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Jurnal Elektronika dan Telekomunikasi
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : 14118289     EISSN : 25279955     DOI : -
Core Subject : Engineering,
Electrical & Electronics Engineering Engineering
Jurnal Elektronika dan Telekomunikasi (JET) is an open access, a peer-reviewed journal published by Research Center for Electronics and Telecommunication - Indonesian Institute of Sciences. We publish original research papers, review articles and case studies on the latest research and developments in the field of electronics, telecommunications, and microelectronics engineering. JET is published twice a year and uses double-blind peer review. It was first published in 2001.
Arjuna Subject : -
Articles 470 Documents
 18   19   20   21   22 
Low-Cost Multimodal Physiological Telemonitoring System through Internet of Things Kadek Heri Sanjaya; Asep Nugroho; Latif Rozaqie; Yukhi Mustaqim Kusuma Sya'Bana; Rizqi Andry Ardiansyah; Artha Ivonita Simbolon; Ulfah Nadiya; Dalna Nikita Ramdhani; Muhammad Akbar Maulana; Achmad Fachturrohman; Vyndi Myllazari; Bhetri Sonia Yolandari; Lolita Agastya
Jurnal Elektronika dan Telekomunikasi Vol 21, No 1 (2021)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v21.55-63

Abstract

The objective of this study is to develop and test a patient telemonitoring system. This study was encouraged by the high number of health workers fatalities in Indonesia due to physical contact without proper protection. Based on the symptoms of COVID-19 it consists of electrocardiogram (ECG) sensors, body temperature sensors, respiratory rate sensors, and pulse oximeter. The physiological data were captured by the sensors and collected by a microcontroller then it sends the data to a cloud system so that health workers can access the data. The experiments were performed to test both the offline and online protocol to compare data sent via a direct connection and data sent via Wi-Fi. In the offline testing, there were several limitations observed such as the low sampling frequency of the ECG signals that reduce the fidelity of the signals. Such problems were also observed on respiratory rate data. Furthermore, the system is also very prone to subjects’ movement-related noise. The measurements of peripheral oxygen saturation (SpO2) and body temperature, on the other hand, have been detected the slight change up to 0.1% and 0.5oC respectively. In the online testing, the data transmission to the cloud is sent per 30 seconds so that morphologically the ECG signal data are not representative. The system requires a lot of improvements and future study should be directed to improve signals acquisition and processing while maintaining the concept of low-cost. Design improvement should also include a better attachment design to the human body as well as greater data transmission for the online system.
Appendix Vol. 21 No. 1 Salita Ulitia Prini
Jurnal Elektronika dan Telekomunikasi Vol 21, No 1 (2021)
Publisher : LIPI Press

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Abstract

Speech Enhancement Using Deep Learning Methods: A Review Asri Rizki Yuliani; M. Faizal Amri; Endang Suryawati; Ade Ramdan; Hilman Ferdinandus Pardede
Jurnal Elektronika dan Telekomunikasi Vol 21, No 1 (2021)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v21.19-26

Abstract

Speech enhancement, which aims to recover the clean speech of the corrupted signal, plays an important role in the digital speech signal processing. According to the type of degradation and noise in the speech signal, approaches to speech enhancement vary. Thus, the research topic remains challenging in practice, specifically when dealing with highly non-stationary noise and reverberation. Recent advance of deep learning technologies has provided great support for the progress in speech enhancement research field. Deep learning has been known to outperform the statistical model used in the conventional speech enhancement. Hence, it deserves a dedicated survey. In this review, we described the advantages and disadvantages of recent deep learning approaches. We also discussed challenges and trends of this field. From the reviewed works, we concluded that the trend of the deep learning architecture has shifted from the standard deep neural network (DNN) to convolutional neural network (CNN), which can efficiently learn temporal information of speech signal, and generative adversarial network (GAN), that utilize two networks training.
Improving Neural Network Based on Seagull Optimization Algorithm for Controlling DC Motor Widi Aribowo; Supari Muslim; Fendi Achmad; Aditya Chandra Hermawan
Jurnal Elektronika dan Telekomunikasi Vol 21, No 1 (2021)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v21.48-54

Abstract

This article presents a direct current (DC) motor control approach using a hybrid Seagull Optimization Algorithm (SOA) and Neural Network (NN) method. SOA method is a nature-inspired algorithm. DC motor speed control is very important to maintain the stability of motor operation. The SOA method is an algorithm that duplicates the life of the seagull in nature. Neural network algorithms will be improved using the SOA method. The neural network used in this study is a feed-forward neural network (FFNN). This research will focus on controlling DC motor speed. The efficacy of the proposed method is compared with the Proportional Integral Derivative (PID) method, the Feed Forward Neural Network (FFNN), and the Cascade Forward Backpropagation Neural Network (CFBNN). From the results of the study, the proposed control method has good capabilities compared to standard neural methods, namely FFNN and CFBNN. Integral Time Absolute Error and Square Error (ITAE and ITSE) values from the proposed method are on average of 0.96% and 0.2% better than the FFNN and CFBNN methods.
Front Cover Vol. 21 No. 1 Chaeriah Bin Ali Wael
Jurnal Elektronika dan Telekomunikasi Vol 21, No 1 (2021)
Publisher : LIPI Press

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Design and Realization of Band Pass Filter in K-Band Frequency for Short Range Radar Application Arie Setiawan; Taufiqqurrachman Taufiqqurrachman; Adam Kusumah Firdaus; Fajri Darwis; Aminuddin Rizal; Winy Desvasari; Hana Arisesa; Sulistyaningsih Sulistyaningsih; Prasetyo Putranto; Nasrullah Armi; Dharu Arseno
Jurnal Elektronika dan Telekomunikasi Vol 21, No 1 (2021)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v21.1-7

Abstract

Short range radar (SRR) uses the K-band frequency range in its application. The radar requires high-resolution, so the applied frequency is 1 GHz wide. The filter is one of the devices used to ensure only a predetermined frequency is received by the radar system. This device must have a wide operating bandwidth to meet the specification of the radar. In this paper, a band pass filter (BPF) is proposed. It is designed and fabricated on RO4003C substrate using the substrate integrated waveguide (SIW) technique, results in a wide bandwidth at the K-band frequency that centered at 24 GHz. Besides the bandwidth analysis, the analysis of the insertion loss, the return loss, and the dimension are also reported. The simulated results of the bandpass filter are: VSWR of 1.0308, a return loss of -36.9344 dB, and an insertion loss of -0.6695 dB. The measurement results show that the design obtains a VSWR of 2.067, a return loss of -8.136 dB, and an insertion loss of -4.316  dB. While, it is obtained that the bandwidth is reduced by about 50% compared with the simulation. The result differences between simulation and measurement are mainly due to the imperfect fabrication process.
Perancangan dan Implementasi Pengontrol Arah Pancaran Radar Pengawas Pantai Terhadap Sudut Tertentu Dadin Mahmudin; Andri Setya Dharma; Erwin Susanto; Yuyu Wahyu
Jurnal Elektronika dan Telekomunikasi Vol 14, No 1 (2014)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v14.29-35

Abstract

Dewasa ini telah banyak dilakukan  penelitian dan pengembangan radar . Salah satunya adalah radar yang ditempatkan di Kapal Laut. Penempatan radar di kapal laut mempunyai kendala pada tiang agung kapal. Tiang agung akan mengganggu fungsi radar karena adanya pantulan sinyal jarak dekat pada tiang agung. Hal ini dapat diantisipasi dengan mematikan pancaran radar saat arah pancaran radar menuju pada tiang agung kapal laut.Oleh sebab itu didalam penelitian ini dirancang  prototype untuk mengatur otomatis aktif dan tidaknya pancaran radar berdasarkan arah pancaran radar. Kontrol aktif  dan tidaknya pancaran radar ini dikontrol menggunakan perpaduan sensor ultrasonik dan sensor kompas dengan dilengkapi metode fuzzy sebagai logika jauh dekatnya tiang agung. Jika sensor ultrasonik membaca adanya halangan maka pancaran tidak aktif begitu sebaliknya. Penggabungan kedua sensor ini bertujuan jika sensor ultrasonik tidak dapat bekerja karena hujan maka kontrol sudut pada sensor kompas yang akan bekerjaSetelah dilakukan perancangan dan pengujian pada alat ini maka diperoleh sudut deviasi dengan range 14,30 – 29,30 dengan eror ± 30. Dengan acuan jangkauan titik tiang agung 60-120cm dari poros radar dengan lebar tiang 30cm. Kecepatan yang diperoleh saat fuzzy berlangsung sebesar 20 kali rpm dari kecepatan normal saat prototype mengenai halangan. Serta adanya sensor hujan berperan sebagai switch sensor ultrasonik ke mode off dan mode on untuk sensor kompas dengan menggunakan inisialisasi awal. Dari data yang dihasilkan prototype ini maka diperoleh keberhasilan sebesar 85% dilihat dari pengujian beberapa sensor dan peggabungannya. Oleh sebab itu apabila prototype ini direalisasikan akan membantu penelitian industri perkapalan dalam pembuatan radar sesungguhnya.
Vol. 09 No. 3 Jurnal Elektronika dan Telekomunikasi
Jurnal Elektronika dan Telekomunikasi Vol 01-12 (Printed Issues)
Publisher : LIPI Press

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Table of Content: Modul Surya untuk Mengatasi Krisis Energi   [82 - 89]  ↠ Ika Ismet, Shobih, Erlyta Septa RosaBidirectional metal-based 1X2 POF Coupler with Hollow Taper Waveguide  [90 - 94]  ↠ Abang Annuar Ehsan, Sahbudin Shaari, Mohd Kamil Abd. RahmanEfektivitas Transformator Delta Zigzag (Dz) Sekunder Lilitan Ditransposisi Membatasi Harmonisa  [95 - 103]  ↠ Chairul Gagarin lrianto, Rudy SetiabudyEvaluasi Kinerja Forward Error Correction pada Mobile WiMAX/IEEE 802.16e  [104 - 109]  ↠ Muhammad Daud Nurdin, Andriyan Bayu S., Hendrawan, Sugihartono, Deni HamdanzImage Processing Pemisahan Object dari Background pada Identifikasi Tingkat Kematangan Buah Pisang Mas  [110 - 117]  ↠ Dayat Kurniawan, Ros SariningrumPemanfaatan Sifat Kabel Semi Kaku untuk Pengoreksi Fasa pada Saluran Transmisi Terdistribusi Antena Radar Tersusun  [118 - 123]  ↠ Syamsu Ismail, Deni Permana K.Penentuan State of Charge Batere Menggunakan Jaringan Syaraf Tiruan  [124 - 130]  ↠ Yefriad, Rismawan Perdana Putra Barus, Nadia AlfitrRancang Bangun Instrumen Elektronik sebagai Sistem Pengamanan Gedung dari Kebakaran Berbasis Handphone  [131 - 136]  ↠ Ali NurdinSimulasi Rancang Bangun High Gain Power Amplifier (PA)  [137 - 140]  ↠ Pamungkas Daud, Mashury, Dadin Mahmudin, Yudi YuliyusTeknologi Lapisan Tipis pada Substrat Alumina (Al203) dan Aplikasinya Untuk Rangkaian Gelombang Mikro  [141 - 147]  ↠ Lia Muliani, Gandi Sugandi, Jojo Hidayat
Fractional-N PLL Synthesizer for FMCW Signal Generator with Dual-Mode Modulation Pattern R. Indrawijaya; R. Sariningrum; B. Edi Sukoco; D. Muliawandana
Jurnal Elektronika dan Telekomunikasi Vol 18, No 2 (2018)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v18.46-52

Abstract

Radar signal generator is a critical component in radar system as it determines the best achievable resolution. Single chip Fractional-N PLL synthesizer with built-in VCO and sweep modulator become more popular as Frequency Modulated Continuous Wave (FMCW) signal generator due to the simplicity and overall cost reduction. This paper presents a realization process and experimental result of dual-mode modulation pattern FMCW signal generator using HMC769LP6CE PLL. The PLL is controlled by ATMega328 microcontroller and Altera EPM240T100C5 CPLD to operate in two difference mode: 1-way sweep mode and 2-way sweep mode. The PLL is programmed with four different sweep bandwidth from 6.75–54 MHz for different range and resolution radar purpose. The performance of FMCW signal generator is measured using the output of passband signal spectrum. The experimental results indicate that the PLL-VCO with 2-way sweep mode has clearer frequency passband compared to 1-way sweep mode.
Front Cover Vol 16 No 2 Chaeriah Bin Ali Wael
Jurnal Elektronika dan Telekomunikasi Vol 16, No 2 (2016)
Publisher : LIPI Press

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Page 20 of 47 | Total Record : 470

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