Browse Items (67 total)
- Collection: Vol. 18, No. 3 2020
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TELKOMNIKA Telecommunication, Computing, Electronics and Control
Comparison between piezoelectric transformer and electromagnetic transformer used in electronic circuitsv
This paper presents study, modeling and simulation of the piezoelectric
material works as transformer (piezoelectric transformer (PT)) in power
electronic circuits, comparisons are made with the regular transformer
(iron core) works in the same…
material works as transformer (piezoelectric transformer (PT)) in power
electronic circuits, comparisons are made with the regular transformer
(iron core) works in the same…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Image denosing in underwater acoustic noise using discrete wavelet transform with different noise level estimation
In many applications, Image de-noising and improvement represent essential processes in presence of colored noise such that in underwater. Power spectral density of the noise is changeable within a definite frequency range, and autocorrelation noise…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Fractal analysis of electrical tree grown in silicone rubber nanocomposites
Electrical treeing is one of the main reasons for long-term degradation
of high voltage insulation especially in the cable accessory which commonly made from silicone rubber due to non-uniformly structures of the cable accessories. Recently, the…
of high voltage insulation especially in the cable accessory which commonly made from silicone rubber due to non-uniformly structures of the cable accessories. Recently, the…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Knowledge internalization in e-learning management system
Knowledge management (KM) is gaining significance as a worthy
research subject due to its contribution to the success of wide range of organizations, including higher education institutions. Knowledge internalization is mainly related to capability…
research subject due to its contribution to the success of wide range of organizations, including higher education institutions. Knowledge internalization is mainly related to capability…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Prediction schizophrenia using random forest
Schizophrenia is a mental illness with a very bad impact on sufferers, attacking the part of human brain that disables the ability to think clearly. In 2018, Rustam and Rampisela classified Schizophrenia by using Northwestern University Schizophrenia…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Pulmonary rontgen classification to detect pneumonia disease using convolutional neural networks
Every organism is known to have different structural and biological system, specifically in human immunity. If the immune system weakens, the body is susceptible to disease especially pneumonia disease. Pneumonia disease is caused by the bacterium…
