نتایج جستجو برای: nanosatellite

تعداد نتایج: 230  

Journal: :IEEE Internet of Things Journal 2022

Internet of Space Things (IoST) is a challenging paradigm, which currently attracting great interest from the scientific and industrial communities. IoST based on integration space segment into global (IoT) infrastructure. In relevant literature, reference generally made to multiple constellations nanosatellite platforms, used enable IoT services scale, including also disadvantaged poorly infra...

2017
N. Gallah Kamel Besbes

In order to improve the routine of water quality monitoring and reduce the risk of accidental or deliberate contaminations, this paper presents the development of in-situ water quality monitoring and analysis system based on small satellite technology. A space mission design and analysis was performed in this work. The system consists of three segments; space segment including a constellation o...

2017
Dmytro Faizullin Koju Hiraki Mengu Cho

The sun vector is commonly used for defining a satellite attitude and many types of sensors exist for its determination. An attitude determination system is designed for each satellite project based on missions’ requirements. A fine pinhole sun sensor type was chosen and designed for HORYU-IV nanosatellite of Kyushu Institute of Technology. This sensor has a round-shaped hole and uses commercia...

1999
Christopher Kitts Robert Twiggs Freddy Pranajaya Julie Townsend Bryan Palmintier

Distributed space systems are often cited as a means of enabling vast performance increases ranging from enhanced mission capabilities to radical reductions in operations cost. To explore this concept, Stanford University and Santa Clara University have initiated development of a simple, low cost, two-satellite mission known as Emerald. Funded through the AFOSR/DARPA University Nanosatellite Pr...

2018
Adam Popowicz

The BRightest Target Explorer (BRITE) is the pioneering nanosatellite mission dedicated for photometric observations of the brightest stars in the sky. The BRITE charge coupled device (CCD) sensors are poorly shielded against extensive flux of energetic particles which constantly induce defects in the silicon lattice. In this paper we investigate the temporal evolution of the generation of the ...

2006
Hugo Nguyen Robert Thorslund Greger Thornell Johan Köhler Lars Stenmark

To utilize the high mass fraction of silicon material in a nanosatellite based on microelectro-mechanical systems, part of the structural function has been assigned to the flat silicon stacks embracing these systems. Three modules for destructive testing in bending, warping and shearing cases were built with 68x68x1 mm silicon stacks bonded in aluminium frames by in-situ casting of silicone rub...

2004
David B. Fogel

The University of Leicester is planning to develop a CubeSat mission for spaceweather monitoring to participate in the European nanosatellite network project QB50, whichaims to launch 50 CubeSats in 2014. This paper will describe the CubeSat mission and thescience payloads that will be developed. The CubeSat will carry an innovative miniaturisedultraviolet Wide-Field Auroral Ima...

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