Mehdi Nasiri Sarvi

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Nowadays, star trackers are widely used in satellites and spacecraft for three-axis attitude estimation. Star trackers are the most accurate instrument among the others. A Star tracker is made up of hardware and software (firmware). The software (firmware) is a set of algorithm that runs in a microprocessor. These algorithms include centroiding, star(More)
In this study properties of adsorption of vitamin B12 onto nanoclay were investigated. Results of kinetics of adsorption were used to investigate the structural formation and nature of interaction of vitamin B12 onto montmorillonite as a carrier. The results showed that at the early stages of adsorption with migration of interlayer cations of(More)
There are many devices used today on modern spacecraft to accurately determine their position. Star trackers (space cameras) are the most accurate device in use for determining a spacecraft's position. The star tracker operates automatically, getting images of star patterns within its Field of View (FOV). The stars observed by the camera can then be(More)
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