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Optical-Loss Measurement of a Silicon-Slab Waveguide
Wildan Panji Tresna,Alexander William Setiawan Putra,Takeo Maruyama 한국광학회 2020 Current Optics and Photonics Vol.4 No.6
A mirror-in-slab waveguide is fabricated on a slab waveguide by using the refractive-index contrast between two materials, with the reflection performance depending on the slab waveguide’s design. In this research, a slab waveguide design consisting of silicon (Si) as the core and SiO 2 as the substrate was designed and developed to determine the coupling, waveguide, and mirror losses. Based on experimental results, coupling loss is dominant and is affected by the design of the slab waveguide. Furthermore, the mirror loss is affected by the design of the mirror, such as the curvature radius and the size of the mirror. TE and TM polarizations of light are used in the measurements. The experimental results show that mirror losses due to reflection by mirrors are 0.011 dB/mirror and 0.007 dB/mirror for TE and TM polarizations respectively. A simulation was performed to confirm whether the size of mirror is sufficient to reflect the input light, and to check the quality of the surfaces of fabricated mirrors.
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Process Analysis of Digital Right Management for Web-Based Multicast Contents
Toyib, Wildan,Park, Man-Gon Korea Multimedia Society 2011 멀티미디어학회논문지 Vol.14 No.12
In recent years, advanced in digital technologies have created significant changes in the way we reproduce, distribute and market Intellectual Property (IP). DRM for multicast contents is complicated risk, the further technology development and human demand, this approaching is still being researched by the scientist and all by the company which is conducting in piracy management reduced, and every country has national policy to make this consortium to limit piracy properties, based on this paper research development, just only two approaching to reduce piracy in DRM they are Industrial Property (IP) and Copyright. In this paper, we are not only figuring and analyzing about the processes to reduce and limit the piracy and unprotected copy law but also describing about the encryption process, watermarking and digital signature process algorithms. The basic concepts of this encryption process for web-based multicast content in DRM are implemented in Java. We conduct this method is a computerized through web based application system approaching to reduce unprotected copy and piracy. Which is used in DRM for multicast content in every section, by providing a fundamental in information technology development, we believe this research is reliable to prove that is unprotected copy, and piracy can be reduced by protecting with this paradigm.
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스마트 폰의 소프트웨어 보안성 분석을 위한 FTA와 FMEA의 통합적 방법
김명희 ( Myong Hee Kim ),( Wildan Toyib ),박만곤 ( Man Gon Park ) 한국정보처리학회 2013 정보처리학회논문지. 컴퓨터 및 통신시스템 Vol.2 No.12
최근 우리 생활에 스마트 기술의 빠른 전파 때문에 정보 과학 및 기술 분야에 있어서는 스마트 폰의 소프트웨어 보안성이 중요한 이슈가 되고 있다. 보안성 중요 시스템인 스마트 폰은 은행 서비스, 유비쿼터스 홈 관리, 항공 고객의 검색 등의 서비스 시스템에 이용되기 때문에 비용의 리스크, 손실의 리스크, 이용가능 리스크, 그리고 사용상의 리스크에 관련 되어 있다. 스마트 폰의 보안성 이슈는 이들의 관찰된 고장들을 사용하여 소프트웨어 장애 분석을 하는 것이 핵심 접근 방법이다. 본 연구에서는 손으로 조작하는 디바이스들의 수렴하는 보안성과 신뢰성 분석 기법을 얻기 위해서 결함 트리 분석 (FTA)와 고장 모드 효과 분석(FMEA)을 사용하여 스마트 폰의 소프트웨어 보안성 분석을 위한 하나의 유효한 통합적 프레임 워크를 제안한다. 그리고 만약 하나의 고장 모드 효과 분석이 더욱 더 간단해지면 스마트 디바이스들의 보안성 개선뿐만아니라 고장효과 의 감소를 위해서 제안된 통합적인 프레임 워크는 핵심 해법이 됨을 논의한다. Recently software security of the smart phone is an important issue in the field of information science and technology due to fast propagation of smart technology in our life. The smart phone as the security critical systems which are utilizing in terminal systems of the banking, ubiquitous home management, airline passengers screening, and so on are related to the risk of costs, risk of loss, risk ofavailability, and risk by usage. For the security issues, software hazard analysis of smart phone is the key approaching method by use of observed failures. In this paper, we propose an efficient integrative framework for software security analysis of the smart phone using Fault Tree Analysis (FTA) and Failure Mode Effect Analysis (FMEA) to gain a convergence security and reliability analysis technique on hand handle devices. And we discuss about that if a failure mode effect analysis performs simpler, not only for improving security but also reducing failure effects on this smart device, the proposed integrative framework is a key solution.
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Halal Tourism in Indonesia: An Indonesian Council of Ulama National Sharia Board Fatwa Perspective
ADINUGRAHA, Hendri Hermawan,NASUTION, Ismail Fahmi Arrauf,FAISAL, Faisal,DAULAY, Maraimbang,HARAHAP, Ikhwanuddin,WILDAN, T.,TAKHIM, Muhamad,RIYADI, Agus,PURWANTO, Agus Korea Distribution Science Association 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.3
The phenomenon of sharia-based tourism development has now become a necessity for the people of Indonesia and even for the global community. Therefore, we need rules and regulations that govern it, both rules relating to normative sharia and regulations governing implementation in a positive legal manner. The purpose of this research is to describe halal tourism in Indonesia in terms of the Indonesian Council of Ulama National Sharia Board (DSN-MUI) fatwa and the government regulation. This research is a conceptual review that uses literature research methods sourced from authoritative journals, books and documents and is still relevant to the study of halal tourism. The results showed that the large number of public requests for halal tourism visits in Indonesia resulted in the need for normative and positive regulation that regulates. Finally, the MUI issued and stipulated fatwa Number: 108/DSN-MUI/IX/2016 regarding the implementation of tourism based on sharia principles and West Nusa Tenggara Regional Regulation Number. 2 of 2016 concerning Halal Tourism. Overall, the halal tourism indicator according to the DSN-MUI fatwa Number: 108/DSN-MUI/X/2016 and West Nusa Tenggara Regional Regulation Number. 2 of 2016 the content is almost the same and interrelated with one another. The only difference is in the use of the term "sharia tourism" in the DSN- MUI fatwa while the content in the regional regulation (PERDA) uses the term "halal tourism".
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The Bullet Launcher with A Pneumatic System to Detect Objects by Unique Markers
Jasmine Aulia,Zahrah Radila,Zaenal Afif Azhary,Aulia M. T. Nasution,Detak Yan Pratama,Katherin Indriawati,Iyon Titok Sugiarto,Wildan Panji Tresna 한국정보통신학회 2023 Journal of information and communication convergen Vol.21 No.3
A bullet launcher can be developed as a smart instrument, especially for use in the military section, that can track, identify,detect, mark, lock, and shoot a target by implementing an image-processing system. In this research, the application of objectrecognition system, laser encoding as a unique marker, 2-dimensional movement, and pneumatic as a shooter has been studiedintensively. The results showed that object recognition system could detect various colors, patterns, sizes, and laser blinking.Measuring the average error value of the object distance by using the camera is ±4, ±5, and ±6% for circle, square and triangleform respectively. Meanwhile, the average accuracy of shots on objects is 95.24% and 85.71% in indoor and outdoor conditionsrespectively. Here, the average prototype response time is 1.11 s. Moreover, the highest accuracy rate of shooting results at 50cm was obtained 98.32%.
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