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All Journal Jurnal Teliska Journal of Science and Engineering Informanika
ZEFI, SUSAN
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SISTEM KOMUNIKASI DAN INFORMASI DATA WIRELESS SENSOR NETWORK UNTUK DETEKSI DINI GEMPA BUMI Halimatussa’diyah, R.A; Susanti, Eka; zefi, Susan
JURNAL INFORMANIKA Vol 4, No 2 (2018)
Publisher : POLITEKNIK ANIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Indonesia merupakan negara yang diapit oleh dua samudra, yaitu Samudra Pasifik dan Samudra Hindia serta diapit oleh dua benua yaitu Benua Asia dan Benua Australia, tak hanya itu Indonesia juga dilalui oleh jalur pertemuan 3 lempeng tektonik, yaitu: Lempeng Indo-Australia, Lempeng Eurasia, dan Lempeng Pasifik. Sehingga membuat Indonesia termasuk kedalam negara yang sering terjadi bencana alam terutama gempa bumi. Gempa bumi sering terjadi bahkan tanpa sepengetahuan manusia sehingga tak jarang korban jiwa berjatuhan bila bencana alam ini terjadi. Bencana alam gempa bumi merupakan fenomena alam yang tidak dapat diprediksi kejadiannya, namun bahaya resiko yang diakibatkan oleh gempa bumi dapat dihindari dan dikurangi atau dimitigasi. Hal yang mungkin dapat dilakukan adalah membangun sistem peringatan dini (early warning system) yang berfungsi sebagai peringatan darurat saat terjadinya gempa. Selanjutnya peneliti akan merancang, membuat suata teknolgi terapan alat pendeteksi dini gempa bumi yang bisa dipasang beberapa sensor dan wireless sensor network, sehingga akan memungkinkan dapat dilakukan adalah membangun sistem peringatan dini (early warning system) yang berfungsi sebagai peringatan darurat saat terjadinya gempa. Wireless Sensor Network adalah sebuah jaringan komunikasi sensor yang terhubung secara wireless untuk memonitor kondisi fisis atau kondisi lingkungan tertentu pada lokasi yang berbeda antara sensor dan pemrosesan datanya. Dalam penelitian ini akan menerapkan teknologi Wireless Sensor Network (WSN) sebagai pengirim data, untuk alat pendeteksi dini gempa bumi dengan menggunakan sensor suhu dan sensor kelembaban serta sensor gas. Kata Kunci : Mikrokontroller, Motor DC, Senssor dan Transducer, Wireless Sensor Network
Rancang Bangun Modul Pembelajaran High Pass Filter dan Low Pass Filter untuk Praktikum di Laboratorium Teknik Telekomunikasi Politeknik Negeri Sriwijaya Zefi, Susan; Ciksadan, Ciksadan; Alifah, Farah Balqis; Shalama, Maura Fatima
Journal of Science and Engineering Vol 7, No 2 (2024): Journal of Science and Engineering (JOSAE)
Publisher : Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/josae.v7i2.8929

Abstract

Filters are one of the series that are needed in everyday life. Both in the fields of electronics and telecommunications.This circuit is composed of passive components, namely resistors and capacitors. The research method used is the experimental method for the module design stage which will be tested and prove the output results based on theory. Based on data from experiments that have been carried out, the passive second order high pass filter and low pass filter circuit produces the same frequency response as the theory, namely when the circuit is given a voltage of 1V and a different frequency, it produces the frequency response graph increases where the higher the frequency, the higher and more stable the frequency response graph produced vice versa. According to the data that has been obtained and converted to a frequency response graph, it proves that the frequency response graph of the module made is almost the same as the frequency response graph of the CET-17202B-01 module, only there is a slight difference in the output voltage and tolerance due to the influence of the load on the components used. 
IMPLEMENTASI PENGUAT JARINGAN POINT TO POINT POLITEKNIK NEGERI SRIWIJAYA KE AGROTEKNO DESA GELEBAK DALAM Sarjana; Zefi, Susan; Damayanti, Cesha
JURNAL TELISKA Vol 16 No III November (2023): TELISKA November 2023
Publisher : Teknik Elektro Polsri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.8376692

Abstract

In this research the author aims to increase and expand the coverage of the Wireless LAN connection signal at Sriwijaya State Polytechnic to Agrotekno Gelebak Dalam. The testing method used is to use the Ubiquiti AirOS PowerBeam M5 using Field Research and Literature Research methods for data collection methods and network testing guidelines. WLAN and the implementation of a WLAN network amplifier refers to the Wifi Range Extender or TP-Link TL WA855RE. In this research entitled Implementation of a Series of Point to Point Network Amplifiers at Sriwijaya State Polytechnic to Agrotekno Gelebak Dalam Village which refers to the method of Implementing a TP-Link TL WA855RE Network Amplifier So it can be concluded that strengthening the WLAN network by adding a Repeater or Wifi Range Extender is more efficient in saving time and costs in its implementation. Key words : WLAN, Implementation, Repeater
Rancang Bangun Modul Pembelajaran High Pass Filter dan Low Pass Filter untuk Praktikum di Laboratorium Teknik Telekomunikasi Politeknik Negeri Sriwijaya Zefi, Susan; Ciksadan, Ciksadan; Alifah, Farah Balqis; Shalama, Maura Fatima
Journal of Science and Engineering Vol 7, No 2 (2024): Journal of Science and Engineering (JOSAE)
Publisher : Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/josae.v7i2.8929

Abstract

Filters are one of the series that are needed in everyday life. Both in the fields of electronics and telecommunications.This circuit is composed of passive components, namely resistors and capacitors. The research method used is the experimental method for the module design stage which will be tested and prove the output results based on theory. Based on data from experiments that have been carried out, the passive second order high pass filter and low pass filter circuit produces the same frequency response as the theory, namely when the circuit is given a voltage of 1V and a different frequency, it produces the frequency response graph increases where the higher the frequency, the higher and more stable the frequency response graph produced vice versa. According to the data that has been obtained and converted to a frequency response graph, it proves that the frequency response graph of the module made is almost the same as the frequency response graph of the CET-17202B-01 module, only there is a slight difference in the output voltage and tolerance due to the influence of the load on the components used. 
Co-Authors Alifah, Farah Balqis Ciksadan, Ciksadan Damayanti, Cesha Eka Susanti Halimatussa’diyah, R.A Sarjana Shalama, Maura Fatima