Results 21 to 30 of about 1,366,151 (284)
Research-grade CMOS image sensors for remote sensing applications [PDF]
, 2004 Imaging detectors are key elements for optical instruments and sensors on board space missions dedicated to Earth observation (high resolution imaging, atmosphere spectroscopy...), Solar System exploration (micro cameras, guidance for autonomous vehicle.
Belliot, Pierre +8 more
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Study on the method of precision adjustment of star sensor
Nanotechnology and Precision Engineering, 2018 Star sensors are indispensable spatial measurement sensors for high-resolution earth observation and astronomical observations, and the demand for high measurement accuracy of satellite sensors continues to increase; thus, the star sensor optical machine
Xiaoyan Wang +6 more
doaj +1 more source
IEEE Access, 2023 The algorithm for star identification is a crucial technology for determining the orientation of spacecraft using star sensors. Traditional star identification algorithms achieve matching by seeking a unique or a few optimal solutions.
Haodong Yan +5 more
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Guide Star Selection for the Three-FOV Daytime Star Sensor [PDF]
Sensors, 2019 To realize the application of the star sensor in the all-day carrier platform, a three-field-of-view (three-FOV) star sensor in short-wave infrared (SWIR) band is considered. This new prototype employs new techniques that can improve the detection capability of the star sensor, when the huge size of star identification feature database becomes a big ...
Liang Wu 0007 +4 more
openaire +4 more sources
Rectangular Array Current Transducer with Integrated microfluxgate Sensors [PDF]
, 2018 Novel rectangular yokeless current transducer with the range 400 A using 16 microfluxgate sensors around the busbar conductor is presented in this paper.
Vyhnánek J., Ripka P., Chirtsov A.
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Star centroiding error compensation for intensified star sensors
Optics Express, 2016 A star sensor provides high-precision attitude information by capturing a stellar image; however, the traditional star sensor has poor dynamic performance, which is attributed to its low sensitivity. Regarding the intensified star sensor, the image intensifier is utilized to improve the sensitivity, thereby further improving the dynamic performance of ...
Jie, Jiang +4 more
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Thermal design and analysis of high power star sensors
Case Studies in Thermal Engineering, 2015 The requirement for the temperature stability is very high in the star sensors as the high precision needs for the altitude information. Thermal design and analysis thus is important for the high power star sensors and their supporters.
Fan Jiang +4 more
doaj +1 more source
Efficient Star Identification Using a Neural Network
Sensors, 2020 The required precision for attitude determination in spacecraft is increasing, providing a need for more accurate attitude determination sensors.
David Rijlaarsdam +5 more
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Processing Centroids of Smearing Star Image of Star Sensor [PDF]
Mathematical Problems in Engineering, 2014 A novel method was presented for increasing the accuracy of subpixel centroid estimation for smearing star image. Model of the smearing trajectory of smearing star was built. It helped to study the analytical form of the errors, caused by image smearing, for centroid estimation.
Yufu Liao +3 more
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Penerapan Algoritma A-Star Sebagai Pencari Rute Terpendek pada Robot Hexapod
Jurnal Nasional Teknik Elektro, 2018 A-Star is a path finding algorithm that combine Uniform Cost Search and Greedy-Best First Search. Uniform Cost Search will choose the smallest cost from start to goal, while Greedy-Best First Search uses a heuristic function to estimate the cost required
Dedy Hermanto, Sepri Dermawan
doaj +3 more sources