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6 articles for “laser communication”
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Research ArticleOpen accessPhrase in the titleIntensity Position Modulation for Free-Space Laser Communication SystemF. Faghihi, A. JangjooIn this study a novel analog modulation-demodulation technique for free-space laser communication system called Intensity Position Modulation (IPM) is carried out. According to TEM00 mode of a laser beam and by linear fitting on the Gaussian function as an approximation, the variation of the linear part on the reverse biased pn photodiode produced various currents. Our simulated results show fine … …American Journal of Applied Sciences, Vol. 2, Issue 7 · 31 Jul 2005 · 6,601 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Use of 3D Scanning and 3D Color Printing Technologies for the Study and Documentation of Late Bronze Age Pottery from East-Central GreeceAntreas Kantaros, Maria I. Papageorgiou, Konstantinos Brachos et al.Antreas, K., & Piromalis, D. (2021). Employing a Low-Cost Desktop 3D Printer: Challenges, and How to Overcome Them by Tuning Key Process Parameters. International Journal of Mechanics and Applications, 10(1), 11–19. https://doi.org/10.5923/j.mechanics.20211001.02 Bachi, V., Fresa, A., Pierotti, C., & Prandoni, C. (2014). The Digitization Age: Mass Culture Is Quality Culture. Challenges for Cultural Heritage and Society (Vol. 8740, pp. 786–801). … …Journal of Mechatronics and Robotics, Vol. 8, Issue 1 · 24 May 2024 · 5,899 accessesView PDFCite
Research ArticleOpen accessIn the abstractLow Cost Shooting Simulator Based on a Single Board ComputerAryuanto Soetedjo, Ali Mahmudi, Mochammad Ibrahim Ashari, Yusuf Ismail NakhodaThis paper proposes the camera on weapon system used as the shooting simulator. The single board computer (Raspberry Pi module) is used as the main processor. The OpenCV is implemented on the embedded system to perform the image processing task. The aim of the proposed camera on weapon system is to detect the position of the markers on the target … …American Journal of Applied Sciences, Vol. 12, Issue 2 · 6 Apr 2015 · 7,721 accessesView PDFCite
Research ArticleOpen accessIn the abstractIntegration of Quantum Cryptography through Satellite Networks TransmissionSkander Aris, Abderraouf Messai, Malek Benslama et al.Problem statement: The security of the telecommunications satellite has become a crucial issue. The telecommunications can be set using the classical cryptography. But this so-called classical cryptography provides cryptographic security. This means that security is based on the difficulty of some mathematics problems. On the other hand, quantum cryptography provides security without conditions based on the law of quantum physics. … …American Journal of Applied Sciences, Vol. 8, Issue 1 · 31 Jan 2011 · 7,516 accessesView PDFCite
Research ArticleOpen accessIn the abstractHardware Design of Wireless Physical Token Ring System for Mobile and Cell CommunicationNidal F. Shilbayeh, Mahmoud Z. IskandaraniA wireless network system based on an infrared and Laser scanning Physical Token Ring architecture (W-PTRS) was designed, built and tested successfully. The network provides a different way of utilizing the concept of a token ring network but with a higher efficiency related to the speed of data transfer and the ability to parallel process client-server requests leading to a … …American Journal of Applied Sciences, Vol. 1, Issue 3 · 30 Sep 2004 · 6,789 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordQuantum Key Distribution Using Decoy State ProtocolSellami Ali, Shuhairi Saharudin, M. R.B. WahiddinProblem statement: Quantum key distribution provides unconditional security guaranteed by the fundamental laws of quantum physics. Unfortunately, for real-life experimental set-ups, which mainly based on faint laser pulses, the occasional production of multi-photons and channel loss make it possible for sophisticated eavesdroppers to launch various subtle eavesdropping attacks including the Photon Number Splitting (PNS) attack. The decoy state protocols recently … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 8,434 accessesView PDFCite