Browse Items (67 total)
- Collection: Vol. 18, No. 3 2020
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TELKOMNIKA Telecommunication, Computing, Electronics and Control
Novel dependencies of currents and voltages in power system steady state mode on regulable parameters of three-phase systems symmetrization
The unbalanced mode, negative/zero sequence, variation of real power are caused by the nonlinear or unbalanced loads increase the power transmission losses in distributing power systems and also harmful to the electric devices. Reactive power…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
OFDM synchronization system using wavelet transform for symbol rate detection
In radio communications, using wavelet signal analysis to recover
the symbol rate timing clock of orthogonal frequency-division multiplexing (OFDM) is a new approach that can tolerate signal distortion from intersymbol interference (ISI) and…
the symbol rate timing clock of orthogonal frequency-division multiplexing (OFDM) is a new approach that can tolerate signal distortion from intersymbol interference (ISI) and…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
On the dynamic behavior of the current in the condenser of a boost converter controlled with ZAD
In this paper, an analytical and numerical study is conducted on the dynamics of the current in the condenser of a boost converter controlled with ZAD, using a pulse PWM to the symmetric center. A stability analysis of periodic 1T-orbits was made by…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
On-chip debugging for microprocessor design
This article proposes a closer-to-metal approach of RTL inspection in microprocessor design for use in education, engineering, and research. Signals of interest are tapped throughout the microprocessor hierarchical design and are then output to the…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Performance analysis of image transmission with various channel conditions/modulation techniques
This paper investigates the impact of different modulation techniques for digital communication systems that employ quadrature phase shift keying (QPSK) and quadrature amplitude modulation (16-QAM and 64-QAM) to transmit images over AWGN and Rayleigh…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Predicting student performance in higher education using multi-regression models
Supporting the goal of higher education to produce graduation who will be a professional leader is a crucial. Most of universities implement intelligent information system (IIS) to support in achieving their vision and mission. One of the features of…
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…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Radiation beam scanning for leaky wave antenna by using slots
This paper provides an insight of a new, microstrip leaky wave antenna.
It holds the ability to continue steer its beam at a swapping frequency. This is done with acceptable impedance matching while scanning and very little gain variation.…
It holds the ability to continue steer its beam at a swapping frequency. This is done with acceptable impedance matching while scanning and very little gain variation.…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Simple broadband circularly polarized monopole antenna with two asymmetrically connected U-shaped parasitic strips and defective ground plane
A simple compact broadband circularly polarized monopole antenna,
which comprises a simple monopole, a modified ground plane with
an implementing triangular stub and two asymmetrically connected U-shaped parasitic strips, is proposed. Simulation…
which comprises a simple monopole, a modified ground plane with
an implementing triangular stub and two asymmetrically connected U-shaped parasitic strips, is proposed. Simulation…