Results 51 to 60 of about 306 (171)
Wide dynamic range CMOS image sensor for star tracking applications
, 2015 Recent trends in space technologies highlight the importance of star trackers. Star trackers are optical-electronic devices that measure starlight directions. They are the most accurate sensors for 3-axis satellite attitude estimation. Current generation
Qian, Xinyuan
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, 2017 In the last decade, the importance of high-precise geoid determination at local or national level has been pointed out by Turkish National Geodesy Commission. The Commission has also put objective of modernization of national height system of Turkey to
Uluğ, Raşit +5 more
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, 2017 In the last decade, the importance of high-precise geoid determination at local or national level has been pointed out by Turkish National Geodesy Commission.
Uluğ, Raşit +5 more
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A sCMOS camera and its tests for focal plane metrology and PSF centroiding experiment
, 2017 In this paper, the feasibility of a sCMOS camera for astrometric exoplanet detection space mission was evaluated and the evaluation methods were also studied.
Tao, Jinyou +15 more
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An Accurate and Efficient Gaussian Fit Centroiding Algorithm for Star Trackers
, 2013 This paper presents a novel centroiding algorithm for star trackers. The proposed algorithm, which is referred to as the Gaussian Grid algorithm, fits an elliptical Gaussian function to the measured pixel data and derives explicit expressions to ...
Vandenbussche, Bart +2 more
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Line of sight extraction algorithm for stand-alone CubeSats in deep-space. Optical image generation, attitude determination and identification of planets at unresolved scale [PDF]
, 2021 LAUREA MAGISTRALEAffinchè i CubeSat possano navigare autonomamente nello spazio profondo, è necessario che essi siano dotati di strumenti in grado di calcolarne lo stato.
BELLA, SALVATORE ANDREA
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CMOS pixels crosstalk mapping and its influence on measurements accuracy for space applications [PDF]
, 2005 Due to different local intra-pixel sensitivity and crosstalk between neighboring pixels, the Pixel Response Function of detectors (PRF - signal of the pixel as a function of a point source position) is generally non-uniform.
Estribeau, Magali, Magnan, Pierre
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A star tracker design for CubeSats
, 2012 textThis research outlines a low-cost, low-power, arc-minute accurate star tracker that is designed for use on a CubeSat. The device is being developed at the University of Texas at Austin for use on two different 3-unit CubeSat missions.
McBryde, Christopher Ryan
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An Optical System of Star Sensors with Accuracy Performance Varying with the Field of View. [PDF]
Sensors (Basel), 2023 Wang X, Chen X, Li Z, Zhu J.
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Fast star tracker centroid algorithm for high performance CubeSat with air bearing validation
, 2012 Thesis: S.M., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2012.Cataloged from PDF version of thesis.Includes bibliographical references (pages 98-100).State of the art CubeSats such as ExoplanetSat require pointing ...
Knutson, Matthew W. (Matthew Walter)
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