TELKOMNIKA Telecommunication Computing Electronics and Control
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Papers 2,644
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#1Nor Azazi Ngatiman (UTeM: Technical University of Malaysia Malacca)H-Index: 3
#2Mohd. Zaki Nuawi (NUM: National University of Malaysia)H-Index: 17
Last. M. H. Jopri (UTeM: Technical University of Malaysia Malacca)H-Index: 9
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Preprogrammed monitoring of engine failure due to spark plug misfire can be traced using a method called machine learning. Unluckily, a challenge to get a high-efficiency rate because of a massive volume of training data is required. During the study, these failure-generated were enhanced with a novel statistical signal-based analysis called Z-freq to improve the exploration. This study is an exploration of the time and frequency content attained from the engine after it goes under a specific si...
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#1Agung SyetiawanH-Index: 1
#2Dudy D. Wijaya (ITB: Bandung Institute of Technology)H-Index: 7
Last. Irwan Meilano (ITB: Bandung Institute of Technology)H-Index: 17
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It has been widely known that tide monitoring can be done using in situ and satellite-based methods, such as tide gauge and altimetry. However, the utilization of these two technologies in coastal areas has a limitation. Recently, the reflected signals from GNSS have been utilized to observe coastal tides, and it has been found that this method provides promising results. Although this method is promising, there remain problems related to accuracy of the observed tides. The purpose of this study...
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A microgrid is a developed form of a distribution system, which is integrated with a set of different types of distributed generation (DG) to supply local demand. In spite of that microgrids have many advantages as they increase reliability, raise efficiency, decrease feeder losses and voltage sag correction. However, there are many technical challenges faced, one of them is the protection of microgrid. Conventional protections have been made for radial distribution systems configuration. Where ...
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In this paper, we present a new antenna for RFID tag operating in the Moroccan UHF band around 868 MHz, this antenna is designed on a flexible plastic substrate of relativepermittivity 3 and low tangential losses which is 0.002. The proposed tag is designed to identify clothing in supermarkets. The tag antenna has a miniature size of 38mm in length and 26mm in width. This miniature size was obtained by using two RSRR square metamaterial split ring resonators. The impedance matching of the RFID c...
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Loop filter with two order was designed to improve the performance of the Fractional N-PLL circuit (reference spurs noise and switching time), decreasing these two factors give good characteristic to Fractional N-PLL circuit, the second order and third order loop filters are widely used in frequency synthesizer because they give good stability tolerance and for their simple architecture. They are designed at bandwidth B=125 KHz and its multipoles, at two values of the phase margin (pm)= 35°,57°....
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One of the ways to detect COVID is x-rays, computerized tomography (CT). This paper aims to detect COVID-19 without any user intervention. The proposed algorithm consists of 5 stages to detect and classify COVID-19 from cross-sectional images. These stages include; The first of these stages is to collect data from hospitals as real data and from the Internet for the injured and other healthy people, then the pre-noise removal stage and convert it from RGB to grayscale, then we improve the image,...
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Research on brain tumor segmentation has been developed, ranging from threshold-based methods to the use of the deep learning algorithm. In this study, we proposed a region-based brain tumor segmentation method, namely the active contour model (ACM). Tumor segmentation was carried out using (Fluid Attenuated Inversion Recovery) FLAIR modality MRI image data obtained from the BRATS 2015 dataset of 86 images. The initial stage of our segmentation method is to find the initial initialization point/...
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The objective of CBIR is to retrieve relevant medical images from the medical database with reference to the query image in a shorter span of time. All the proposed approaches are different, yet the research goal is to attain better accuracy in a reasonable amount of time. The initial phase of this research presents a feature selection technique that aims to improvise the medical image diagnosis by selecting prominent features. The second phase of the research extracts features and the associati...
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#1Sreenu PonnadaH-Index: 1
#2P. C. Praveen Kumar (GITAM: GITAM University)H-Index: 1
Last. Jude Hemanth (KITS: Karunya University)H-Index: 7
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Visually impaired individuals are increasing worldwide, and as per the world statistics, around 39 million are blind, and 246 million are affected by low vision. This rate is also increasing in India, and as per the latest reviews, over 5 million visually challenged people are present. The authors performed a survey of some critical problems the visually challenged people faced in India from the Centre for Visually Challenged (CVC) School established by UVSM Hospitals. Among the major problems i...
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Arabian desert areas are suffered from high mitigation in the produced photovoltaic (PV) power due to high dusty weather. This article presents a robotic cleaner that will significantly reduce the impact of dust on the installed PV systems in these areas. The proposed robotic cleaner is simple, low cost, standalone, self-powered, portable, and connected to the cloud. ESP32 used as a controller that manages the cleaning process and monitors its PV power production, the battery's state of charge, ...
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