linear-constrained-minimum-variance) algorithm are illustrated and compared in some parameters such as convergence rate, SNR (signal- noise-ratio) and BER (bit-error-ratio), and so on. These algorithms are simulated by MATLAB, and combined with the model of multi-antenna array. It is indicated that the convergence rate of LCMV is a little bit slower than LMS algorithm, but the average value of error and convergence efficiency of former is better than the latter when stabilized at last.","PeriodicalId":321964,"journal":{"name":"IEEE 2011 10th International Conference on Electronic Measurement & Instruments","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122992877","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 multi-lateral double diffused field ring in ultrahigh-voltage device MOS transistor design 横向双扩散场环在超高压器件MOS晶体管设计中的应用
IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI: 10.1109/ICEMI.2011.6037685
Yang Shaoming, G. Sheu, Guo Jiaming, Tasi Jung Ruey
{"title":"Application of multi-lateral double diffused field ring in ultrahigh-voltage device MOS transistor design","authors":"Yang Shaoming, G. Sheu, Guo Jiaming, Tasi Jung Ruey","doi":"10.1109/ICEMI.2011.6037685","DOIUrl":"https://doi.org/10.1109/ICEMI.2011.6037685","url":null,"abstract":"A novel ultrahigh-voltage device with multi-lateral double diffused field ring in reduced surface field (RESURF) lateral double-diffused MOS (LDMOS) transistor in junction-isolated power IC technology is developed and successfully simulated. The multiple rings of P+ implant used linearly p-top mask design to form multi-lateral diffused field ring to cause many depletion regions. Due to charge balance effect, the multiple p-top rings makes the doping concentration of the N-drift region increased to cause the specific on-resistance reduced. The proposed multiple p-top rings RESURF LDMOS device is able to achieve a specific on-resistance of lower than 144.7 mΩcm2 while maintaining a breakdown voltage of over 800 volts.","PeriodicalId":321964,"journal":{"name":"IEEE 2011 10th International Conference on Electronic Measurement & Instruments","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114146980","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
Effects of SiO2 passivation on AlGaN/GaN HEMT by self-consistent electro-thermal-mechanical simulation SiO2钝化对AlGaN/GaN HEMT的影响
IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI: 10.1109/ICEMI.2011.6037722
A. Prakash, Raunak Kumar, B. Prabowo, A. Anumeha, M. Kumar, Yang Shaoming, G. Sheu, J. Tsai
{"title":"Effects of SiO2 passivation on AlGaN/GaN HEMT by self-consistent electro-thermal-mechanical simulation","authors":"A. Prakash, Raunak Kumar, B. Prabowo, A. Anumeha, M. Kumar, Yang Shaoming, G. Sheu, J. Tsai","doi":"10.1109/ICEMI.2011.6037722","DOIUrl":"https://doi.org/10.1109/ICEMI.2011.6037722","url":null,"abstract":"We have carried out systematic experiments based on degradation mechanisms of GaN high electron mobility transistors (HEMT). The electro-thermo-mechanical properties of AlGaN/GaN are simulated for reliability testing under different temperature and bias conditions. The effect of surface passivation on undoped AlGaN/GaN HEMT is investigated using SiO2. This passivation layer can increase the electron density concentration. We have also performed the electro-thermal simulations to study the effect of passivation on selfheating, elastic energy and mechanical stress. Self heating phenomenon seems to be more uniform in case of passivated device. The SiO2 passivation layer reduces the elastic energy to about 20% comparison with unpassivated device under the gate edge. The elastic energy near the gate edge is reduced which is the critical region for defect formation.","PeriodicalId":321964,"journal":{"name":"IEEE 2011 10th International Conference on Electronic Measurement & Instruments","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122161787","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
Accelerating fuzzy adaptive anisotropic diffusion on GPU GPU上的模糊自适应各向异性扩散加速
IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI: 10.1109/ICEMI.2011.6037973
Lian Yuanfeng, Zhao Yan
{"title":"Accelerating fuzzy adaptive anisotropic diffusion on GPU","authors":"Lian Yuanfeng, Zhao Yan","doi":"10.1109/ICEMI.2011.6037973","DOIUrl":"https://doi.org/10.1109/ICEMI.2011.6037973","url":null,"abstract":"A new filtering method to remove Rician noise from magnetic resonance images is presented, while harnessing the powerful computational resources of GPUs. In this filter, the direction of diffusion and the characters of different kinds of pixel in noisy MR images are characterized by the eigenvector and eigenvalues of structure tensor. In order to enhance edges, the shock filter based on fuzzy sets is coupled to it. This model can be performed in a memory and computation-efficient way on modern programmable GPUs, which can be regarded as massively parallel coprocessors through NVidia's CUDA compute paradigm. We achieve considerable speedups compared to an optimized GPU implementation and CPU methods for 2D MR image.","PeriodicalId":321964,"journal":{"name":"IEEE 2011 10th International Conference on Electronic Measurement & Instruments","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117094799","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
Design of manipulator control system 机械手控制系统的设计
IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI: 10.1109/ICEMI.2011.6037746
F. Zhuo, Liu Yilun
{"title":"Design of manipulator control system","authors":"F. Zhuo, Liu Yilun","doi":"10.1109/ICEMI.2011.6037746","DOIUrl":"https://doi.org/10.1109/ICEMI.2011.6037746","url":null,"abstract":"Manipulator's control system used PWM integrated amplifier circuit chip and LMD18200 director current machine to drive the manipulator. Through PC and RS-485 serial communication connection input control signal, and manipulator's control section is mainly completed by the Atmel series 89C52, connected the TLP521-2 photo electricity coupled apparatus to achieve coupling for the different level the pulse signal. As well as used the bipolarity PWM amplifier chips to change the speed of electric motor and realize the control of DC motor. Made use of the incremental optical encoder as a feedback device to form the closed loop, carried on the speed and position examination to this control system, in order to achieve the capture function manipulator. Finally carried on software debugging for the control system. Provides a theoretical basis for the development of new multiple freedom degrees and multi-joint robot, and through computer simulation to check the Completion feasibility of an operation process.","PeriodicalId":321964,"journal":{"name":"IEEE 2011 10th International Conference on Electronic Measurement & Instruments","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128446073","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
Design and application of LXI instrument based on script-download and module-to-module communication 基于脚本下载和模块间通信的LXI仪器的设计与应用
IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI: 10.1109/ICEMI.2011.6037827
Liu Zhaoqing, Yu Tao, Peng Xiyuan
{"title":"Design and application of LXI instrument based on script-download and module-to-module communication","authors":"Liu Zhaoqing, Yu Tao, Peng Xiyuan","doi":"10.1109/ICEMI.2011.6037827","DOIUrl":"https://doi.org/10.1109/ICEMI.2011.6037827","url":null,"abstract":"LXI (LAN eXtensions for Instrumentation) Specification provides test instrument and system with a set of new functions, which enable instruments and systems based on LXI complete more complex test tasks. With these new functions, users can build more intelligent system architecture, further improve the automatic test system (ATS) commonality and performance. Downloading executable code and module-to-module communication are two key technologies which defined by LXI Specification. This paper addresses these two technologies, and builds a test system to demonstrate their advantages.","PeriodicalId":321964,"journal":{"name":"IEEE 2011 10th International Conference on Electronic Measurement & Instruments","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128277696","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
Web-service based framework for testing automatic amplitude-frequency characteristic of filter 基于web服务的滤波器自动幅频特性测试框架
IEEE 2011 10th International Conference on Electronic Measurement & Instruments Pub Date : 2011-10-10 DOI: 10.1109/ICEMI.2011.6037756
Juan Zhou, B. Chen, Shao Qing-yi, Wang Yi
{"title":"Web-service based framework for testing automatic amplitude-frequency characteristic of filter","authors":"Juan Zhou, B. Chen, Shao Qing-yi, Wang Yi","doi":"10.1109/ICEMI.2011.6037756","DOIUrl":"https://doi.org/10.1109/ICEMI.2011.6037756","url":null,"abstract":"Web-service is applied in setting up a three-layer framework for automatic amplitude-frequency characteristic test of splitters which is introduced in this paper. Key technologies are studied to implement the system framework. It combines the technologies of embedded test instrument and web access, utilizing test agents distributed in different production lines as basic service providers. Additional to UDDI registration mechanism, active service availability polling mechanism (ASAP) is implemented to make sure the service available. The framework has advantages of flexible arrangement, high test efficiency, high utilization of detected result and easy to inquire.","PeriodicalId":321964,"journal":{"name":"IEEE 2011 10th International Conference on Electronic Measurement & Instruments","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129841402","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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