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2018 26th Telecommunications Forum (TELFOR)最新文献

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Efficient Two Dimensional Filter Synthesis 高效二维滤波器合成
2018 26th Telecommunications Forum (TELFOR) Pub Date : 2018-11-01 DOI: 10.1109/TELFOR.2018.8612128
Peter Apostolov, Alexey K. Stefanov, Ivan Nedialkov
{"title":"Efficient Two Dimensional Filter Synthesis","authors":"Peter Apostolov, Alexey K. Stefanov, Ivan Nedialkov","doi":"10.1109/TELFOR.2018.8612128","DOIUrl":"https://doi.org/10.1109/TELFOR.2018.8612128","url":null,"abstract":"In this paper, an efficient approximation of the ideal function of a low-pass filter is proposed. The approximation uses a function with an S-shaped graph with variable gradient. The theory is applied to 2D FIR filter design. The proposed method is simple and performs fast. It has been shown that the offered approximation has better properties than the minimax approximation. Consequently, the designed 2D filters possess improved selectivity.","PeriodicalId":229131,"journal":{"name":"2018 26th Telecommunications Forum (TELFOR)","volume":"215 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127900633","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
iSCSI and CIFS Network Disks for RAID0/RAID 1 Configurations 用于RAID0/RAID 1配置的iSCSI和CIFS网络盘
2018 26th Telecommunications Forum (TELFOR) Pub Date : 2018-11-01 DOI: 10.1109/TELFOR.2018.8611977
M. Simeunović, B. Djordjevic, V. Timčenko, N. Jankovic
{"title":"iSCSI and CIFS Network Disks for RAID0/RAID 1 Configurations","authors":"M. Simeunović, B. Djordjevic, V. Timčenko, N. Jankovic","doi":"10.1109/TELFOR.2018.8611977","DOIUrl":"https://doi.org/10.1109/TELFOR.2018.8611977","url":null,"abstract":"In this paper, we have tested the impact of the network disk configuration to the system performances. The performance analysis compares two network disk configurations, practically evaluating two different network protocols using identical physical disk configurations. One network drive is configured to operate as an iSCSI block device, while the other operates as a network share disk using CIFS protocol. Testing procedure is based on the use of DiskSpd tool and encompasses measurement of the flow rate, number of the operations and the average response time. Based on the results, iSCSI shows significantly higher flow rates and lower delay values as the size of the data block grows. In smaller blocks, the differences between iSCSI and CIFS are almost negligible.","PeriodicalId":229131,"journal":{"name":"2018 26th Telecommunications Forum (TELFOR)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130027024","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
Design of Recursive Digital Filters for Subband Coding 子带编码递归数字滤波器的设计
2018 26th Telecommunications Forum (TELFOR) Pub Date : 2018-11-01 DOI: 10.1109/TELFOR.2018.8611855
Dragana Zivaljevic, S. Nikolic
{"title":"Design of Recursive Digital Filters for Subband Coding","authors":"Dragana Zivaljevic, S. Nikolic","doi":"10.1109/TELFOR.2018.8611855","DOIUrl":"https://doi.org/10.1109/TELFOR.2018.8611855","url":null,"abstract":"Direct synthesis of the recursive lowpass prototype filter of quadrature mirror filter bank with nearly perfect reconstruction is described in this paper. Passband attenuation characteristic of this prototype digital filter is placed in the area between Butterworth and Elliptic attenuation characteristics. By complementary filter decomposition technique this filter is decomposed into parallel connection of two allpass filters. Then lowpass/highpass filters are obtained by adding/subtracting of these allpass filters, respectively. The main advantages of this kind of filters are hardware reduction, cost savings and smaller sensitivity to digital word length changing.","PeriodicalId":229131,"journal":{"name":"2018 26th Telecommunications Forum (TELFOR)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133895980","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
An Application for Visual Representation of Deterministic Finite Automaton Generated by JFlex JFlex生成的确定性有限自动机的可视化表示应用
2018 26th Telecommunications Forum (TELFOR) Pub Date : 2018-11-01 DOI: 10.1109/TELFOR.2018.8611993
Ivica Marković
{"title":"An Application for Visual Representation of Deterministic Finite Automaton Generated by JFlex","authors":"Ivica Marković","doi":"10.1109/TELFOR.2018.8611993","DOIUrl":"https://doi.org/10.1109/TELFOR.2018.8611993","url":null,"abstract":"JFlex is a well-known lexical analyzer generator for Java. It is widely used both for university coursers and in software developing practice. However, there is a lack of appropriate tools for efficient inspection of Java code generated by using JFlex. We provide a tool which visually represents Deterministic Finite Automaton (DFA) generated by using JFlex. The tool represents DFA as a graph and shows process of analysis of user provided input text by the DFA. It is very useful for students who attend Compilers university course as well as for skilled professionals in this area.","PeriodicalId":229131,"journal":{"name":"2018 26th Telecommunications Forum (TELFOR)","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131515119","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
Portable Device for Remote Control of a Vehicle 用于远程控制车辆的便携式装置
2018 26th Telecommunications Forum (TELFOR) Pub Date : 2018-11-01 DOI: 10.1109/TELFOR.2018.8611790
S. Nimara, A. Mereu, Mihaela Crișan-Vida, R. Bogdan
{"title":"Portable Device for Remote Control of a Vehicle","authors":"S. Nimara, A. Mereu, Mihaela Crișan-Vida, R. Bogdan","doi":"10.1109/TELFOR.2018.8611790","DOIUrl":"https://doi.org/10.1109/TELFOR.2018.8611790","url":null,"abstract":"This paper describes a device that can control a vehicle or other device remotely by gestures or hand movements. The system components are low-priced and the developed prototype can be used in various domains, such as medical, dangerous environments, automotive.","PeriodicalId":229131,"journal":{"name":"2018 26th Telecommunications Forum (TELFOR)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131853288","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
Remote Decision Support System for Diagnosis of the Arterial Hypertension 动脉高血压诊断的远程决策支持系统
2018 26th Telecommunications Forum (TELFOR) Pub Date : 2018-11-01 DOI: 10.1109/TELFOR.2018.8611945
A. Dolganov, V. Kublanov
{"title":"Remote Decision Support System for Diagnosis of the Arterial Hypertension","authors":"A. Dolganov, V. Kublanov","doi":"10.1109/TELFOR.2018.8611945","DOIUrl":"https://doi.org/10.1109/TELFOR.2018.8611945","url":null,"abstract":"The article describes general structure and results of the experimental approbation of the remote decision support system for diagnosing of arterial hypertension. Core elements of the system are database, for storage and remote access to the data, and algorithms of the decision support, based on the features sets of the heart rate variability signals. Results of experimental approbation have shown that among 5 diagnostically significant features sets, 2 have a decent potential for a generalization.","PeriodicalId":229131,"journal":{"name":"2018 26th Telecommunications Forum (TELFOR)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131033656","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
Efficient Video Monitoring of Areas of Interest 有效的视频监控感兴趣的领域
2018 26th Telecommunications Forum (TELFOR) Pub Date : 2018-11-01 DOI: 10.1109/TELFOR.2018.8612099
Alexandru Costache, D. Popescu, Cosmin Popa, S. Mocanu
{"title":"Efficient Video Monitoring of Areas of Interest","authors":"Alexandru Costache, D. Popescu, Cosmin Popa, S. Mocanu","doi":"10.1109/TELFOR.2018.8612099","DOIUrl":"https://doi.org/10.1109/TELFOR.2018.8612099","url":null,"abstract":"In this paper we propose a fast, light-weight system dedicated to efficient video monitoring of areas of interest. The imagined system detects moving pedestrians in a certain area and performs a superficial analysis of their behavior in response to the environment. We present our approach on video data gathering, storage and analysis, aiming to apply it on a case study regarding audience in out-of-home advertising. We present and comment our experimental results, pointing out advantages and disadvantages.","PeriodicalId":229131,"journal":{"name":"2018 26th Telecommunications Forum (TELFOR)","volume":"319 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133339003","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
Implementation and Validation of Elephant Herding Optimization Algorithm for Acoustic Localization 大象群声定位优化算法的实现与验证
2018 26th Telecommunications Forum (TELFOR) Pub Date : 2018-11-01 DOI: 10.1109/TELFOR.2018.8611919
S. D. Correia, M. Beko, Luís A. da Silva Cruz, Slavisa Tomic
{"title":"Implementation and Validation of Elephant Herding Optimization Algorithm for Acoustic Localization","authors":"S. D. Correia, M. Beko, Luís A. da Silva Cruz, Slavisa Tomic","doi":"10.1109/TELFOR.2018.8611919","DOIUrl":"https://doi.org/10.1109/TELFOR.2018.8611919","url":null,"abstract":"This work presents a field implementation of acoustic energy-based positioning, using Elephant Herding Optimization algorithm to solve the NP-hard optimization problem. Measurements are used to validate and adjust the decay acoustic model, and simulations are performed with an outdoor environment setup, where the implementation is fulfilled and compared with real acoustic measurements. The performance in both scenarios is studied, in terms of accuracy, with the variation of the number of sensors nodes used in the model. The field implementation shows that results are aligned with simulation ones, validating the acoustic model and the use of metaheuristic methods such as Elephant Herding Optimization for solving the localization problem.","PeriodicalId":229131,"journal":{"name":"2018 26th Telecommunications Forum (TELFOR)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133806243","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: 9
Study and Design of a Wireless Sensors Network for the Optimization of Bread Manufacturing Process 面向面包生产过程优化的无线传感器网络研究与设计
2018 26th Telecommunications Forum (TELFOR) Pub Date : 2018-11-01 DOI: 10.1109/TELFOR.2018.8612060
Matteo Baire, A. Melis, Matteo BrunoLodi, A. Fanti, G. Mazzarella
{"title":"Study and Design of a Wireless Sensors Network for the Optimization of Bread Manufacturing Process","authors":"Matteo Baire, A. Melis, Matteo BrunoLodi, A. Fanti, G. Mazzarella","doi":"10.1109/TELFOR.2018.8612060","DOIUrl":"https://doi.org/10.1109/TELFOR.2018.8612060","url":null,"abstract":"This work deals with the study and design of a wireless sensors network (WSN) architecture to optimize the manufacturing process of Sardinian Carasau bread. In a scenario of a small-scale bakery industry, a set of process variable to be monitored to optimize the product manufacturing is defined. Then a WSN architecture is studied and set-up to allow for real-time and in situ data collection during both the dough production and the leavening steps. Commercial on-the-shelf and cost-effective integrated electronics is employed. Finally, a user-friendly interface is provided to enhance the understanding, control and, in particular, to favor the optimization of the process.","PeriodicalId":229131,"journal":{"name":"2018 26th Telecommunications Forum (TELFOR)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115231933","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: 13
Dealing with Scalability of Laboratory Sessions in Computer Science University Courses 处理大学计算机科学课程中实验环节的可扩展性
2018 26th Telecommunications Forum (TELFOR) Pub Date : 2018-11-01 DOI: 10.1109/TELFOR.2018.8612090
N. Petrovic, Valentina Nejkovic, M. Tosic
{"title":"Dealing with Scalability of Laboratory Sessions in Computer Science University Courses","authors":"N. Petrovic, Valentina Nejkovic, M. Tosic","doi":"10.1109/TELFOR.2018.8612090","DOIUrl":"https://doi.org/10.1109/TELFOR.2018.8612090","url":null,"abstract":"The increase of the number of students enrolled to bachelor degree computer science and information technology courses brings new challenges for universities and educational institutions. It has been recognized that laboratory session is an essential element in computer science education, as it supplements the classroom presentations as many topics cannot be treated adequately without first-hand experience in using actual computer systems. However, current platforms for online learning courses do not pay enough attention to the laboratory sessions. In this paper, we identify requirements and explore novel paradigms together with state-of-the-art technologies in the area of education and infrastructure management in order to deal with previously mentioned issues of laboratory session scalability. As an outcome, we propose a system architecture for execution of computer science courses laboratory sessions using container-based virtualization and paradigms of blended learning and consider its implementation variants.","PeriodicalId":229131,"journal":{"name":"2018 26th Telecommunications Forum (TELFOR)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116997480","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
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