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Reflector antenna design in different frequencies using frequency selective surfaces 利用频率选择曲面设计不同频率的反射天线
Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI: 10.12928/telkomnika.v21i5.25016
Shahir Fleyeh Nawaf, Lujain S. Abdulla, Abdulmutalib A-Wahab Husein
{"title":"Reflector antenna design in different frequencies using frequency selective surfaces","authors":"Shahir Fleyeh Nawaf, Lujain S. Abdulla, Abdulmutalib A-Wahab Husein","doi":"10.12928/telkomnika.v21i5.25016","DOIUrl":"https://doi.org/10.12928/telkomnika.v21i5.25016","url":null,"abstract":"In this study, it is aimed to obtain two different asymmetric radiation patterns obtained from antennas in the shape of the cross-section of a parabolic reflector (fan blade type antennas) and antennas with cosecant-square radiation characteristics at two different frequencies from a single antenna. For this purpose, firstly, a fan blade type antenna design will be made, and then the reflective surface of this antenna will be completed to the shape of the reflective surface of the antenna with the cosecant-square radiation characteristic with the frequency selective surface designed to provide the characteristics suitable for the purpose. The frequency selective surface designed and it provides the perfect transmission as possible at 4 GHz operating frequency, while it will act as a band-quenching filter for electromagnetic waves at 5 GHz operating frequency and will be a reflective surface. Thanks to this frequency selective surface to be used as a reflective surface in the antenna, a fan blade type radiation characteristic at 4 GHz operating frequency will be obtained, while a cosecant-square radiation characteristic at 5 GHz operating frequency will be obtained .","PeriodicalId":38281,"journal":{"name":"Telkomnika (Telecommunication Computing Electronics and Control)","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135063727","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
Wavelet-based sensing technique in cognitive radio network 认知无线电网络中基于小波的传感技术
Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI: 10.12928/telkomnika.v21i5.24678
M. H. Mohamad, Nurusolihah Zamri, N. K. Ibrahim
{"title":"Wavelet-based sensing technique in cognitive radio network","authors":"M. H. Mohamad, Nurusolihah Zamri, N. K. Ibrahim","doi":"10.12928/telkomnika.v21i5.24678","DOIUrl":"https://doi.org/10.12928/telkomnika.v21i5.24678","url":null,"abstract":"","PeriodicalId":38281,"journal":{"name":"Telkomnika (Telecommunication Computing Electronics and Control)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47312512","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 and simulation an optimal enhanced PI controller for congestion avoidance in TCP/AQM system 设计并仿真了TCP/AQM系统中用于避免拥塞的最优增强型PI控制器
Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI: 10.12928/telkomnika.v21i5.24872
Y. A. Mohammed, Layla H. Abood, N. N. Kadhim
{"title":"Design and simulation an optimal enhanced PI controller for congestion avoidance in TCP/AQM system","authors":"Y. A. Mohammed, Layla H. Abood, N. N. Kadhim","doi":"10.12928/telkomnika.v21i5.24872","DOIUrl":"https://doi.org/10.12928/telkomnika.v21i5.24872","url":null,"abstract":"ABSTRACT","PeriodicalId":38281,"journal":{"name":"Telkomnika (Telecommunication Computing Electronics and Control)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49073043","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
Fault-tolerant backup storage system for confidential data in distributed servers 分布式服务器机密数据的容错备份存储系统
Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI: 10.12928/telkomnika.v21i5.25305
Olzhas Tasmagambetov, Y. Seitkulov, R. Ospanov, B. Yergaliyeva
{"title":"Fault-tolerant backup storage system for confidential data in distributed servers","authors":"Olzhas Tasmagambetov, Y. Seitkulov, R. Ospanov, B. Yergaliyeva","doi":"10.12928/telkomnika.v21i5.25305","DOIUrl":"https://doi.org/10.12928/telkomnika.v21i5.25305","url":null,"abstract":"ABSTRACT","PeriodicalId":38281,"journal":{"name":"Telkomnika (Telecommunication Computing Electronics and Control)","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66290868","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
Big data cloud-based recommendation system using NLP techniques with machine and deep learning 基于机器和深度学习的NLP技术的大数据云推荐系统
Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI: 10.12928/telkomnika.v21i5.24889
H. K. Omar, M. Frikha, A. Jumaa
{"title":"Big data cloud-based recommendation system using NLP techniques with machine and deep learning","authors":"H. K. Omar, M. Frikha, A. Jumaa","doi":"10.12928/telkomnika.v21i5.24889","DOIUrl":"https://doi.org/10.12928/telkomnika.v21i5.24889","url":null,"abstract":"","PeriodicalId":38281,"journal":{"name":"Telkomnika (Telecommunication Computing Electronics and Control)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46661148","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 progressive learning for structural tolerance online sequential extreme learning machine 一种渐进式学习的结构公差在线序贯极限学习机
Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI: 10.12928/telkomnika.v21i5.24564
Sarutte Atsawaraungsuk, Wasaya Boonphairote, Kritsanapong Somsuk, Chanwit Suwannapong, Suchart Khummanee
{"title":"A progressive learning for structural tolerance online sequential extreme learning machine","authors":"Sarutte Atsawaraungsuk, Wasaya Boonphairote, Kritsanapong Somsuk, Chanwit Suwannapong, Suchart Khummanee","doi":"10.12928/telkomnika.v21i5.24564","DOIUrl":"https://doi.org/10.12928/telkomnika.v21i5.24564","url":null,"abstract":"","PeriodicalId":38281,"journal":{"name":"Telkomnika (Telecommunication Computing Electronics and Control)","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66290334","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 combined fuzzy logic and LMS algorithm for smart antenna 智能天线的高效模糊逻辑和LMS结合算法
Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI: 10.12928/telkomnika.v21i5.24370
M. Miry, A. H. Mary
{"title":"Efficient combined fuzzy logic and LMS algorithm for smart antenna","authors":"M. Miry, A. H. Mary","doi":"10.12928/telkomnika.v21i5.24370","DOIUrl":"https://doi.org/10.12928/telkomnika.v21i5.24370","url":null,"abstract":"ABSTRACT","PeriodicalId":38281,"journal":{"name":"Telkomnika (Telecommunication Computing Electronics and Control)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45526664","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
Electroencephalography-based brain-computer interface using neural networks 基于脑电图的神经网络脑机接口
Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI: 10.12928/telkomnika.v21i5.24839
Pham Van Huu Thien, Nguyen Ngoc Son
{"title":"Electroencephalography-based brain-computer interface using neural networks","authors":"Pham Van Huu Thien, Nguyen Ngoc Son","doi":"10.12928/telkomnika.v21i5.24839","DOIUrl":"https://doi.org/10.12928/telkomnika.v21i5.24839","url":null,"abstract":"","PeriodicalId":38281,"journal":{"name":"Telkomnika (Telecommunication Computing Electronics and Control)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47701608","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
Impact of CuS counter electrode calcination temperature on quantum dot sensitized solar cell performance cu对电极煅烧温度对量子点敏化太阳能电池性能的影响
Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI: 10.12928/telkomnika.v21i5.25118
Le Thi Ngoc Tu, H. Tung
{"title":"Impact of CuS counter electrode calcination temperature on quantum dot sensitized solar cell performance","authors":"Le Thi Ngoc Tu, H. Tung","doi":"10.12928/telkomnika.v21i5.25118","DOIUrl":"https://doi.org/10.12928/telkomnika.v21i5.25118","url":null,"abstract":"","PeriodicalId":38281,"journal":{"name":"Telkomnika (Telecommunication Computing Electronics and Control)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48370943","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
ResNet-n/DR: Automated diagnosis of diabetic retinopathy using a residual neural network ResNet-n/DR：利用残差神经网络自动诊断糖尿病视网膜病变
Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI: 10.12928/telkomnika.v21i5.24515
Noor M. Al-Moosawi‬‏, Raidah S. Khudeyer
{"title":"ResNet-n/DR: Automated diagnosis of diabetic retinopathy using a residual neural network","authors":"Noor M. Al-Moosawi‬‏, Raidah S. Khudeyer","doi":"10.12928/telkomnika.v21i5.24515","DOIUrl":"https://doi.org/10.12928/telkomnika.v21i5.24515","url":null,"abstract":"","PeriodicalId":38281,"journal":{"name":"Telkomnika (Telecommunication Computing Electronics and Control)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41488944","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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