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2010 International Conference on Communications, Circuits and Systems (ICCCAS)最新文献

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Chaotic oscillator based on voltage-controlled memcapacitor 基于压控memcapacitor的混沌振荡器
2010 International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2010-07-28 DOI: 10.1109/ICCCAS.2010.5581863
Zhiheng Hu, Yingxiang Li, Li Jia, Juebang Yu
{"title":"Chaotic oscillator based on voltage-controlled memcapacitor","authors":"Zhiheng Hu, Yingxiang Li, Li Jia, Juebang Yu","doi":"10.1109/ICCCAS.2010.5581863","DOIUrl":"https://doi.org/10.1109/ICCCAS.2010.5581863","url":null,"abstract":"Voltage-controlled memcapacitor has the property of variable capacitance to voltage added on, that leads to nonlinear dynamic response. A three-order passive circuit with a voltage-controlled memcapacitor is proposed in this paper to generate chaotic oscillation. When configured with proper parameters and initial conditions, strange attractors can be observed. Lyapunov exponent analysis, along with continuous frequency distribution, conditions sensitive characteristic were provided through simulation, shows the existence of chaos in this simple circuit.","PeriodicalId":199950,"journal":{"name":"2010 International Conference on Communications, Circuits and Systems (ICCCAS)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122617146","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: 12
Image formation algorithm for wide-coverage spaceborne/airborne hybrid bistatic SAR 大覆盖星载/机载混合双基地SAR图像生成算法
2010 International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2010-07-28 DOI: 10.1109/ICCCAS.2010.5581959
Zhe Liu, Jianyu Yang, Xiaoling Zhang
{"title":"Image formation algorithm for wide-coverage spaceborne/airborne hybrid bistatic SAR","authors":"Zhe Liu, Jianyu Yang, Xiaoling Zhang","doi":"10.1109/ICCCAS.2010.5581959","DOIUrl":"https://doi.org/10.1109/ICCCAS.2010.5581959","url":null,"abstract":"To efficiently realize high-precision imaging for spaceobrne/airborne hybrid bistatic SAR (SA-BSAR) in wide-coverage case, a space-variant range cell migration (RCM) compensation method, which is based on SA-BSAR's two-dimensional space-variant RCM model, is proposed in this paper. In this method, Inverse Scaled Fourier Transform with variant scaling factors (ISFT-v) and block division technique are collaborated. Accordingly, a high precision and computationally efficient frequency-domain imaging algorithm based on this RCM compensation method is developed. The imaging algorithm is validated with wide-coverage point targets simulation.","PeriodicalId":199950,"journal":{"name":"2010 International Conference on Communications, Circuits and Systems (ICCCAS)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115691257","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
Calculation adaptive mesh generation of FEM with applications in electromagnetic scattering 有限元计算自适应网格生成及其在电磁散射中的应用
2010 International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2010-07-28 DOI: 10.1109/ICCCAS.2010.5581917
Li Qiang, Chen Hang
{"title":"Calculation adaptive mesh generation of FEM with applications in electromagnetic scattering","authors":"Li Qiang, Chen Hang","doi":"10.1109/ICCCAS.2010.5581917","DOIUrl":"https://doi.org/10.1109/ICCCAS.2010.5581917","url":null,"abstract":"A new algorithm for the automatic generation of finite element meshes is presented, the method is based on an extension of the grid-based algorithm. It can be separated into following separate processes: the interior triangles are equilateral isosceles right; then a new algorithm for automatic refinement is presented to deal with meshes near to the boundary. Compared with other methods, the new method can generate meshes with reasonable quality automatically, and is easy to produce FEM code. Also it achieves good quality of mesh. The method is proved to be effective by application to calculate the RCS of sphere and rectangular cylinder.","PeriodicalId":199950,"journal":{"name":"2010 International Conference on Communications, Circuits and Systems (ICCCAS)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132027422","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
Power distributions in breast and heart during microwave breast cancer treatment 微波乳腺癌治疗期间乳房和心脏的功率分布
2010 International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2010-07-28 DOI: 10.1109/ICCCAS.2010.5581885
Dandan Liang, Lewei Li, T. Yeo
{"title":"Power distributions in breast and heart during microwave breast cancer treatment","authors":"Dandan Liang, Lewei Li, T. Yeo","doi":"10.1109/ICCCAS.2010.5581885","DOIUrl":"https://doi.org/10.1109/ICCCAS.2010.5581885","url":null,"abstract":"In this paper, the power distribution in the breast and heart model is analyzed during the microwave breast cancer treatment with the incidence of plane wave based on the simulated results by FEKO. Three cases of needle insertion with different diameters are considered to find the best convergence effects on the tumor region. Comparing the simulated results, the conclusion can be drawn that when the direction of needle insertion is parallel with the polarized direction of incident plane wave, and the needle has a relatively larger diameter of 1.6mm, the power convergence on the tumor region has better effects than other cases, and meanwhile the power that reached the heart region is much smaller than that in the breast region, i.e. heart is in good condition.","PeriodicalId":199950,"journal":{"name":"2010 International Conference on Communications, Circuits and Systems (ICCCAS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131650408","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
Deadlock-free dynamic routing in wormhole-switched network-on-chip 虫洞交换片上网络无死锁动态路由
2010 International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2010-07-28 DOI: 10.1109/ICCCAS.2010.5581858
Li-Wei Wang
{"title":"Deadlock-free dynamic routing in wormhole-switched network-on-chip","authors":"Li-Wei Wang","doi":"10.1109/ICCCAS.2010.5581858","DOIUrl":"https://doi.org/10.1109/ICCCAS.2010.5581858","url":null,"abstract":"A new deadlock-free dynamic routing algorithm is proposed for wormhole-switched network-on-chip. Introducing the concept of multilevel congestion-aware mechanism which conveys more accurate feedback information about network congestion status than the DyAD routing, the proposed algorithm adopt proper routing algorithm to forward packets according to the current congestion level. Simulation results show that the proposed algorithm outperforms DyAD and other routing algorithms in average packet latency and saturation point, especially under heavy traffic loads.","PeriodicalId":199950,"journal":{"name":"2010 International Conference on Communications, Circuits and Systems (ICCCAS)","volume":"2014 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127462051","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
Automatic identification technology research on Opto-electronic hybrid pattern recognition system 光电混合模式识别系统自动识别技术研究
2010 International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2010-07-28 DOI: 10.1109/ICCCAS.2010.5582038
Yi Xu, Z. Liu, Jun Wen
{"title":"Automatic identification technology research on Opto-electronic hybrid pattern recognition system","authors":"Yi Xu, Z. Liu, Jun Wen","doi":"10.1109/ICCCAS.2010.5582038","DOIUrl":"https://doi.org/10.1109/ICCCAS.2010.5582038","url":null,"abstract":"Opto-electronic hybrid optical pattern recognition technology has many advantages, but must to recognize the correlation-peak from lots of noise. This paper analyzes the deference of correlation-peak image and the noise, and researches on the contour distribution of the image of the correlation-peak and the noise. So, bring forward using the BP network of the ANN to distinguish the signal and noise automatically. The experiment results show the effectiveness of the method.","PeriodicalId":199950,"journal":{"name":"2010 International Conference on Communications, Circuits and Systems (ICCCAS)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126570505","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 Dual-Mode synchronous high efficiency buck converter with Adaptive deadtime control 一种具有自适应死区控制的新型双模同步高效降压变换器
2010 International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2010-07-28 DOI: 10.1109/ICCCAS.2010.5581939
Y. Chung, S. Rai Mahendra, W. Liou, Chih-Yung Cheng
{"title":"A novel Dual-Mode synchronous high efficiency buck converter with Adaptive deadtime control","authors":"Y. Chung, S. Rai Mahendra, W. Liou, Chih-Yung Cheng","doi":"10.1109/ICCCAS.2010.5581939","DOIUrl":"https://doi.org/10.1109/ICCCAS.2010.5581939","url":null,"abstract":"A novel Dual-Mode Modulation Zero Current Detection (ZCD) & Adaptive deadtime architecture has been proposed in this paper that can be used in a DC to DC step-down switching regulator. The converter operates in the pulse width modulation (PWM) mode for heavy load conditions and in the pulse frequency modulation (PFM) mode for light load conditions. In both these operating modes, the converter shows very high power conversion efficiency. This structure also has an adaptive deadtime range mechanism that changes the deadtime depending on the load current. This helps in reducing the power consumption considerably. The architecture also provides better heavy load current conversion efficiency as compared to the other works in the literature. Also, it can help in avoiding the malfunctioning of the ZCD mechanism that happens in the PFM mode for low currents. The most important contribution of this work is that it can achieve a high efficiency above 94% and shows an increasing trend in the efficiency even at heavy load conditions. Also the other major contribution of the proposed design is that it can in general be applied not only to a buck regulator but also to a boost regulator and a buck-boost regulator. A high conversion efficiency of 95.8% has been achieved in this work at a load current of 150 mA. And for the load current operation range of 50 mA to 420 mA, the conversion efficiency reaches above 94%. This design uses the TSMC 0.35-µm 2P4M 5V polycide CMOS process. The input operating voltage range for this process is from 3 to 5 V.","PeriodicalId":199950,"journal":{"name":"2010 International Conference on Communications, Circuits and Systems (ICCCAS)","volume":"32 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114128693","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 novel detection scheme to mitigate the TD-LTE interference 一种新的TD-LTE干扰检测方案
2010 International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2010-07-28 DOI: 10.1109/ICCCAS.2010.5582019
Jian Fang, Xiaopei Zhu, Biao Huang, Xingguo Zhou
{"title":"A novel detection scheme to mitigate the TD-LTE interference","authors":"Jian Fang, Xiaopei Zhu, Biao Huang, Xingguo Zhou","doi":"10.1109/ICCCAS.2010.5582019","DOIUrl":"https://doi.org/10.1109/ICCCAS.2010.5582019","url":null,"abstract":"In this article, a novel detection scheme will be introduced into the CR system based on the Time Duplex-Long Term Evolution (TD-LTE) scheme, in which radar system is the primary user. If the CR nodes carry on the on-line energy detection to the radar signal, it will be subject to the interference originated from the TD-LTE system's Base Station (BS) [1]. We propose a new detection program employed only in the TD-LTE uplink timeslots. In this program, the interference, which is coming from the TD-LTE system's User Equipment (UE) [2], may be weaker than it originated from BS. At the same time, the performance will be enhanced by accumulating multiple coherent detecting results. Through theoretical analysis and simulation, the feasibility of the new program has been verified.","PeriodicalId":199950,"journal":{"name":"2010 International Conference on Communications, Circuits and Systems (ICCCAS)","volume":"214 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114228678","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 new approach to YTO control and synchronization 一种YTO控制与同步的新方法
2010 International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2010-07-28 DOI: 10.1109/ICCCAS.2010.5581897
Yao Han, K. Qin
{"title":"A new approach to YTO control and synchronization","authors":"Yao Han, K. Qin","doi":"10.1109/ICCCAS.2010.5581897","DOIUrl":"https://doi.org/10.1109/ICCCAS.2010.5581897","url":null,"abstract":"A new approach with which we can control YTO and synchronization is introduced in this paper. This new approach takes advantage of the characteristics of FPGA (such as high speed and stability, etc.) to regulate the output frequency of YTO smartly and control the synchronization between different modules precisely. The experiment proved that this approach can meet the requirements of super-heterodyne high-speed real-time test measurements by downloading different FPGA program. The approach has been successfully used in communication analyzer; meanwhile, it can be extended to the microwave radio frequency spectrum analyzer, frequency synthesizer and signal generator module.","PeriodicalId":199950,"journal":{"name":"2010 International Conference on Communications, Circuits and Systems (ICCCAS)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114845020","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
Conducting routing table poisoning attack in DHT networks 在DHT网络中进行路由表投毒攻击
2010 International Conference on Communications, Circuits and Systems (ICCCAS) Pub Date : 2010-07-28 DOI: 10.1109/ICCCAS.2010.5582015
Haibo Lin, Ruilin Ma, Li Guo, Peng Zhang, Xiaojun Chen
{"title":"Conducting routing table poisoning attack in DHT networks","authors":"Haibo Lin, Ruilin Ma, Li Guo, Peng Zhang, Xiaojun Chen","doi":"10.1109/ICCCAS.2010.5582015","DOIUrl":"https://doi.org/10.1109/ICCCAS.2010.5582015","url":null,"abstract":"Although a lot of users share their information via Distributed Hash Table (i.e., DHT) network, a noticeable shortcoming of such a file-sharing system is that they can hardly preserve the users' privacies. To address such a problem, in this paper we propose a suite of security strategies for the DHT network in BitTorrent system, such as the DHT interdiction and the DHT vulnerable examining methods. Experiments on real world data sets demonstrate that our proposed method is effective to preserve user's privacy in DHT networks.","PeriodicalId":199950,"journal":{"name":"2010 International Conference on Communications, Circuits and Systems (ICCCAS)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114883974","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: 10
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