发布求助
文献互助 智能选刊 最新文献

IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)最新文献

筛选
英文 中文
Developing a method of moments based indoor propagation model 建立了一种基于矩量的室内传播模型
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313771
I. Kavanagh
{"title":"Developing a method of moments based indoor propagation model","authors":"I. Kavanagh","doi":"10.1109/EUROCON.2015.7313771","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313771","url":null,"abstract":"This paper presents initial efforts to develop a full-wave propagation model for indoor electromagnetic wave propagation based on the Volume Electric Field Integral Equation which when discretised by the Method of Moments results in a linear system whose iterative solution can be expedited through use of the FFT. Although the formulation requires the discretisation of the entire volume, only unknowns placed in the scattering material (walls, etc) contribute to the scattered field. Consequently, unknowns placed in free space can effectively be removed from the update process in each iteration leading to rapid convergence. The model is validated against the Uniform Theory of Diffraction. Its computational efficiency and accuracy are compared with an alternate integral equation, the Surface Electric Field Integral Equation discretised by the Method of Moments and accelerated by the ML-FAFFA. Results demonstrating the propagation modelling capabilities of the model are demonstrated alongside a motivating example for the use of full-wave models over conventional approximate methods like ray tracing.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125399411","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: 6
Modulation design analysis for two-way relay channels 双向中继信道调制设计分析
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313676
H. Sawaya, E. Rachid
{"title":"Modulation design analysis for two-way relay channels","authors":"H. Sawaya, E. Rachid","doi":"10.1109/EUROCON.2015.7313676","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313676","url":null,"abstract":"This paper deals with the joint modulation relaying (JMR) design for the two-way relay channel where two users exchange information via a half-duplex relay node. We studied in particular the broadcast mode where the relay node combines the bits received from the two users and retransmit the combined information to both users. Symmetric and asymmetric data rate transmissions are considered. We show that the performance of the JMR scheme that uses a higher order modulation is improved using asymmetric constellations. This was verified by calculation the capacity of the channel and by determining the bit error probability of an LDPC coded JMR scheme using Monte Carlo simulation. Moreover, increasing the degree of asymmetry will lead asymptotically to a lower order signal constellation as in a network coding scheme. Therefore, there's no need for a higher order modulation at the relay node in order to retransmit data but only to apply network coding and modulation using the constellation of the stronger link.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126352580","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
Software tool for three phase voltage dips waveform generation used in research applications 用于研究应用的三相电压衰减波形生成的软件工具
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313725
F. Molnar-Matei, M. Iovan, A. Pana, A. Baloi
{"title":"Software tool for three phase voltage dips waveform generation used in research applications","authors":"F. Molnar-Matei, M. Iovan, A. Pana, A. Baloi","doi":"10.1109/EUROCON.2015.7313725","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313725","url":null,"abstract":"Voltage dips are one of the most important power quality problems. The major disadvantage in studying this phenomenon is the difficulty to obtain the necessary data. This disadvantage is to the fact that the phenomenon is random and monitoring must be carried out for long periods of time. In these conditions the paper proposes a three-phase voltage dips software generator, by means of which voltage waveforms affected by dips are generated, wherein all the characteristic parameters can be set by the user or can be randomly generated. The tool is create especially for computer modeling research applications, but it can be used as input signal for a real voltage dip generator, taking into account the physical limitations of the hardware.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128117376","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
An example of monitoring system with reasoning module for ambient assisted living applications 环境辅助生活应用中带有推理模块的监测系统示例
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313766
N. Zaric, M. Radonjić, M. Pejanovic, I. Radusinović
{"title":"An example of monitoring system with reasoning module for ambient assisted living applications","authors":"N. Zaric, M. Radonjić, M. Pejanovic, I. Radusinović","doi":"10.1109/EUROCON.2015.7313766","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313766","url":null,"abstract":"Numerous Ambient Assisted Living systems have been developed in the last decade, but there is still an evident lack of monitoring systems that are suitable for some of the specific user's activities. That is certainly the case with the ones related to the bathroom environment, where the strict respect of functional and privacy requirements are imposed. The paper proposes a monitoring system that is able to identify the bathroom activities taking into account requirements that an Ambient Assisted Living systems dedicated to older adults should satisfy. Proposed monitoring system consists of presence sensor, humidity sensor, and microphone-based sensor that provide autonomous and automated classification of different signals representing possible activities. Based on the sensors' data, an efficient reasoning module has been proposed, which is able to detect critical situations for user and home safety and to provide information for lifestyle pattern reasoning and daily function monitoring module.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132553478","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
Reconfigurable 1st order filters based on differential voltage input and a single current output transconductance multiplier 基于差分电压输入和单电流输出跨导倍增器的可重构一阶滤波器
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313769
R. Sotner, J. Jerabek, R. Prokop, Vilem Kledrowetz, L. Fujcik, T. Dostál
{"title":"Reconfigurable 1st order filters based on differential voltage input and a single current output transconductance multiplier","authors":"R. Sotner, J. Jerabek, R. Prokop, Vilem Kledrowetz, L. Fujcik, T. Dostál","doi":"10.1109/EUROCON.2015.7313769","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313769","url":null,"abstract":"This paper deals with reconnection-less electronically reconfigurable filtering applications of the differential voltage input and single current output transconductance multiplier. A voltage-mode and mixed-mode filter solutions are presented and their electronically configurable features (change of transfer type and adjustment) are verified by simulations in a Cadence Spectre simulator with I2T100 0.7 μm technology.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133886616","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
Enhanced video streaming using dynamic quality control with bandwidth prediction 增强视频流使用动态质量控制与带宽预测
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313675
T. P. Fowdur, L. Narrainen
{"title":"Enhanced video streaming using dynamic quality control with bandwidth prediction","authors":"T. P. Fowdur, L. Narrainen","doi":"10.1109/EUROCON.2015.7313675","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313675","url":null,"abstract":"Video streaming is one of the most widely used applications of internet users. However, bandwidth fluctuations especially during peak periods can seriously impact the Quality of Experience (QoE) of users by causing intermittent freezing of the video. This paper proposes a client-oriented video streaming application which dynamically changes the video quality by using a bandwidth prediction mechanism. Bandwidth prediction is achieved by incorporating the moving average prediction algorithm in the application's logic. The application has been developed in Java and protocols such as the Real Time Messaging Protocol (RTMP) and HTTP, as well as libraries of the System Information Gatherer and Reporter (SIGAR) and VLC media player have been integrated. Moreover, a new objective quality assessment metric, the freeze time, has been proposed to evaluate the performance of the scheme. The application was tested by streaming videos from YouTube in real time. Results show a major reduction in freeze time of over 60% and a gain of at least 2 dB is Peak Signal to Noise Ratio (PSNR) as compared to static video streaming.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133833767","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
Small signal assessment of an AC system integrated with a VSC-HVDC network 交流系统与VSC-HVDC网络集成的小信号评估
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313685
D. N. Huu
{"title":"Small signal assessment of an AC system integrated with a VSC-HVDC network","authors":"D. N. Huu","doi":"10.1109/EUROCON.2015.7313685","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313685","url":null,"abstract":"This paper presents and analyses a represented ac system with an overlay HVDC network based on multi-terminal VSC. A state space representation and a method of the automatic development of the small signal model of the hybrid ac/dc system is achieved. The methodology to develop the small signal model is composed of four steps being construction of sub system units; development of state space models for each unit; linearization of nonlinear models and integration of all linearized models. The control architecture schemes for VSC systems are also presented in order to obtain control objectives such as control active and reactive power, and dc voltages. Based on the developed platform, the small signal stability is analyzed to investigate the effect of different control strategies as well as controller parameters on the system performance.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121665635","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
Influence of contour smoothness and electric size on the profile reconstruction of metallic objects using hybrid optimization 轮廓平滑度和电尺寸对金属物体轮廓重建的影响
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313788
M. García-Fernández, Ce Garcia Gonzalez, Yuri Álvarez López, F. Andrés
{"title":"Influence of contour smoothness and electric size on the profile reconstruction of metallic objects using hybrid optimization","authors":"M. García-Fernández, Ce Garcia Gonzalez, Yuri Álvarez López, F. Andrés","doi":"10.1109/EUROCON.2015.7313788","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313788","url":null,"abstract":"The main purpose of this article is to analyse the influence of the smoothness and electric size on the reconstruction of a metallic object contour in a 2D case. A multistage hybrid method based on Evolutionary Algorithms (EA) and an Interior-Point algorithm is used for the profile reconstruction. The purpose of this approach is to reduce the required amount of information as well as improving the convergence capabilities, specially when the object has a large electric size. The inverse problem is recast as a nonlinear optimization problem minimizing the difference between the measured and the estimated scattered field on an observation domain. The reconstruction of scatterers with different shapes and sizes is carried out to verify the accuracy of the method. In addition, two different EA are examined: Genetic Algorithm (GA) and Particle Swarm Optimization (PSO). Numerical results show that a high reconstruction accuracy can be achieved, even when the Signal to Noise Ratio (SNR) is low.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115705695","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
Polyphase representation of QMF filter bank for power systems harmonics analysis 电力系统谐波分析中QMF滤波器组的多相表示
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313686
M. Markovska, D. Taskovski
{"title":"Polyphase representation of QMF filter bank for power systems harmonics analysis","authors":"M. Markovska, D. Taskovski","doi":"10.1109/EUROCON.2015.7313686","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313686","url":null,"abstract":"In this paper the efficiency of the polyphase decomposition form against the direct decomposition form of quadrature mirror filter bank for power harmonic analysis is investigated. For that purpose, the both forms of decomposition are implemented on the digital signal processor TMS320C6713. Experimental results show increased efficiency when polyphase decomposition form is used. Additionally, the influence of the input signal extension on the accuracy of calculated RMS result is investigated for the aim of reliable harmonic analysis. The investigation has shown that the periodic signal extension gives best results in case of stationary input signals and can be used for both direct and polyphase implementations.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123748118","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
Numerical evaluation of the effects of the impedances and admittances asymmetry at a double circuit HVAC overhead line 双回路暖通空调架空线路阻抗和导纳不对称影响的数值计算
IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON) Pub Date : 2015-11-02 DOI: 10.1109/EUROCON.2015.7313747
A. Pana, A. Baloi
{"title":"Numerical evaluation of the effects of the impedances and admittances asymmetry at a double circuit HVAC overhead line","authors":"A. Pana, A. Baloi","doi":"10.1109/EUROCON.2015.7313747","DOIUrl":"https://doi.org/10.1109/EUROCON.2015.7313747","url":null,"abstract":"AC overhead lines through their constructive asymmetry causes significant unbalance of currents and asymmetry of voltages on the three phases of the network. These unbalances of the operating conditions are even higher as the lines has greater lengths and the transported powers are higher and is therefore primarily characteristic for the transmission lines. The article presents the results of numerical assessment of the effects of impedance and admittance asymmetries for an untransposed double circuit overhead line, having 220 kV rated voltage. For this goal there were used the phase impedances respectively admittances matrices, determined by Kron's reduction method, applied to the primitive admittances respectively impedances matrices, the construction of which is based on the modified Carson's equations. The paper presents the results for two specific operating conditions: no load and natural load.","PeriodicalId":133824,"journal":{"name":"IEEE EUROCON 2015 - International Conference on Computer as a Tool (EUROCON)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125305519","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信