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All Journal Jurnal Ilmiah Poli Rekayasa Elektron Jurnal Ilmiah SITEKIN: Jurnal Sains, Teknologi dan Industri

Uzma Septima -

Politeknik Negeri Padang

Author-ID : 2784049

Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Other

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Analisis dan Pengukuran Tanggapan Frekuensi terhadap Redaman Serat Optik Uzma Septima -; Lince Markis -; Ramiati - -; Andi Ahmad Dahlan; Sri Nita -
Jurnal Ilmiah Poli Rekayasa Vol 15, No 2 (2020): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

The concept of smart home and cyber home is not the same, even much different. If a smart home or smart home is more aimed at users or home users who lead to conventional homes equipped with digital devices, the concept of cyber home is more to the bandwidth capacity of the internet to complement digital devices in the home. For this reason, Cyber Park Indonesia cooperates with PT Wika Realty. Specifically to develop the housing as a cyber home, Cyber Park Indonesia uses optical fiber. [Kompas, 2017]. This fact states that communication using optical fiber becomes very important so that to optimize the optical fiber system, a study that produces frequency responses to optical fiber attenuation parameters is made. Various sine signal frequency and amplitude values are given as input from an optical fiber dispersing system by looking at the response of the receiver in the form of voltage parameter values. The frequency values given range from 100 Hz to 10 Khz. The linkage of the input amplitude value to the damping value is an output voltage output generated by the amplitude of the amplitude parameter at the sending end. This voltage value comparison is used as the damping parameter of an optical fiber communication system. Giving this frequency will provide the performance of a fiber optic communication system. The resulting voltage value is a constant of changes in the frequency value.

Installasi Base Transceiver Station (BTS) untuk Jaringan Node B pada Operator Hutchison 3 Indonesia (H3I) Uzma Septima -; Lince Markis -
Jurnal Ilmiah Poli Rekayasa Vol 11, No 1 (2015)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Base Transceiver Station is a device used to connect mobile-phone or smartphone in order to make long-distance communication, although in doing the movement or in transit from one place to another. Installation Base Transceiver Station for Network Node B At the operator Hutchison 3 Indonesia is done to make the operator Hutchison 3 Indonesia signal received by the phone for the better and not dashed when the user performs long-distance communication links with conditions in performing the movement or in the course of one place to another. Methods beginning the process of physical installation of Base Transceiver Station for Node B network in the operator Hutchison 3 Indonesia and order all the Base Transceiver Station can live well after the battery is connected to a rectifier and the required accuracy when performing the installation Base Transceiver Station. Furthermore, the integration process or Commissioning of the Base Transceiver Station for Node B network operator Hutchison 3 Indonesia on this in order to actively and After Commissioning obtained Receive Signal Level sectoral antennas of -59 dBm which can emit a signal as far as 7 km to 8 km , after the new process or Pointing connection between this new Base Transceiver Station Base Transceiver Station with preexisting and Pointing between Siak new Base Transceiver Station Base Transceiver Station Perawang with Perawang Students who have a distance of 5 km Receive Signal level of -32.4 dBm made in accordance with a budget link provided operator Hutchison 3 Indonesia is -30 dBm to -40 dBm.

Implementasi Sistem Pengukuran Redaman Serat Optik Pada Lekukan Lince Markis -; Vera Veronica -; Uzma Septima -
Jurnal Ilmiah Poli Rekayasa Vol 14, No 2 (2019): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Dutch electronics company, Philips, is testing LiFi technology. LiFi or Light Fidelity is able to deliver broadband internet connections through light intermediaries. According to Philips Lightning Olivia Qiu's Chief Innovation Officer, LiFi technology has great potential for today's digital era. Indeed, if you look at the current world trend, internet connection has now become one of the daily needs of humans just like the lighting needs produced by Philips massively. When radio frequency becomes increasingly dense, the light spectrum is a large untapped resource [kompas, 2018]. Based on the facts stated that communication using optical fiber becomes very important so that to optimize the fiber optic system an implementation of optical fiber attenuation measurements is made. In this study, the method of implementing the measurement of optical fiber attenuation at a wavelength of 875 nm was introduced. This optical fiber attenuation measurement utilizes transmitter and receiver optical fiber systems that are connected to optical fibers with different lengths and curves. Attenuation for the length of 1, 3, 4, 5 and 6 meter optical fibers is 0.034, 0.558, 0.625, 1.156 and 2.170 dB respectively in straight optical fiber conditions. The power values for each optical fiber with lengths 1, 3,4,5 and 6m respectively are 52.21, 51.58, 50.81, 45.08 and 30.05 dB when there are curves. The attenuation values of each 1, 3, 4, 5 and 6 m optical fiber lengths are - 0.746, - 0.8, - 0.864, - 1,384 and - 3,145 dB respectively when there is a curve.

Optimalisasi Capaian Pembelajaran Matakuliah Berbasis Pemrograman Melalui Media E-Learning Ratna Dewi; Silfia Rifka; Rikki Vitria; Uzma Septima; Ramiati Ramiati
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 18, No 1 (2020): Desember 2020
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v18i1.11628

Pandemik Covid-19 yang dialami seluruh dunia saat ini termasuk Indonesia, memaksa pembelajaran dilakukan secara daring atau e-learning termasuk pada Politeknik Negeri Padang. Dengan kendala yang ada pada mahasiswa sebagai peserta didik dalam sistem pembelajaran ini yaitu kendala dalam mengakses sistem melalui jaringan internet dan belum semua mahasiswa memiliki perangkat komputer yang dibutuhkan dalam mengaplikasikan matakuliah berbasis pemrograman. Agar capaian pembelajaran tetap bisa dicapai secara optimal maka dalam penelitian ini dibuat web untuk sistem pembelajaran daring atau e-learning. Dari hasil penggunaan web ini 82,9 % mahasiswa memahami materi yang ditayangkan dalam web tersebut dan sebagain besar mahasiswa menginginkan materi dalam bentuk video offline sehingga dapat digunakan setiap saat.

Antena Vivaldi Konvensional untuk Penerapan pada Radar Cuaca (9.4 GHz) Randhika Rianza; Uzma Septima; Ahmad Dahlan; Firdaus Firdaus; Nasrul Nasrul; Yulindon Yulindon; Yustini Yustini
Elektron : Jurnal Ilmiah Volume 14 Nomor 1 Tahun 2022
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/eji.14.1.236

To predict weather conditions as an anticipation act towards natural disasters, a weather radar is needed. In weather radar technology, antennas play an important role in supporting the performance of the weather radar. Vivaldi antenna is the right choice because it has an unlimited bandwidth so it is able to operate at the desired work frequency, including the working frequency of weather radar (9.4 GHz). This research discusses the modification of tapered slots, circular stub, radial stub, length and width of the reference vivaldi antenna [1] using CST Studio software. After modifications and measurements, a return loss value of -23.25336989 dB, bandwidth of 500 MHz, VSWR 1.188463357, gain of 3.99 dBi, and unidirectional radiation patterns. All the resulting antenna parameter values are in good condition and qualify the weather radar antenna for a working frequency of 9.4 GHz.

Co-Authors Ahmad Dahlan Andi Ahmad Dahlan Firdaus Firdaus Lince Markis Nasrul Ramiati Ramiati Randhika Rianza Ratna Dewi Rikki Vitria Silfia Rifka Sri Nita - Vera Veronica Yulindon Yustini

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