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Menampilkan 101–110 dari 15183 artikel
Evaluating the Results According to Simulations to Improve Power Control and Enhance Optical Communication Performance
In this paper, an experimental study has been conducted to detail power-control optimization in wavelength-division multiplexed (WDM) optical communication systems by use of Erbium-Doped Fiber Amplifiers (EDFAs). Our study shows that adaptive power control can greatly improve the performance of the system with a superb 35.7% improvement of the maximum power capacity relative to traditional constant power schemes. Throughout its study, the paper uses elaborate simulations to determine the bit-err...
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Review Model of Decision Support System (DSS) Methods in The Contextual of Multimedia Platform Selection
Journal of Multimedia Trend and Technology
Vol 5
, No 1
(2026)
Selecting the right management multimedia application is a crucial strategic decision for organizations to optimize operations and minimize implementation risks. However, the vast array of application alternatives with diverse evaluation criteria often creates complexity in the decision-making process. This study aims to map the trends in Decision Support System (DSS) methods and identify the key criteria influencing management application selection through a Systematic Literature Review (SLR) a...
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Students' errors in solving ethnomathematics word problems using the newman procedure: A perspective from learning styles
Some students had difficulty solving ethnomathematics word problems, indicating the need for further research to address this issue. This study aims to identify the types of errors made and the factors causing them. It applies Newman's Error Analysis, which includes reading errors, comprehension errors, transformation errors, process skill errors, and writing errors in the final answer. It incorporates the role of ethnomathematics as an innovation in contextual learning that introduces Indonesia...
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Integrating Digital Technologies for Sustainable Tourism: Quantitative Assessment of Tech-Enabled Organizational Practices
This study examines how digital transformation technologies drive sustainability performance in the tourism sector by integrating Internet of Things (IoT), artificial intelligence (AI), and big data analytics into organizational culture and leadership. A mixed dataset of 300 tourism enterprises in Asahan Regency, Indonesia, complemented by technical indicators such as energy consumption (kWh) and IoT penetration, was analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM). Th...
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Analisis Beban Pajak Paska Kenaikan PPN 12% pada Sektor Perdagangan
DHARMA EKONOMI
(2026)
This study aims to explain the context of the Value Added Tax (VAT) increase policy and its relevance to the trade sector, while also presenting a framework for analyzing the tax burden. The data sources used consist of publications from the last four years, namely from 2021 to 2024. The observed phenomena are then analyzed using various secondary data obtained from scientific journals, official government reports, and other reliable sources relevant to the research topic, in order to provide a...
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A Nonlinear mathematical model of student motivation dynamics with an empirical calibration framework and simulation analysis
Radhiatul Husna
; Angelina Zaskya Hulda
; Indah Rahmadani
; Miftahul Jannah
; Muhammad Zikra
; Najla Nafisa Arsy
; Nanda Putra Kartama
Student learning motivation is a dynamic construct that changes over time in response to support, academic pressure, and fatigue. However, many existing studies examine motivation only at a single point in time or rely on descriptive approaches, limiting their ability to quantify how motivation evolves. This study develops a nonlinear mathematical model of student motivation dynamics and links the model to an empirical calibration framework. The proposed model represents motivation as a bounded...
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Mangrove Loss and Blue Carbon decline in Indonesia’s Coastal Regions
Indonesia has the largest mangrove area in the world and supports high diversity, including 92 true mangrove species. They provide critical ecosystem services such as protection from floods, disaster risk reduction, fisheries support, carbon sequestration, and erosion prevention. Despite their importance, Indonesia has experienced significant mangrove loss/destruction over the past two centuries. This is majorly driven by factors such as pollution, illegal logging, rapid urbanization, agricultur...
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Digitalization Assistance Program and Human Resource Capacity Building to Enhance Transparency and Accountability of Koperasi Merah Putih in Karanganyar Gunung Village, Semarang
Widiastuti, C., T
; Sumastuti, Efriyani
; Indriasari, Ika
; Sari, Nur Latifah Dwi Mutiara
; Saputra, Risqi Dian
; Putri, Eva Yuliana
; Suroyya, Nafis
Cooperatives, as a pillar of the people’s economy, play a strategic role in improving community welfare. However, in practice, cooperatives still face various challenges, particularly in terms of digitalisation and the limited capacity of human resources (HR). This community service activity aims to enhance digital literacy and HR capacity through assistance in implementing a digital-based financial system at Koperasi Merah Putih in Karanganyar Gunung, Semarang City. The method employed is a par...
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Numerical Simulation of Mixed Convection Heat Transfer in a Vehicle Cabin with Variable Aspect Ratios Using CFD
The study of mixed convection heat transfer within rectangular cavities is a vital topic in engineering applications such as ventilation systems and heat exchangers. In this research, ANSYS Fluent software was used to simulate heat transfer within a rectangular cavity. The left wall was heated, and the right wall was cooled; the aspect ratio (AR) was varied (0.5-2), and an inlet was installed at the top and an outlet at the bottom, while the other walls were insulated. The Reynolds number (Re) v...
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Tantangan Desentralisasi Fiskal Era UU HKPD: Tinjauan Kepustakaan atas Implikasi Resistensi Wajib Pajak Kendaraan Bermotor terhadap Kapasitas Keuangan Kota Semarang
Zidni Muntaha Ridho
; Nayzilla Mega Rahmadhani
; Aisyah Nur Fadila
; Kharisma Ilmi Alawy Wahbiyah
; Dewi Arimbi Burhandani Piliang
; Beryl Shira Filiandri
; Risma Tria Syahrani
; Melda Fadiyah Hidayat
; Revienda Anita Fitrie
DHARMA EKONOMI
(2026)
The implementation of regional autonomy and fiscal decentralization aims to enhance local governments' financial independence. However, fiscal imbalances between the central and regional governments led to the enactment of Law Number 1 of 2022 (UU HKPD), designed to strengthen regional fiscal capacity. This law introduces a piggyback tax system through a surcharge on the Motor Vehicle Tax. This study analyzes the dynamics of the piggyback tax system in Semarang City, focusing on the implications...
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