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All Journal Jurnal Ilmu Komputer dan Informasi Jurnal Ilmu Komputer Buletin Udayana Mengabdi Jurnal SPEKTRUM Majalah Ilmiah Teknologi Elektro Jupiter TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Jurnal Teknik Elektro PROSIDING CSGTEIS 2013 Proceedings Konferensi Nasional Sistem dan Informatika (KNS&I) JOIV : International Journal on Informatics Visualization JUTIK : Jurnal Teknologi Informasi dan Komputer Matrix : Jurnal Manajemen Teknologi dan Informatika Cetta: Jurnal Ilmu Pendidikan Journal of Computer Science and Informatics Engineering (J-Cosine) Journal of Electrical, Electronics and Informatics International Journal of Engineering and Emerging Technology Indonesian Journal of Electrical Engineering and Computer Science Journal of Energy and Electrical Engineering (JEEE) Jurnal Ilmiah Vastuwidya SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) MATRIX : JURNAL MANAJEMEN TEKNOLOGI DAN INFORMATIKA Majalah Ilmiah Teknologi Elektro Ulil Albab
Ni Made Ary Esta Dewi Wirastuti
Jurusan Teknik Elektro, Fakultas Teknik, Universitas Udayana
Religion Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Desain Perangkat Lunak SMS dengan Translasi Text Aksara Bali Ida Bagus Kade Dwi Suta Negara; NMAE Dewi Wirastuti; Nyoman Pramaita
JUPITER (Jurnal Penelitian Ilmu dan Teknologi Komputer) Vol 10 No 2 (2018): Jupiter Oktober 2018
Publisher : Teknik Komputer Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.3406880

Abstract

Sebagian besar masyarakat Bali mampu berkomunikasi menggunakan bahasa Bali, akan tetapi hanya sedikit orang Bali yang mampu dan mengerti tata penulisan Aksara Bali. Hal ini terjadi karena tata cara penulisan Aksara Bali aturannya cukup kompleks. Diperlukan cara-cara yang inovatif untuk menarik minat masyarakat dalam mempelajari Aksara Bali, salah satunya dengan memanfaatkan teknologi informasi. Penelitian ini membahas desain perangkat lunak SMS dengan translasi text Aksara Bali. Dalam pembuatan desain perangkat lunak ini terdiri dari beberapa tahapan, yaitu: pengumpulan data dan literatur, identifikasi permasalahan, desain dan perancangan sistem, serta implementasi dan pengujian. Hasil desain translasi text Aksara Bali pada perangkat lunak SMS berupa: perancangan proses translasi text Aksara Bali, perancangan proses pegiriman SMS, dan perancangan proses penerimaan SMS. Sedangkan desain antar muka translasi text Aksara Bali pada perangkat lunak SMS berupa desain antarmuka pengiriman dan penerimaan SMS.
TOEFL (TEST OF ENGLISH AS A FOREIGN LANGUAGE) TEST PLUGIN UNTUK MOODLE Leovin Leovin; Ni Made Ary Esta Dewi Wirastuti; Komang Oka Saputra
Jurnal SPEKTRUM Vol 9 No 1 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (520.643 KB) | DOI: 10.24843/SPEKTRUM.2022.v09.i01.p1

Abstract

TOEFL (Test of English as a Foreign Language) is a test used to measure a person'sEnglish proficiency. Generally, the TOEFL test is used as one of the requirements to graduateat domestic universities, to enter universities abroad, or to work in a country. In this research,the LMS (Learning Management System) was used for implement the TOEFL. LMS is anapplication system that was developed specifically to manage online class (e-learning), andshare subject matter. Moodle (Modular Object-Oriented Dynamic Learning Environment) is anLMS that is usually used in online learning activities. The results of this research that theTOEFL was successfully created as a Moodle plugin and according to the SUS (SystemUsability Scale) test that has been calculated, it got a score of 89, indicating this application hasa high level of feasibility.
COMPETITION-BASED GROUP QUIZ UNTUK LEARNING MANAGEMENT SYSTEM MOODLE “Prama Ade Prayitno; Komang Oka Saputra; Ni Made Ary Esta Dewi Wirastuti
Jurnal SPEKTRUM Vol 9 No 1 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (674.363 KB) | DOI: 10.24843/SPEKTRUM.2022.v09.i01.p2

Abstract

Quizzes are used by teachers in the learning evaluation process which aims todetermine the extent of mastery of the material provided by the teacher to students. The quizconsists of several items about which are carried out directly by students. In this study, thisresearch was carried out online by students in groups using a Learning Management System(LMS), namely Moodle with the help of a plugin. The result of the work is that the availability ofthe current score only produces 1 and then these values are to be developed for each studentin the same group. This resulted in the evaluation process of learning in the quiz to be less fairBased on this problem, a plugin that can process is created that can process from workbased on personal views generated by students. The personal score is then used to calculatethe score by taking the average of all students in the group. Furthermore, the final valueobtained from the calculation of the ratio of personal values to group values. This final score willbe used to evaluate learning in the use of quizzes using Moodle. The results of the study aftertesting the system usability scale (SUS) showed that plugins that had good feasibility andblackbox testing methods declared the plugin well.
Survey on LMS Moodle for Adaptive Online Learning Design Linawati Linawati; NMAE Dewi Wirastuti; Gede Sukadarmika
Journal of Electrical, Electronics and Informatics Vol 1 No 1 (2017): JEEI (February 2017)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2017.v01.i01.p03

Abstract

The paper proposed usage of LMS Moodle for adaptive learning implementation because of its simplicity and its capabilities. LMS Moodle has wide range of features to satisfy many learning styles. Adaptive learning design in this paper recommended blended learning method which involves face-to-face activity and LMS Moodle utilization. In this initial design stage, only five LMS Moodle activities were chosen. The selected activities have met all learning styles requirements.
Information System For Web Based-Report Household Violence In Denpasar Yoga Divayana; Linawati Linawati; N.M.A.E.D. Wirastuti; Luh Ika Dhivtyasari Suryani
Journal of Electrical, Electronics and Informatics Vol 2 No 1 (2018): JEEI (February 2018)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2018.v02.i01.p04

Abstract

Domestic violence is the most common case in the community. Women and children are victims of domestic violence. In Denpasar, Indonesia, currently, data collection system of victims of domestic violence (KDRT) is conducted by the Women's Empowerment and Child Protection Agency. It is still has some limitations because it is operating manually. Through this web-based data collection system of domestic violence, a complaint report on domestic violence can be done digitally so it does not need to report manually to the authorities. In this system, the victims will be given freedom to show or hide their identity. This system receives input filled form of violent reports; next, the complaints report can be known by others (not admin) anonymously. After the complaint report get into in the system, it will be done the next process which is verification. The results of the verification process will determine the validity of complaint reports. After passing the verification process, report data will be recorded in the system and will be done the formulation of follow-up to the action of the case by the legislation authorities.
Performance Analysis of MIMO STBC System in Flat Fading and Frequency Selective Fading Channels Pebri Yeni Samosir; Nyoman Pramaita; I Gst A. Komang Diafari Djuni Hartawan; Ni Made Ary Esta Dewi Wirastuti
Journal of Electrical, Electronics and Informatics Vol 3 No 1 (2019): JEEI (February 2019)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2019.v03.i01.p04

Abstract

Multiple Input Multiple Output (MIMO) technology is a technique that can be used to overcome multipath fading. The multipath fading is caused by signals coming from several paths that experience different attenuations, delays and phases. In a multipath condition, an impulse that sent by the transmitter, will be received by the recipient not as an impulse but as a pulse with a spread width that called delay spread. Delay spread can cause intersymbol interference (ISI) and bit translation errors from the information received. To determine the effect of delay spread on the MIMO system, then MIMO system performance research was performed on flat fading and frequency selective fading channels using the Space Time Block Code (STBC) coding technique. This research was conducted using MatLab 2018a software. The simulation results show that the MIMO STBC system performance on flat fading channels is better than the MIMO STBC system performance on the frequency selective fading channel. This result is analyzed based on the value of BER vs. Eb/No and eye diagram.
Performance Assessment of OFDM System using Reed-Solomon Codes over Fading Channels N.M.A.E.D. Wirastuti; I.M.A. Suyadnya; D.C. Khrisne
Journal of Electrical, Electronics and Informatics Vol 2 No 2 (2018): JEEI (August 2018)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2018.v02.i02.p06

Abstract

This paper study the performance of Orthogonal Frequency Division Multiplexing (OFDM) system over AWGN and Rayleigh fading channels. OFDM performs multi-carrier transmission where all the subcarriers are orthogonal to each other. The channel coding was applied to improve the OFDM system performance. Reed Solomon (RS) codes was chosen that an efficient channel coding algorithm and has intense error correction ability. Adding the benefits of multicarrier OFDM system and Reed Solomon codes to achieve the expected system performance. The coded OFDM system was modeled over and simulated using Matlab. The bit error rate (BER) and energy bit (Eb) per noise power density (No) was performed during system simulations. QPSK modulation was used to modulate the random bits. From the simulation results It can be seen that BER vs. EB/No parameter for Coded OFDM system lower than uncoded OFDM. This was because RS codes succeed to correcting the error generated along data transmission.
Evaluation of Clipping and Filtering-Based PAPR Reduction in OFDM System N. M. A. E. D. Wirastuti; N. Pramaita; I M. A. Suyadnya; D. C. Khrisne
Journal of Electrical, Electronics and Informatics Vol 1 No 2 (2017): JEEI (September 2017)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2017.v01.i02.p05

Abstract

This paper investigates clipping and filtering techniques in reducing peak average power ratio (PAPR) of Orthogonal Frequency Division Multiplexing (OFDM) system. The concept of OFDM is to split a high speed serial data into parallel data at a lower speed, then the parallel data carried by mutually orthogonal subcarriers. The high of PAPR is one of disadvantages of OFDM system. The high PAPR can damages the form of OFDM and reduces its performance. The purpose of this study is to reduce PAPR using simulation. OFDM was simulated with and without clipping filtering then compared. The methods used to reduce PAPR was clipping and filtering technique. Clipping and filtering technique operates by clipping the output of inverse Fourier transform that exceed the threshold. Graphics PAPR vs. CCDF was used to evaluate the performance of OFDM systems. PAPR for OFDM system using Fourier transform when CCDF = 10-3 is 11,2 dB, with classical clipping PAPR was 4,1 dB and PAPR 4,6 dB when with deep clipping.
Carrier Frequency Offset Effects on OFDM System over Rayleigh Fading Channel N. M. A. E. Dewi Wirastuti; I.G.A.K. Diafari Djuni Hartawan; I Made Arsa Suyadnya; Duman Care Khrisne
Journal of Electrical, Electronics and Informatics Vol 3 No 2 (2019): JEEI (August 2019)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2019.v03.i02.p03

Abstract

Orthogonal Frequency Division Multiplexing (OFDM) system showed the use of Discrete Fourier Transform (DFT) and Inverse Discrete Fourier Transform (IDFT) to perform the baseband modulation and demodulation. So that, it can increase and improve the efficiency of the modulation and demodulation. Currently, the OFDM is being utilized in the field of broadband wireless communication, which transmit signals orthogonally, that increases speed of information transmission. It also has high proficiency with high bandwidth and provide large data rates and robust against the multipath delay spread. On the other hand, there are some issues faced OFDM system which are high Peak Average Power Ratio (PAPR), and sensitive to Phase Noise (PN) and Carrier Frequency Offset (CFO). This paper presents Orthogonal Frequency Division Multiplexing (OFDM) performance evaluation in the presence of CFO with two different environment scenarios were used: an AWGN channel and a Rayleigh fading channel. The simulation was performed to evaluate the effects of CFO based on Bit Error Rate (BER) vs. Energy Bit per Noise Ratio (Eb/No). The results showed that for BER degradation caused by CFO effects have presented in our simulation for both AWGN and Rayleigh fading channel.
Market Basket Analysis using FP-Growth Association Rule on Textile Industry Kadek Darmaastawan; Komang Oka Saputra; Ni Made Ary Esta Dewi Wirastuti
International Journal of Engineering and Emerging Technology Vol 5 No 2 (2020): July - December
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJEET.2020.v05.i02.p05

Abstract

Online shop is one of the technological developments that makes it easy for sellers and buyers to make transactions. A batch of data is produced from the process at an online shop and will be wasted if not utilized properly. An example is a batch of transaction data that may store hidden information that might benefit the online shop, such as information on customer transaction patterns or information on the relationship between two or more items that are most often purchased by customers. Based on that problem, this research conducts market basket analysis using one of the data mining methods, namely Association Rule with FP-Growth Algorithm, to find hidden information in a transaction data produced by an online shop. The data used in this research is an online shop transaction data that contains more than one item from November 2019 to December 2019 owned by one of the textile industries located in Ubud, Bali. The calculation of the FP-Growth Association Rule also tested using the Weka application. The results of market basket analysis are several associative rules related to the combination of best-selling items, such as “customers who buy Tigers Base Grey will have a 100% chance of buying Tribal Green too”. The result can be utilized by the textile industry owner to manage the layout of the online shop, add item recommendation features to the online shop based on items purchased by the customer, and also keep stock of the best-selling items to prevent running out of stock.
Co-Authors A. A. SG. Mas Karunia Maharani A. T. A Prawira Kusuma adi surya antara Aditya Dwipayana Agus Sukerta Anak Agung Kurnia Aditama Anisa Widayanti Arya Mertasana , Putu Arzalia Khairunnisa Yasmine Asa Arya Sudarman Asana, I Made Dwi Putra Ayuni Harianti Azmir, Azra Ariel Azra Ariel Azmir Azra Ariel Azmir CCW Emehel D. C. Khrisne D. C. Khrisne D.C. Khrisne Dewa Made Wiharta Dhyaksa, Ida Bagus Dharma Dipta, I Made Yogaswara Duman Care Khrisne Enrico Andriyanto F. L. H. Utomo Fajar Tri Prabowo Gde Made Budi Antara Gede Humaswara Prathama Gede Ogiana Gede Sastra Utara Gede Sukadarmika Gerson Feoh Hartawan, I Gusti Agung Komang Dlafari Djuni Hilmy Jawas I Dewa Made Bayu Atmaja Darmawan I Dw Gd Paramartha Warsika I G A Anom Semara Putra I G. A. K. Diafari Djuni Hartawan I Gede Agus Aditya Putra I Gede Agus Aditya Putra Aditya I Gede Eka Sanjaya I Gusti Agung Anom Semara Putra I Gusti Agung Gede Arya Kadyanan I Gusti Agung Komang Diafari Djuni Hartawan I Gusti Ngurah Priambadi I ketut Gede Darma Putra I Ketut Widi Arjana Yasa I Komang Adi Bayu Adnyana I Komang Surya Adinandika I M. A. Suyadnya I M. A. Suyadnya I Made Arsa Suyadnya I Made Oka Widyantara I Made Rai Putera Yasa I Made Ryan Handika I Made Yogaswara Dipta I N Satya Kumara I Nyoman Gunantara I Nyoman Suprapta Winaya I Putu Eka Giri Setya Kresnadi Putra I Putu Suryadharma I Wayan Diki Andriasmika I Wayan Kayun Wardana I.M.A. Suyadnya IBGD. Dhyaksa ICA Lukpratama Ida Ayu Laksmi Dewi Ida Bagus Darma Putra Ida Bagus Kade Dwi Suta Negara Ida Bagus Putu Adnyana IGB Alit Putra Wijaya IGst Ngr PT. Adi S.P. IPH Darmawan Is-Haka Mkwawa K.O Saputra Kadek Agus Mahabojana Dwi Prayoga Kadek Darmaastawan Khalid G. Samarah KO Saputra Komang Isabella Anasthasia Komang Oka Saputra Komang Tri Wahyuni . Komang Yuda Krisnawan Leovin Leovin Linawati Linawati . Linawati Linawati Lino Verlin Lino Verlin Luh Ika Dhivtyasari Suryani M Zatiar Erwan Kalam M. Ardi Fermanta Merliana, Ni Putu Eka MHD. Reza M.I. Pulungan Mkwawa, Is-haka Muhammad Iman Nur Hakim N.G. Widana N.K.W. Trisnawati Ngurah Agus Sanjaya ER Ngurah Indra ER Ni Made Anita Belinda Ni Made Erma Pratiwi Astiti Ni Putu Eka Apsari Yuniari Ni Putu Lintang Anggitiadewi Nyoman Arun Wiratama Nyoman Pramaita Nyoman Pramaita Nyoman Putra Sastra Nyoman Sumerta Yasa Pande Gede Wipradnyana Pebri Yeni Samosir Putra Adi Wibowo Putra Yudhanata Pratama Putu Arya Mertasana R. A. Prayitno R.S. Hartati R.S.E.C. Nesa Rezamal Ilham Samarah, Khalid G. Saputra, Komang Oka Setyohadi, Djoko Budiyanto T. Angrriawan T.B. Purwanto Vencysisca Jeane Risamena Verlin, Lino W. Setiawan Wayan Gede Ariastina Widyadi Setiawan Widyanto, I Putu Willy Sucipto Yansen Andriyanto Yoga Divayana Z Zamani Noor Zaky Zamani Noor “Prama Ade Prayitno