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2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)最新文献

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The Effect of Acute Stress on the Performance of Students in Engineering Education 急性应激对工科学生学习成绩的影响
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483572
Kalin Kalinkov, V. Markova, T. Ganchev
{"title":"The Effect of Acute Stress on the Performance of Students in Engineering Education","authors":"Kalin Kalinkov, V. Markova, T. Ganchev","doi":"10.1109/ICEST52640.2021.9483572","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483572","url":null,"abstract":"In the presents paper, we summarize the results of a recent study on the relationship between task-caused acute stress and students' performance. Our experimental protocol was based on the CLAS dataset, which contains physiological signals of 60 students. The physiological recordings were captured during students' involvement in five different tasks, including three interactive tasks (Stroop test, Math test, IQ test) and two noninteractive tasks. The non-interactive tasks aimed at emotion elicitation via blocks of sixteen photographs and sixteen emotional music video clips, purposely selected to cover the entire arousal-valence space. We observed that the three Stroop, Math and IQ tests cause higher acute stress levels than pictures and musical stimuli purposely selected to provoke emotional reactions. The experimental results show that acute stress has different effects on students' academic performance, depending on their gender and individually. Specifically, in contrast to the females, males were observed to show lower stress levels in the Math test. At the same time, males were observed to be less concentrated on the Stoop test. We observed that heart-rate variability (HRV) could be used as an indicator of the students' performance under stress as it is not related to students' abilities.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"07 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127196247","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
[Blank page] (空白页)
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/icest52640.2021.9483487
{"title":"[Blank page]","authors":"","doi":"10.1109/icest52640.2021.9483487","DOIUrl":"https://doi.org/10.1109/icest52640.2021.9483487","url":null,"abstract":"","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128147492","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
Reception of audio signals received from different LEDs used in the low cost LI-FI systems 接收来自低成本LI-FI系统中使用的不同led的音频信号
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483512
Tsvetan Valkovski, K. Dimitrov
{"title":"Reception of audio signals received from different LEDs used in the low cost LI-FI systems","authors":"Tsvetan Valkovski, K. Dimitrov","doi":"10.1109/ICEST52640.2021.9483512","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483512","url":null,"abstract":"In this article we will discuss the possibilities of using different LEDs in low cost LI-FI systems. The results of the studied LEDs, their advantages and disadvantages will be analysed. The presented LI-FI systems are designed in order to use a minimum number of electrical elements in order to design and build such systems by students during laboratory exercises as a practical exercise. The main goal is to acquaint students with the advantages of LI-FI systems. The presented LI-FI systems are designed in order to use a minimum number of electrical elements in order to design and build such systems by students during laboratory exercises as a practical exercise. The main goal is to acquaint students with the advantages of LI-FI systems.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116800659","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
Improved Classes of CIC Filter Functions: Design and Analysis of the Quantized-Coefficient Errors 改进的CIC滤波函数类:量化系数误差的设计与分析
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483471
B. Stošić
{"title":"Improved Classes of CIC Filter Functions: Design and Analysis of the Quantized-Coefficient Errors","authors":"B. Stošić","doi":"10.1109/ICEST52640.2021.9483471","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483471","url":null,"abstract":"The paper proposes the use of identical and nonidentical CIC (Cascaded-Integrator-Comb) sections in generating novel classes of selective, highly effective and low complexity filters, for communication systems. The improved classes are described by analytical method in a compact explicit form. Also, analysis of the effects of coefficient quantization is in focus. The quantized-coefficient errors are considered here based on the number of bits and the implementation algorithms.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117307233","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
Computer Systems, Internet Technologies, Digital Signal and Image Processing I Title page 计算机系统，互联网技术，数字信号和图像处理I
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/icest52640.2021.9483530
{"title":"Computer Systems, Internet Technologies, Digital Signal and Image Processing I Title page","authors":"","doi":"10.1109/icest52640.2021.9483530","DOIUrl":"https://doi.org/10.1109/icest52640.2021.9483530","url":null,"abstract":"","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129786111","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
On the Minimal Fire Power for Heat Detection 热探测的最小火力
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483478
I. Trushev, Shima Schati, D. Patil
{"title":"On the Minimal Fire Power for Heat Detection","authors":"I. Trushev, Shima Schati, D. Patil","doi":"10.1109/ICEST52640.2021.9483478","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483478","url":null,"abstract":"Unwanted and unplanned fires have always caused damages to human life and economy. Consequently, in order to predict, control, and extinguish them, fire detectors and sprinklers are widely used. What detectors could sense resulting from or causing fire for the purpose of fire management and how they react is described here. A model for minimal fire power for heat detector activation is described and results are presented.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128377566","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 Comparison of the Accuracies of a Convolution Neural Network Built on Different Types of Convolution Layers 基于不同类型卷积层的卷积神经网络精度比较
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483569
Maria Pavlova
{"title":"A Comparison of the Accuracies of a Convolution Neural Network Built on Different Types of Convolution Layers","authors":"Maria Pavlova","doi":"10.1109/ICEST52640.2021.9483569","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483569","url":null,"abstract":"The development of artificial intelligence aims to increase its reliability, which is determined ambiguously by accuracy. The accuracy increase is key conception in DNN and AI at all. There is a strong relation between training the DNN and accuracy so the training is very important and very complicated. For that reason, looking for high accuracy in fire recognition it is made research a part of which will present in this article. We presented Convolution Neural Network (CNN) created by Python with Keras library can be very useful in early forest fire detection. To improve the accuracy is made private database with fire and smoke pictures exclusively. We tested two CNN architectures and Batch normalization in these architectures. The distribution of each layer's inputs change during training as the parameters of previous layer changed make the training mode complicated. Without claiming a single indicator, the training mode is expressed by trainable and non-trainable parameters related with Batch normalization layer in CNN. The influence of Batch normalization on accuracy are presented in tabular form. The accuracy comparison of two architectures with different layers in CNN is presented in tabular form.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117049461","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 navigation system with multiband GNSS receiver with RTK and DR algorithms 基于RTK和DR算法的多波段GNSS接收机导航系统设计
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483562
R. Miletiev, E. Iontchev, R. Yordanov
{"title":"Design of navigation system with multiband GNSS receiver with RTK and DR algorithms","authors":"R. Miletiev, E. Iontchev, R. Yordanov","doi":"10.1109/ICEST52640.2021.9483562","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483562","url":null,"abstract":"The current paper discusses the navigation system based on 10DoF IMU system and multiband sub-meter level GNSS module with dead reckoning (DR) and real-time kinematic (RTK) algorithm technologies. The system may be used as a single board or may be coupled with raspberry PI systems with Bluetooth, WiFi or GPRS/3G/4G connectivity to download the differential corrections using Networked Transport of RTCM via Internet Protocol (NTRIP).","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122259372","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
A Novel Deep Neural Network Based Antenna Selection Architecture for Spatial Modulation Systems 一种新的基于深度神经网络的空间调制系统天线选择结构
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483468
Ilker Ahmet Arslan, Gökhan Altın
{"title":"A Novel Deep Neural Network Based Antenna Selection Architecture for Spatial Modulation Systems","authors":"Ilker Ahmet Arslan, Gökhan Altın","doi":"10.1109/ICEST52640.2021.9483468","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483468","url":null,"abstract":"With the constantly developing technology, the speed and accuracy requirement of communication systems are increasing day by day. Spatial modulation (SM) is a recent and promising technique which additionally uses antenna indices for multiple input multiple output (MIMO) systems. In order to add another degree of freedom to SM's efficiency, transmit antenna selection (TAS) algorithms are a crucial field to study. On the other hand, use of artificial intelligence significantly developed in nowadays in wide variety of areas such as biology, robotics, automation etc. The main purpose of this study is to realize TAS for SM systems using deep neural network (DNN). Besides, the processing load of the proposed DNN is reduced without involving the repetitive parts of the TAS metric which is not studied in the literature as far as we know. It is shown that the proposed DNN based TAS algorithm outperforms existing studies in terms of symbol error rate.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130703211","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
Aperture-Coupled Microstrip Patch Antenna Design Using FEM Simulation Technique 基于有限元仿真技术的孔耦合微带贴片天线设计
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483494
Diana B. Petkova, P. Petkov
{"title":"Aperture-Coupled Microstrip Patch Antenna Design Using FEM Simulation Technique","authors":"Diana B. Petkova, P. Petkov","doi":"10.1109/ICEST52640.2021.9483494","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483494","url":null,"abstract":"The recent developments in microwave systems, put high requirements to antenna arrays for RFID and radar applications, in terms of pattern shape and side lobe specs. The presented paper discusses an inexpensive approach for amplitude distribution control of aperture-coupled microstrip patch antenna, as a building block of more complex array systems.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"185 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132983577","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
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