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1 |
Mobile Control Plane Design for Quantum Satellite Backbones
طراحی هواپیمای کنترل سیار برای ستون فقرات ماهواره ای کوانتومی-2022 The interconnection of quantum computers
through the so-called Quantum Internet is a very
promising approach.
The most critical issues concern the physical
layer, considering that the creation of entanglement over long distances is still problematic.
Given the difficulty that usually arises from fiber
optics due to exponential losses, the introduction of intermediate quantum repeaters (QRs)
allows mitigating the problem. A quantum satellite network based on QRs on satellites deployed
over low Earth orbit could make it possible to
overcome the constraints of terrestrial optical
networks. Hence, the recent technological developments in terms of quantum satellite communications motivated our investigation on an ad
hoc quantum satellite backbone design based on
the software defined networking paradigm with a
control plane directly integrated into the constellation itself. Our aim is to outline some guidelines
by comparing several options. Specifically, the
focus is to analyze different architectural solutions
making some considerations on their feasibility,
possible benefits, and costs. Finally, we performed
some simulations on the architectures we considered the most promising, concluding that the integration of the control plane in the constellation
itself is the most appropriate solution.
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مقاله انگلیسی |
2 |
Application of integrated binocular stereo vision measurement and wireless sensor system in athlete displacement test
استفاده از سیستم اندازه گیری دید استریو بصری یکپارچه و سیستم حسگر بی سیم در آزمون جابجایی ورزشکاران-2021 Based on binocular stereo vision measurement and wireless sensing theory, this paper
studies the measurement and analysis methods of athletes’ movement displacement parameters.
The main purpose is to explore the relationship between sports biomechanical parameters. The
analysis reveals the laws of athletes ’movements, and provides theoretical guidance on athletes’ attitude recognition and physical training. Based on the principle of binocular stereo vision, a noncontact displacement measurement system was developed. The displacement measurement system
uses template matching to extract the image coordinates of the measurement points and restore
the spatial coordinates of the measurement points through European 3D reconstruction, which
improves the practicality of the measurement system. In the cantilever beam vibration test, the traditional displacement sensor and binocular image displacement measurement system are used to
simultaneously measure the cantilever beam displacement. The experimental results show that
the integrated displacement measurement system in this paper has higher accuracy and better stability.
KEYWORDS: Binocular stereo vision | Non-contact measurement | Mobile control | Node displacement | Wireless sensor system |
مقاله انگلیسی |