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All Journal International Journal of Electrical and Computer Engineering Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Jurnal Simetris TELKOMNIKA (Telecommunication Computing Electronics and Control) Sinergi Journal of ICT Research and Applications Jurnal Teknologi Elektro Proceeding of the Electrical Engineering Computer Science and Informatics InComTech: Jurnal Telekomunikasi dan Komputer Techne : Jurnal Ilmiah Elektroteknika Jurnal Elektronika dan Telekomunikasi Jurnal Abdi Masyarakat (JAM) Jurnal Ilmu Teknik dan Komputer Indonesian Journal of Electrical Engineering and Computer Science International Journal of Advanced Technology in Mechanical, Mechatronics and Material (IJATEC) Journal of Telecommunication, Electronics and Control Engineering (JTECE) Journal of Integrated and Advanced Engineering (JIAE) Jurnal Impresi Indonesia Journal of Informatics and Communication Technology (JICT) Jurnal Rekayasa elektrika Molekul: Jurnal Ilmiah Kimia Journal of Informatics and Communication Technology (JICT) Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics
Mudrik Alaydrus
Department Of Electrical Engineering, Faculty Of Engineering, Universitas Mercu Buana, Jakarta
Religion Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences

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Studi Metode Klasifikasi Machine Learning dengan Gray Level Co-occurrence Matrix Pada Sistem Pengenalan Bunga Lionnie, Regina; Alaydrus, Mudrik
InComTech : Jurnal Telekomunikasi dan Komputer Vol 15, No 2 (2025)
Publisher : Department of Electrical Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/incomtech.v15i2.16007

Abstract

Bunga adalah produsen terpenting di bumi yang dapat tumbuh di berbagai iklim dan habitat. Tidak seperti klasifikasi objek sederhana pengenalan bunga dan klasifikasi bunga adalah tugas yang menantang karena beberapa kelas bunga dapat memiliki fitur yang serupa: beberapa bunga dari jenis yang berbeda memiliki warna, bentuk dan penampilan yang serupa. Studi penelitian ini membandingkan dan melakukan optimasi parameter pada beberapa metode klasifikasi pada machine learning dan kombinasinya dengan metode ekstraksi fitur gray level co-occurrence matrix berbasis pengolahan citra digital. Sistem pengenalan klasifikasi bunga dibagi menjadi dua bagian besar, yaitu metode ekstraksi ciri dan metode klasifikasi. Kemudian proses pengenalan menghasilkan akurasi sistem. Database bunga yang digunakan menggunakan 10 kelas bunga dan setiap kelas bunga berisi 80 citra bunga digital. Total citra dalam database yang digunakan dalam penelitian ini adalah 800 citra.
Design of a Textile Antenna Using Metasurface Technology for Wireless Body Area Networks Sirait, Nurafifah; Fathurahman, Firhan; Alaydrus, Mudrik; Umaisaroh, Umaisaroh
Journal of Telecommunication Electronics and Control Engineering (JTECE) Vol 6 No 2 (2024): Journal of Telecommunication, Electronics, and Control Engineering (JTECE)
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/jtece.v6i2.1326

Abstract

Recently, continuous development and distinctive growth have been observed in implementing wearable sensors and flexible devices in real life. This paper shows a wearable textile antenna design based on a metasurface. It operates in the 3.5 GHz. A proposed model provides light on the metasurface's operation. The prototype of the textile antenna using taslan material was observed and exhibited a relative permittivity of 1.41. Based on these values, we designed a square antenna with an amount of parasitic square around modeled as a planar array. We observed the measured reflection coefficient of the three conditions and saw similar results of the reflection coefficient, which is around -25 dB at 3.5 GHz frequency, and the radiation diagram of the antennas reproduced the simulated one.
Monitoring of Blood Cholesterol Measurement System Using ICT-Based Non-Invasive Methods Oktariadi, Nanda; Alaydrus, Mudrik
Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics Vol. 5 No. 4 (2023): November
Publisher : Jurusan Teknik Elektromedik, Politeknik Kesehatan Kemenkes Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35882/ijeeemi.v5i4.186

Abstract

Coronary heart disease is a public health problem because of its very high morbidity and mortality, the death rate caused by coronary heart disease is quite high in the world, including in Indonesia. This study aims to analyze and develop and realize the application of non-invasive blood cholesterol measurement based on ICT. Contribution of this research is that it can be used as a reference or recommendation for developing a non-invasive ICT-based blood cholesterol measurement system. The research method used in this study is the library study method and the experimental method. The results of this study are: (1) The monitoring system for measuring blood cholesterol levels Non-invasive methods using near infrared technology can be implemented properly and can be monitored based on ICT using webBase; (2) Tests were carried out on 25 random samples with two conditions, conditions before eating and conditions after eating and compared with the invasive method (auto check), found an accuracy value in conditions before eating of 98.47% with an error value of 1.53%, while in the condition after eating found an accuracy of 98.55% with an error value of 1.45%; (3) Testing the blood cholesterol level detection tool with Non-invasive shows a more real time with a duration of 10 seconds until the results are displayed on the LCD screen, while with an invasive method it shows a measurement duration of 26 seconds until the results are displayed on the screen. (4) Based on this test, a non-invasive cholesterol level measuring device can be used as a reference in the development of a blood cholesterol measurement tool so that it can be an option for routine measurements.
Enhanced Microwave Absorbing Characteristics of Cerium Barium Ferrite Composite: Effect of Sintering Temperature Variation Widanarto, Wahyu; Tamtowi, Tomy; Effendi, Mukhtar; Rahmawati, Dina; Supriyanti, Retno; Ghoshal, Sib Krishna; Kurniawan, Candra; Jatmika, Jumaeda; Handoko, Erfan; Umar, Lazuardi; Alaydrus, Mudrik
Molekul Vol 20 No 3 (2025)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2025.20.3.17825

Abstract

ABSTRACT. Cerium barium ferrite composites (CeBFCs) with improved microwave absorbance in the X-band spectral region are advantageous for varied advanced applications. Thus, the influence of various sintering temperatures on the microwave-absorbing traits of CeBFCs was evaluated. The main objective was to enhance the selective microwave absorption of BFC by modifying its magnetic properties through the substitution of Fe³⁺ with Ce³⁺ in the lattice structures. Four composites of CeBF were synthesized via mechanical alloying and sintered at 600, 800, 1000, and 1100°C. The produced samples were analyzed using XRD, VSM, and VNA to determine their microstructures, magnetic properties, and microwave reflection loss at X-band frequencies. XRD results revealed a significant promotion in forming a more pure crystalline barium hexaferrite phase at sintering temperatures higher than 800°C. This structural enhancement could directly influence the magnetic properties of the specimens with a progressive increase in the saturation magnetization with rising sintering temperature. In addition, the sintering temperature variation effectively modulated the electromagnetic properties (complex relative permeability and permittivity) that are vital for impedance matching and optimal wave absorption. The composite sintered at 1000°C displayed an optimal microwave absorption, indicating the lowest reflection loss within the X-band. The obtained products were shown to attenuate and dissipate surplus electromagnetic energy within the 8-12 GHz frequency range. The observed superior performance of the composites was ascribed to a balanced interplay between the magnetic and dielectric losses, leading to efficient impedance matching. It was affirmed that careful tuning of the sintering temperature can improve the crystalline phases, magnetic, electromagnetic, and microwave absorption properties of the proposed CeBFCs. Keywords: Cerium barium ferrite, Microwave absorption, Reflection loss, Sintering temperature, X-band
Co-Authors Abdi Wahab Abdi Wahab Abdi Wahab Abdi Wahab Abdi Wahab Adik Susilo Wardoyo Agus Dendi Rochendi Ahmad Firdausi Ahmad Syadidu Rosyadi Andi Adriansyah Andika Muharam Andrias Izaac Latupapua Audi Nantan Ayu Mika Sherila Beny Nugraha Candra Kurniawan Danang Sunandar Darmanik, Sis Yasin Dian Widi Astuti, Budi Irawan Prima Putra, Dian Widi Astuti, Dina Rahmawati Ellisa Agustina Erfan Handoko Fanda Lyta Suzanayanti Fariz Zikrulhaq Yulfinov Fathurahman, Firhan Furqan Furqan Galang P. N. Hakim Galang Persada Nur Hakim Ghoshal, Sib Krishna Hamzah Hilal Haziel Latupapua Indra Dermawan Intan Wahyuni Inu Manggolo Jatmika, Jumaeda Lazuardi Umar Lukman Medriavin Silalahi Lusi Damayanti Lydia Vintari Majid, Huda A Makarim, Fakhri Zaki Marnel, Sonfia Putra Marza Ihsan Marzuki Meydita Erliana Pardila Mochamad Miftakhul Huda Muhammad Sayidi Muhtar Muhtar Muhtar Muhtar Mukhtar Effendi Muslim Muslim Muslim Muslim Muslim, Muslim Muzammil Jusoh Oki Teguh Karya Oktariadi, Nanda Oktavia, Maharani Purwo Panggalih Gentayu Putri Wulandari RAHAYU, FAJAR Regina Lionnie Reka Pahlevi Retno Supriyanti Reza Farizqi Rio Mubarak Rizal Broer Bahaweres Rizki Ramadhan Putra Rizky Citra Ramadhan Rochendi, Agus Dendi Said Attamimi Said Attamimi Setiyo Budiyanto Sianturi Tigor Franky Devano Sirait, Nurafifah Sis Yasin Darmanik Slamet Riyadi Slamet Riyadi Tamtowi, Tomy Taufik Hidayat Thomas Eibert, Thomas Toni Ismanto Trie Maya Kadarina Umaisaroh Umaisaroh Veronica VERONICA VERONICA Wahju Sediono Wahyu Tri Cahyanto Wahyu Widanarto, Wahyu Wardoyo, Adik Susilo Widi Prasetyo Yohanes Bayu Kristanto Zuansah Rachmat Munggaran Zulkarnaen Akbar Zulkarnaen Akbar, Zulkarnaen