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Risanuri Hidayat
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Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada Jl. Grafika No 2. Kampus UGM Yogyakarta 55281
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INDONESIA
Jurnal Nasional Teknik Elektro dan Teknologi Informasi
Published by Universitas Gadjah Mada
ISSN : 23014156     EISSN : 24605719     DOI : 10.22146/jnteti
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Topics cover the fields of (but not limited to): 1. Information Technology: Software Engineering, Knowledge and Data Mining, Multimedia Technologies, Mobile Computing, Parallel/Distributed Computing, Artificial Intelligence, Computer Graphics, Virtual Reality 2. Power Systems: Power Generation, Power Distribution, Power Conversion, Protection Systems, Electrical Material 3. Signals, Systems, and Electronics: Digital Signal Processing Algorithm, Robotic Systems and Image Processing, Biomedical Instrumentation, Microelectronics, Instrumentation and Control 4. Communication Systems: Management and Protocol Network, Telecommunication Systems, Wireless Communications, Optoelectronics, Fuzzy Sensor and Network
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 13 Documents
 1   2 
Search results for , issue "Vol 3 No 1: Februari 2014" : 13 Documents clear
Implikasi Game Edukasi 2D dan 3D : Mengenal Huruf dan Angka Terhadap Anak Dania Eridani; Paulus Insap Santosa; Ridi Ferdiana
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 1: Februari 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

This paper contains the results of the developmentand implementation of educational games in 3D , as opposed to methods of learning using educational games 2D and conventional learning methods . The purpose of the application to determine the effectiveness of the use of each learning method and whether or not the development of educational game in 3D as a learning tool . Evaluation of the 91 respondents kindergarten class B of 4 kindergarten in Semarang , 28 respondents in the conventional learning , learning by 32 respondents on educational games 2D , and 31 respondents in the study with 3D educational game . Analysis of the results of the evaluation using the Kruskal - Wallis test . Evaluation material consists of 20 instructional materials related to letters and numbers and associated material response 5 user 3D educational game that will be used . The results of the Kruskal - Wallis analysis showed a difference in learning outcomes and figures hurud using educational games in 3D , 2D and educational game conventional learning . Response 31 users when playing 3D games are 87 % of respondents felt interested in playing games , 81 % of respondents are consistent in playing the game , 100 % of respondents felt the background music and animations used in the game interesting , and 97 % of respondents smoothly when using it with a computer game .
Keselarasan Strategik – Pembelajaran Dari Studi-Pilot Wahyuni Reksoatmodjo
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 1: Februari 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Information technology is an important investment. Rapid development with varying specifications, huge prices but obsolete technologies, forces managers to be prudent in acquiring. This study aims to explore the characteristics of IT infrastruktur that contribute to the achievement of strategic alignment, a concept that enabling the enhancement of company's sustainable competitive advantage. Through a combination of quantitative/quali-tative research methods and pilot-study approach, the study explores the characteristics of the case company's IT infrastructure. Results of the study is an indepth of the characteristics of a flexible IT infrastructure to a company engaged in the business of communication.
Model Implementasi Centralized Authentication Service pada Sistem Software As A Service Muhammad Arfan
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 1: Februari 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

The usage of cloud computing as continuously growing computing solutions becomes the base of organization and the company. On the other hand, the increase in the number of applications in the cloud system services raise another problems. Security issues become a threat in the authentication of the Cloud Computing services. Differences authentication model on every application that has been entered into cloud system become another threat for providers and users of cloud services. To solve these problems, a centralized authentication system is required in cloud applications using single sign-on protocol.
Pencarian Pola Akses Pengunjung Toko Online Menggunakan Weighted Graph Web Usage Mining Helmy
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 1: Februari 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

The growth of online stores is proportional to theincrease in web usage data that is generated. Web Usage Mining can generate useful information based on web usage data. This information is required by the owner of the online shop to find information on frequently accessed pages and demanded items by visitors. This study is using Weighted Graph Web Usage Mining method for generating online shoppers access patterns. This methode include collecting web usage data when client using AJAX interface in real time, ¬ pre-processing to generate the database traversal and discovering pattern with Weighted Frequent Patterns Mining methods. The results show that Weighted Graph Web Usage Mining can generate informations about frequently accessed pages and demanded items by visitors in a given period based on visitors access pattern.
Pengujian Distribusi Beban Web dengan Algoritma Least Connection dan Weighted Least Connection Nongki Angsar
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 1: Februari 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

The increased of web traffic and the development of the network bandwidth is relatively faster than the development of microprocessor technology led to today's server platforms one point no longer adequate to meet the needs of system scalability web server. Multiple server platforms is the answer. One solution that has been known is a cluster-based web server system. This research would be testing a web workload distribution on a cluster-based web server system by means of generating HTTP workloads statically (with fast HTTP requests per second is fixed) and dynamic (with HTTP requests per second rapidly changing or ride on a regular basis ) from the client to a web server system pool. Followed by analysis of traffic data packets. And then compare the results of the testing of the web workload distribution among the Least Connection algorithm (without weights) and Weighted Least Connection algorithm (with weights).
Analisis Penerimaan Teknologi IPTV (Studi Kasus Groovia Tv di Kota Semarang) Noora Qotrun Nada
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 1: Februari 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (174.988 KB)

Abstract

The growth of IPTV technology in Indonesia, particularly in Semarang, doesn’t expand significantly comparing to overseas developements. Therefore, a research about the causes of underdeveloping IPTV technology acceptance is needed. One of PT Telkom’s products that utilized IPTV technology is Groovia TV. In providing Groovia TV service, PT Telkom has improved the networking performance, using this attempt to increase the revenues through triple play, phone/voices, datas and multimedias, however Groovia TV’s customers hasn’t been significant. This thesis analyzes the acceptance of IPTV technology with study case of groovia TV in Semarang. Model that has been used is based on TAM (Technology Acceptance Model) model and analyzed with SEM (Structural Equaion Modelling). This research took a random sampling of the population in Semarang with the speedy customer that had been using Groovia TV, either they still actively use it or has stopped.The research was conducted on February 2013. The results showed that Attitude Toward IPTV (ATT) and perceived of usefulnee (PU) would influence the Intention to Use (IU). Perceived of ease of use (PEU), perceived of enjoyment, and perceived of quality (PQ) will affect ATT as well. Normative pressure (NP) and Price Level (PL) has no direct influence on IU. Customer wishes to use TV Groovia is influenced by perceptions of service quality, perceived preferences, ease of use and benefits obtained, so for PT Telkom as the provider, those four things should be the main concern, especially Groovia TV is running with substantial bandwidth, therefore , the network accesst must be reliable.
Sudut Elevasi dan MUF pada Sistem Komunikasi Radio HF Lintasan Merauke - Surabaya Indah Kurniawati
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 1: Februari 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

HF radio which frequency allocations 3-30 MHz is suitable for communication in long distance, wide, separated by oceans and remote area. This system is to be an alternative for a high cost satellite technology, especially Indonesian area where there is no communication system there. In this paper, we discussed long distance HF communication system parameters, namely elevation angle and Maximum Usable Frequency for Merauke-Surabaya link. For computation, the radius of the earth used was radius of the earth in equator. Ionosphere variation conditions were obtained from ionosonde measurement operated in Kupang by LAPAN in March 2013. The results of this computation are : if HF radio waves are reflected once, the elevation angle will be too small so that it was difficult to apply for antenna. In order to make it simple to apply, radio waves has to be reflected twice in F layer. The other result are that MUF values depend on foF2 variations for each days where MUF is higher in a day than in a night.
Unjuk Kerja Strategi Global Layering Pada Jaringan GSM 900/1800 Nur Aziz Salim
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 1: Februari 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Recently, the development of telecommunication is getting faster following the high amount of its users and the highgrade quality of telecommunication networks need. Due to this reason, it is highly needed an optimizing activity to keep and improve the performance telecommunication network. The optimizing is done for maintaining and improving the performance of 2G GSM network. In this paper, the performances that will be analyzed are accessibility, retain ability, and integrity which will be represented by 5 KPIs (Key Performance Indicator).In this paper, author is aiming to discover the extend of the influence of global layering strategy implementation on 2G GSM 900 and GSM 1800 to the GSM network performance. The optimizing strategy being used in this research is global layering strategy; the implementation is by engage all cells in the same range and by prioritizing the traffic network of GSM 1800 to GSM 900 network either in the idle or dedicated condition. The result of strategy global layering show that all KPI improved except KPI TBF establishment success rate. This degradation caused by unbalance traffic between GSM 900 and GSM 1800.
Deteksi dan Pengukuran Spektra dalam Analisis Spektrografi Emisi dengan Pengolahan Citra Itmy Hidayat Kurniawan; Sahat Simbolon
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 1: Februari 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Qualitative and quantitative analysis on emission spectrograph detector are important to identify impurities elements in nuclear fuel. the process is still using a densitometer based manual method which has limitations due mechanical factors on instrument and expert chemists requirements. To reduce measurement error on manual methods, we develops analytical methods by processing scanned digital image of a spectrogram. The aim of this paper is to identify impurities on nuclear fuel elements (boron and cadmium in uranium oxide). Image processing is done by cropping digital image to separate each the spectra result of excitation processes and identify impurities, which enlarged later to refine the distribution of signal intensity of pixels. Signal processing methods for quantitative analysis conducted with pulse peaks analysis. Results obtained then substituted into a standard curve obtained from regression analysis of sample reference to calculate concentration of the element. End results indicated that signal processing can be used to identify and analyze the elements in the detector, element concentrations value of image processing is not different from the results of analysis of densitometer on statistic significancy level of 5%.
Implementasi Wavelet Haar dan Jaringan Tiruan Pada Pengenalan Pola Selaput Pelangi Mata Yuwono Indro Hatmojo
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 3 No 1: Februari 2014
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

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Abstract

Eye iris pattern recognition is widely used for the purpose of identifying a person's identity. This is can be done because the iris is unique and has a high consistency and stability for years without changing. In this research we will perform iris image pattern recognition by the Haar level 3 wavelet transforms and the LVQ neural networks. This research is expected to know the iris images pattern recognition systems which are more effective; efficient also requires a short time in matching process on this method. The object in this research is the PNG color images with size of 128 x 128 pixels. Parameters used in this research are to varying value of learning rate 0.01 and 0.05, the number of neurons 30 and 40; and epoch value 100 and 200. The values of these parameters will be varied so that the obtained parameter values are the most effective, efficient and a relatively requires short time in the process of the iris image pattern recognition.Based on testing performed, the Haar level 3 wavelet transform combined with LVQ neural network in the process of finding the iris images. The method also gives fast matching process and high accuracy level. Changes in the values of learning rate, number of neurons and epoch value affect network performance. The iris matching process has the fastest time of 2.15 seconds and the higher of accuracy of 87% when the value of learning rate 0.01; the number of neurons 40 as well as the epoch value 100.

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