Browse Items (27 total)
- Collection: Vol. 20, No. 5 2022
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TELKOMNIKA Telecommunication, Computing, Electronics and Control
Optimization of light source wavelength for ammonia detection in water
Optimization of light source wavelength for ammonia detection in surface water is presented in this work. For the ammonia detection, the surface water sample is mixed with sodium chloride and nessler reagent, whereas the sensor head consists of…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Model design to develop online web based questionnaire
This research aims to create a web-based application for sharing questionnaires. The developed features are creating questionnaires, sharing questionnaire in the dashboard, filter the questionnaire as the requested criterias, exchange the rewarded…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A stochastic algorithm for solving the posterior inference problem in topic models
Latent Dirichlet allocation (LDA) is an important probabilistic generative
model and has usually used in many domains such as text mining, retrieving information, or natural language processing domains. The posterior inference is the important…
model and has usually used in many domains such as text mining, retrieving information, or natural language processing domains. The posterior inference is the important…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Wind turbine doubly-fed induction generator defects diagnosis under voltage dips
Voltage dips are brief but frequent disturbances that can be defined as the most important problem affecting all electrical grids, it cannot be completely avoided and represent the main priority for the industry. This study remains part of monitoring…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Hybrid features selection method using random forest and meerkat clan algorithm
In the majority of gene expression investigations, selecting relevant genes for sample classification is considered a frequent challenge, with researchers attempting to discover the minimum feasible number of genes while yet achieving excellent…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Bandwidth enhanced deltoid leaf fractal antenna for 5.8 GHz WLAN applications
A wideband deltoid leaf fractal antenna is proposed for 5.8 GHz commonly used in industrial scientific and medical (ISM) and wireless local area networks (WLAN) applications. A microstrip patch antennas is designed with leaf shape radiating element.…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Official logo recognition based on multilayer convolutional neural network model
Deep learning has gained high popularity in the field of image processing
and computer vision applications due to its unique feature extraction
property. For this characteristic, deep learning networks used to solve
different issues in computer…
and computer vision applications due to its unique feature extraction
property. For this characteristic, deep learning networks used to solve
different issues in computer…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
High-speed multi-channel long-haul coherent optical transmission system
In this work, high-speed transmission over the long-haul optical channel
using orthogonal frequency division multiplexing (OFDM) was investigated. Furthermore, we recommend mixing polarization division multiplexing (PDM) with coherent OFDM (CO-OFDM)…
using orthogonal frequency division multiplexing (OFDM) was investigated. Furthermore, we recommend mixing polarization division multiplexing (PDM) with coherent OFDM (CO-OFDM)…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Study the effect of nickel and aluminium doped ZnO photoanode in DSSC
Dye sensitized solar cells (DSSC) is one of the promising candidates which are efficient, low-cost, and clean hybrid molecular solar cell devices. Zinc oxide (ZnO) has been widely used as the phoanode in DSSC due to its excellent charge conduction…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
A secure telemedicine electronic platform based on lightweight cryptographic approachcommunication, Computing, Electronics and Control
Telemedicine platforms have emerged as one of the most harnessed studies in recent years, especially after the spread of pandemics. Due to the epidemic, telemedicine distribution to rural or isolated areas has become an urgent need. However, there…