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2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)最新文献

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Bidimensional control system through successive monitoring for obstacles identification 二维控制系统通过逐次监测进行障碍物识别
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440750
Flor Escuadra, A. Hurtado, Marie Imán, Luis Lino, M. Chauca
{"title":"Bidimensional control system through successive monitoring for obstacles identification","authors":"Flor Escuadra, A. Hurtado, Marie Imán, Luis Lino, M. Chauca","doi":"10.1109/CONIELECOMP.2010.5440750","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440750","url":null,"abstract":"The next project is a two-dimensional positioning system of a vehicle. It is based on the usage of infrared sensors to detect and map the obstacles around it and thus to store in system memory a map of the surrounding area. For this purpose, working with the variables angle and distance is needed and to acquire the required information from these , a number of infrared sensors which are above the vehicle are used, as well as the ability to rotate them to face different directions. All variables must be processed in the control system which will be managed by a microcontroller, because of its great capacity to manage these information besides having the control system memory.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123879768","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
Turbo channel estimation and equalization of STBC-OFDM system over time-varying wireless channels 时变无线信道下STBC-OFDM系统的Turbo信道估计与均衡
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440796
Mohamed A. S. Hassan, A. M. Hmidat, A. Ukasha
{"title":"Turbo channel estimation and equalization of STBC-OFDM system over time-varying wireless channels","authors":"Mohamed A. S. Hassan, A. M. Hmidat, A. Ukasha","doi":"10.1109/CONIELECOMP.2010.5440796","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440796","url":null,"abstract":"This paper presents an iterative (turbo) channel estimation and turbo equalization when orthogonal frequency division multiplexing (OFDM) has been concatenated to space-time block code (STBC) over time-varying multipath Rayleigh fading channels. Based on the Kalman filter channel estimator, soft-input-soft-output (SISO) minimum mean square error (MMSE) equalizer and a maximum posterior probability (MAP) decoder, the channel estimate can be improved for each iteration by using soft information feedback from the decoder. Computer simulations show good estimation and tracking by the Kalman filter with only a few training (pilot) symbols even when signals experience deep fading. It is observed from simulations that the overall system performance can be improved by 4dB after 14 iterations compared to non-iterative channel estimation and equalization. The proposed method is shown to obtain fast channel estimation and low complexity turbo equalization which are requirements in time-varying fading channels.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122342401","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
Pulsed laser deposition (PLD) employed in the fabrication of low temperature barium titanate (BTO) films on carbon fibers 利用脉冲激光沉积技术在碳纤维表面制备低温钛酸钡(BTO)薄膜
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440803
G. Collins, D. Elam, R. Hackworth, R. Kotha, A. Ayón, A. Chabanov, Chonglin Chen
{"title":"Pulsed laser deposition (PLD) employed in the fabrication of low temperature barium titanate (BTO) films on carbon fibers","authors":"G. Collins, D. Elam, R. Hackworth, R. Kotha, A. Ayón, A. Chabanov, Chonglin Chen","doi":"10.1109/CONIELECOMP.2010.5440803","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440803","url":null,"abstract":"In order to explore the functionalization of wearable fabrics for power generation, barium titanate (BTO) was deposited on nickel tape and on carbon fiber fabric employing pulsed laser deposition (PLD) methods under conditions normally not considered ideal to produce optimum ferroelectric properties, namely, at temperatures as low as 100 °C and under various oxygen partial pressures. The remnant charge polarization and film resistance properties were evaluated to determine the effect of the aforementioned deposition conditions. The C-V characterization indicates that the BTO films still retained ferroelectric properties in films produced at temperature as low as 200 °C, below which, the behavior was only paraelectric.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130270828","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
Multicast using distributed shared memory with commoditized transmission 采用分布式共享存储器和商品化传输的多播
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440798
Akira Tanaka
{"title":"Multicast using distributed shared memory with commoditized transmission","authors":"Akira Tanaka","doi":"10.1109/CONIELECOMP.2010.5440798","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440798","url":null,"abstract":"Multicast communications using a high performance data transfer system based on distributed shared memory (DSM), which we previously developed, may create bottlenecks in the network because its internal processing speed is equivalent to or higher than network transfer speed. Therefore, we propose a commoditized technique reflecting features of DSM for low latency multicast. By utilizing small size descriptor for each receiver, our new technique reduces data republication caused by multicast and maintains concurrency and high performance of the original DSM communication system.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"172 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127424623","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
An FPGA-based architecture for linear and morphological image filtering 一种基于fpga的线性和形态图像滤波结构
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440788
J. Ramírez-Cortés, Emanuel Morales-Flores, Jorge Martínez-Carballido, R. Enríquez-Caldera, V. Aquino, José Miguel David Báez-López
{"title":"An FPGA-based architecture for linear and morphological image filtering","authors":"J. Ramírez-Cortés, Emanuel Morales-Flores, Jorge Martínez-Carballido, R. Enríquez-Caldera, V. Aquino, José Miguel David Báez-López","doi":"10.1109/CONIELECOMP.2010.5440788","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440788","url":null,"abstract":"Field Programmable Gate Array (FPGA) technology has become a viable target for the implementation of real time algorithms suited to video image processing applications. The unique architecture of the FPGA has allowed the technology to be used in many applications encompassing all aspects of video image processing. Among those algorithms, linear filtering based on a 2D convolution, and non-linear 2D morphological filters, represent a basic set of image operations for a number of applications. In this work, an implementation of linear and morphological image filtering using a FPGA NexysII, Xilinx, Spartan 3E, with educational purposes, is presented. The system is connected to a USB port of a personal computer, which in that way form a powerful and low-cost design station. The FPGA-based system is accessed through a Matlab graphical user interface, which handles the communication setup. A comparison between results obtained from MATLAB simulations and the described FPGA-based implementation is presented.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115261556","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: 15
Design of a nanoseconds time-resolved fluorometer 纳秒级时间分辨荧光计的设计
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440780
E. Moreno-García, J. M. D. L. Rosa-Vázquez, P. Reyes-López
{"title":"Design of a nanoseconds time-resolved fluorometer","authors":"E. Moreno-García, J. M. D. L. Rosa-Vázquez, P. Reyes-López","doi":"10.1109/CONIELECOMP.2010.5440780","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440780","url":null,"abstract":"The development of an instrument to measure time-domain optical signals, produced by induced fluorescence is presented in this work. The instrument consists of two main subsystems: a) an optical one, which includes continuous and pulsed UV light sources, a Czerny-Turner type monochromator and a high sensitivity photo multiplier tube (PMT), and b) a high-speed digitizer designed with a high performance digital signal processor (DSP), a high bandwidth analog to digital converter (750 MHz), and a computer. A program running on the DSP applies sequential time-equivalent sampling technique, to resolve time-domain fluorescence signals. The processor communicates with the computer via a standard serial port to receive commands and to transmit data. A control program was developed in the graphical language G of LabVIEW¿ 7.1 to register and plot the time-resolved fluorescence pulses. The developed instrument is able to resolve 4 ns rise time pulses with 0.5% error and a resolution of 150 ps.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130982099","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
Using single/multi-channel energy transform as preprocessing tool for magnetoencephalographic data-based applications 将单/多通道能量变换作为脑磁图数据应用的预处理工具
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440785
D. Gutiérrez
{"title":"Using single/multi-channel energy transform as preprocessing tool for magnetoencephalographic data-based applications","authors":"D. Gutiérrez","doi":"10.1109/CONIELECOMP.2010.5440785","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440785","url":null,"abstract":"The purpose of this preliminary work is to evaluate the effectiveness of the single/multi-channel energy transform (ET) as preprocessing tool for magnetoencephalographic (MEG) data-based applications. The ET is a derivative-based transformation that enhances either the variability content of a signal from a single channel, or the compound variability content of signals from multiple channels. In the case of the single-channel ET, a spatial focusing effect in MEG data is achieved, which is a desirable effect given that MEG spatial variability can be correlated to regions of brain activity. On the other hand, when the ET is applied to channels that have been grouped following certain anatomical or physiological criteria, the variability content of the group gets concentrated and a signal compression is achieved. This effect can be useful in MEG-based brain-computer interfaces (BCI) where channel density compression is desired when going from training data to real life applications. Both the spatial focusing and compression properties of the ET are demonstrated with real MEG experiments.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121572512","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
Time series forecasting using recurrent neural networks and wavelet reconstructed signals 基于递归神经网络和小波重构信号的时间序列预测
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440775
Á. García-Pedrero, P. Gómez-Gil
{"title":"Time series forecasting using recurrent neural networks and wavelet reconstructed signals","authors":"Á. García-Pedrero, P. Gómez-Gil","doi":"10.1109/CONIELECOMP.2010.5440775","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440775","url":null,"abstract":"In this paper a novel neural network architecture for medium-term time series forecasting is presented. The proposed model, inspired on the Hybrid Complex Neural Network (HCNN) model, takes advantage of information obtained by wavelet decomposition and of the oscillatory abilities of recurrent neural networks (RNN). The prediction accuracy of the proposed architecture is evaluated using 11 economic time series of the NN5 Forecasting Competition for Artificial Neural Networks and Computational Intelligence, obtaining an average SMAPE of 27%. The proposed model shows a better mean performance in time series prediction of 56 values than a feed-forward network and a fully recurrent neural network with a similar number of nodes.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115090110","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: 18
Fluorescence spectroscopy and chemometric techniques to identify compounds in a mixture 荧光光谱和化学计量技术，以确定混合物中的化合物
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440781
C. Mujica-Ascencio, E. Moreno-García, S. S. Isakina, J. M. D. L. Rosa-Vázquez
{"title":"Fluorescence spectroscopy and chemometric techniques to identify compounds in a mixture","authors":"C. Mujica-Ascencio, E. Moreno-García, S. S. Isakina, J. M. D. L. Rosa-Vázquez","doi":"10.1109/CONIELECOMP.2010.5440781","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440781","url":null,"abstract":"Chemometrics is related to all those processes which transform analytical signals and complex data to useful information. In this issue, chemometric methods were applied to identify concentration of each single compound in a mixture. The processed information is contained in measurements of steady-state fluorescence spectra emitted by different substances (antifreezes and edible oils). The measurements were performed with a home made experimental system. A program was written in the graphical language G of the LabVIEW 8.2, to acquire spectra data and to perform several chemometrics techniques (multivariable analysis). The program calculates the concentrations of individual compounds present in a mixture. The results were compared to determine the most effective method. For edible oils, it is possible to find out the extent of adulteration of olive oil with lesser quality oils.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"159 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129630403","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
Enhancing the realism with 3D sound in different virtual worlds 增强现实主义与3D声音在不同的虚拟世界
2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP) Pub Date : 2010-04-01 DOI: 10.1109/CONIELECOMP.2010.5440770
Marva Angélica Mora Lumbreras, F. Ramírez
{"title":"Enhancing the realism with 3D sound in different virtual worlds","authors":"Marva Angélica Mora Lumbreras, F. Ramírez","doi":"10.1109/CONIELECOMP.2010.5440770","DOIUrl":"https://doi.org/10.1109/CONIELECOMP.2010.5440770","url":null,"abstract":"We have included 3D sound in our project for enhancing the realism in our virtual environments. Our project allows building different virtual environment multi-screen, with a full navigation system, four ways of manipulating: keyboard, head tracker, remote control and input files with different predefined tours. Furthermore, with this project we can also build two different stereoscopes: Wheatstone- type and Cazes-type. We have implemented three virtual worlds for the different environments: The first one shows a collection of anaglyphic photographs; the second one is a collection of photographs of roman art; the third one is a computing center.","PeriodicalId":236039,"journal":{"name":"2010 20th International Conference on Electronics Communications and Computers (CONIELECOMP)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127568826","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
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