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The Current-Position Cascade PID Control of Delta-type Parallel Robot delta型并联机器人的电流位置串级PID控制
The Journal of the Korea institute of electronic communication sciences Pub Date : 2020-01-01 DOI: 10.13067/JKIECS.2020.15.2.273
Dong-Hee Paek, Yeong-Dae Kim, Whang Cho
{"title":"The Current-Position Cascade PID Control of Delta-type Parallel Robot","authors":"Dong-Hee Paek, Yeong-Dae Kim, Whang Cho","doi":"10.13067/JKIECS.2020.15.2.273","DOIUrl":"https://doi.org/10.13067/JKIECS.2020.15.2.273","url":null,"abstract":"","PeriodicalId":22843,"journal":{"name":"The Journal of the Korea institute of electronic communication sciences","volume":"3 1","pages":"273-284"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78452385","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 BER Performance of Non-Orthogonal Multiple Access System for Interactive Mobile Users: Maximum Likelihood Detection Perspective 交互式移动用户非正交多址系统BER性能的改进:最大似然检测视角
The Journal of the Korea institute of electronic communication sciences Pub Date : 2020-01-01 DOI: 10.13067/JKIECS.2020.15.5.865
K. Chung
{"title":"Improved BER Performance of Non-Orthogonal Multiple Access System for Interactive Mobile Users: Maximum Likelihood Detection Perspective","authors":"K. Chung","doi":"10.13067/JKIECS.2020.15.5.865","DOIUrl":"https://doi.org/10.13067/JKIECS.2020.15.5.865","url":null,"abstract":"","PeriodicalId":22843,"journal":{"name":"The Journal of the Korea institute of electronic communication sciences","volume":"50 1","pages":"865-872"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84869179","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
Silicon Electro-optic Orbital Angular Momentum Sign Modulator for Photonic Integrated Circuit 光子集成电路用硅电光轨道角动量符号调制器
The Journal of the Korea institute of electronic communication sciences Pub Date : 2020-01-01 DOI: 10.13067/JKIECS.2020.15.4.659
Lee In Joon, Sangin Kim
{"title":"Silicon Electro-optic Orbital Angular Momentum Sign Modulator for Photonic Integrated Circuit","authors":"Lee In Joon, Sangin Kim","doi":"10.13067/JKIECS.2020.15.4.659","DOIUrl":"https://doi.org/10.13067/JKIECS.2020.15.4.659","url":null,"abstract":"In this paper, we propose a silicon-based electro-optic (EO) modulator which can modulate a sign of a topological charge number l of |l|=1 orbital angular momentum (OAM) mode. The proposed EO modulator consists of position-dependent doped Si waveguide core and undoped SiO2, cladding, which enables control of the effective index and propagation loss of two OAM constitutive eigenmodes. The modulator functions as OAM mode maintaining waveguide at – 0.33V and as topological charge sign inverter at 10V. The output OAM mode purity is calculated through electric field distribution, showing high purity of |l|>0.92 in both cases.","PeriodicalId":22843,"journal":{"name":"The Journal of the Korea institute of electronic communication sciences","volume":"4 1","pages":"659-664"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85099504","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
EEG Dimensional Reduction with Stack AutoEncoder for Emotional Recognition using LSTM/RNN 基于堆栈自编码器的脑电降维LSTM/RNN情绪识别
The Journal of the Korea institute of electronic communication sciences Pub Date : 2020-01-01 DOI: 10.13067/JKIECS.2020.15.4.717
I. Aliyu, C. Lim
{"title":"EEG Dimensional Reduction with Stack AutoEncoder for Emotional Recognition using LSTM/RNN","authors":"I. Aliyu, C. Lim","doi":"10.13067/JKIECS.2020.15.4.717","DOIUrl":"https://doi.org/10.13067/JKIECS.2020.15.4.717","url":null,"abstract":"Due to the important role played by emotion in human interaction, affective computing is dedicated in trying to understand and regulate emotion through human-aware artificial intelligence. By understanding, emotion mental diseases such as depression, autism, attention deficit hyperactivity disorder, and game addiction will be better managed as they are all associated with emotion. Various studies for emotion recognition have been conducted to solve these problems. In applying machine learning for the emotion recognition, the efforts to reduce the complexity of the algorithm and improve the accuracy are required. In this paper, we investigate emotion Electroencephalogram (EEG) feature reduction and classification using Stack AutoEncoder (SAE) and Long-Short-Term-Memory/Recurrent Neural Networks (LSTM/RNN) classification respectively. The proposed method reduced the complexity of the model and significantly enhance the performance of the classifiers.","PeriodicalId":22843,"journal":{"name":"The Journal of the Korea institute of electronic communication sciences","volume":"61 1","pages":"717-724"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84243488","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
Green Generation and investigation of Optical Properties of Amorphous BaTiO3 by Poling 非晶态钛酸钡的绿色制备及光学特性研究
The Journal of the Korea institute of electronic communication sciences Pub Date : 2020-01-01 DOI: 10.13067/JKIECS.2020.15.1.39
K. E. Soo
{"title":"Green Generation and investigation of Optical Properties of Amorphous BaTiO3 by Poling","authors":"K. E. Soo","doi":"10.13067/JKIECS.2020.15.1.39","DOIUrl":"https://doi.org/10.13067/JKIECS.2020.15.1.39","url":null,"abstract":"BaTiO3 thin films was deposited on the slide glass by RF sputter We have investigated the optical properties of BaTiO3 film after corona poling process The transmission characteristics was very good over 80% in visible region and second order nonlinear optical coefficient depends on the poling conditions The nonlinear optical coefficient of poled BaTiO3 films was about 1 15pm/V The relaxation of second order nonlinear optical was remained around 60% of the initial value for a long time In addition we have observed the green light generation from BaTiO3 films","PeriodicalId":22843,"journal":{"name":"The Journal of the Korea institute of electronic communication sciences","volume":"59 1","pages":"39-44"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89410488","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
Design of Simple Direct Comparison Measurement System from 10 MHz to 1 GHz for Thermistor Mounts Calibration 用于热敏电阻安装校准的10 MHz至1 GHz简单直接比较测量系统的设计
The Journal of the Korea institute of electronic communication sciences Pub Date : 2020-01-01 DOI: 10.13067/JKIECS.2020.15.3.405
Yu Cha, Young-Guen Jang, Boo-il Kim
{"title":"Design of Simple Direct Comparison Measurement System from 10 MHz to 1 GHz for Thermistor Mounts Calibration","authors":"Yu Cha, Young-Guen Jang, Boo-il Kim","doi":"10.13067/JKIECS.2020.15.3.405","DOIUrl":"https://doi.org/10.13067/JKIECS.2020.15.3.405","url":null,"abstract":"","PeriodicalId":22843,"journal":{"name":"The Journal of the Korea institute of electronic communication sciences","volume":"22 1","pages":"405-412"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81657517","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
Verification on the Reduction Technique of Measurement Time of Total Radiated Power (TRP) by Using Effective Isotropic Radiated Power (EIRP) in 5G Frequency Band 5G频段有效各向同性辐射功率(EIRP)减少总辐射功率(TRP)测量时间技术的验证
The Journal of the Korea institute of electronic communication sciences Pub Date : 2020-01-01 DOI: 10.13067/JKIECS.2020.15.5.835
Dong-Woo Kim, Soon‐Soo Oh
{"title":"Verification on the Reduction Technique of Measurement Time of Total Radiated Power (TRP) by Using Effective Isotropic Radiated Power (EIRP) in 5G Frequency Band","authors":"Dong-Woo Kim, Soon‐Soo Oh","doi":"10.13067/JKIECS.2020.15.5.835","DOIUrl":"https://doi.org/10.13067/JKIECS.2020.15.5.835","url":null,"abstract":"","PeriodicalId":22843,"journal":{"name":"The Journal of the Korea institute of electronic communication sciences","volume":"53 1","pages":"835-840"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76626415","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
Intelligent Motor Control System Based on CIP 基于CIP的智能电机控制系统
The Journal of the Korea institute of electronic communication sciences Pub Date : 2020-01-01 DOI: 10.13067/JKIECS.2020.15.2.307
On Kim, Seong-Jin Choi
{"title":"Intelligent Motor Control System Based on CIP","authors":"On Kim, Seong-Jin Choi","doi":"10.13067/JKIECS.2020.15.2.307","DOIUrl":"https://doi.org/10.13067/JKIECS.2020.15.2.307","url":null,"abstract":"","PeriodicalId":22843,"journal":{"name":"The Journal of the Korea institute of electronic communication sciences","volume":"15 1","pages":"307-312"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72658185","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
Structural and Optical Properties of ZnS Thin Films Fabricated by Using RF Sputtering and Rapid Thermal Annealing Process for Buffer Layer in Thin Film Solar Cells 利用射频溅射和快速热退火工艺制备ZnS薄膜的结构和光学性能
The Journal of the Korea institute of electronic communication sciences Pub Date : 2020-01-01 DOI: 10.13067/JKIECS.2020.15.4.665
C. Park, Young-Kil Jun
{"title":"Structural and Optical Properties of ZnS Thin Films Fabricated by Using RF Sputtering and Rapid Thermal Annealing Process for Buffer Layer in Thin Film Solar Cells","authors":"C. Park, Young-Kil Jun","doi":"10.13067/JKIECS.2020.15.4.665","DOIUrl":"https://doi.org/10.13067/JKIECS.2020.15.4.665","url":null,"abstract":"Buffer layer in CIGS thin-film solar cells improves energy conversion efficiency through band alignment between the absorption layer and the window layer. ZnS is a non-toxic II-VI compound semiconductor with direct-transition band gaps and n-conductivity as well as with excellent lattice matching for CIGS absorbent layers. In this study, the structural and optical properties of ZnS thin films, deposited by RF magnetron sputtering method and subsequently performed by the rapid thermal annealing treatment, were investigated for the buffer layer. The zincblende cubic structures along (111), (220), and (311) were shown in all specimens. The rapid thermal annealed specimens at the relatively low temperatures were polycrystalline structure with the wurtzite hexagonal structures along (002). Rapid thermal annealing at high temperatures changed the polycrystalline structure to the single crystal of the zincblende cubic structures. Through the chemical analysis, the zincblende cubic structure was obtained in the specimen with the ratio of Zn/S near stoichiometry. ZnS thin film showed the shifted absorption edge towards the lower wavelength as annealing temperature increased, and the mean optical transmittance in the visible light range increased to 80.40% under 500°C conditions.","PeriodicalId":22843,"journal":{"name":"The Journal of the Korea institute of electronic communication sciences","volume":"72 1","pages":"665-670"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75928607","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
Analysis of EEG Reproducibility for Personal Authentication 个人身份认证的脑电图再现性分析
The Journal of the Korea institute of electronic communication sciences Pub Date : 2020-01-01 DOI: 10.13067/JKIECS.2020.15.3.527
Yu-Ra Jung, Y. Jang
{"title":"Analysis of EEG Reproducibility for Personal Authentication","authors":"Yu-Ra Jung, Y. Jang","doi":"10.13067/JKIECS.2020.15.3.527","DOIUrl":"https://doi.org/10.13067/JKIECS.2020.15.3.527","url":null,"abstract":"","PeriodicalId":22843,"journal":{"name":"The Journal of the Korea institute of electronic communication sciences","volume":"16 1","pages":"527-532"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76127317","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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