Results 11 to 20 of about 14,014 (297)
Impacts of Arc Length and ECOM Solar Radiation Pressure Models on BDS-3 Orbit Prediction [PDF]
Remote Sensing, 2022 The BeiDou global navigation satellite system (BDS-3) has already provided worldwide navigation and positioning services for which the high-precision BDS-3-predicting orbit is the foundation.
Ran Li +7 more
doaj +2 more sources
Expandable Orbit Decay Prediction Using Continual Learning [PDF]
International Journal of Aerospace EngineeringVery low earth orbit (VLEO) spacecraft have become an attractive proposition with obvious advantages in various missions, including communication and ground observation.
Junhua He +4 more
doaj +2 more sources
A fast cold-start method of GPS receiver based on satellite orbit prediction [PDF]
MATEC Web of Conferences, 2018 Time to first fix (TTFF) is one of the crucial indicators to evaluate the performance of a GPS receiver. In this paper, an orbit prediction algorithm to reduce the TTFF of GPS receivers without a network connection is presented.
Yang Ruihong +3 more
doaj +4 more sources
Remote Sensing, 2023 At present, solar remote sensing instruments face problems regarding the short detection time for solar activity and the need to preheat the electronics before detection.
Yingqiu Shao +7 more
doaj +1 more source
Estimation of a General Along-Track Acceleration in the KOMPSAT-1 Orbit [PDF]
Journal of Astronomy and Space Sciences, 2002 General along-track acceleration was estimated in the KOMPSAT-1 orbit determination process. Several sets of the atmospheric drag and solar radiation pressure coefficients were also derived with the different spacecraft area.
Byoung-Sun Lee +2 more
doaj +1 more source
Detection and Tracking of Weak Exoatmospheric Target with Elliptical Hough Transform
Remote Sensing, 2022 An elliptical Hough transform (EHT) algorithm is proposed in the framework of track-before-detect (TBD) for joint detection and tracking of weak exoatmospheric targets.
Bin Rao, Yongkun Zhou, Yuanping Nie
doaj +1 more source
Ballistic Coefficient Calculation Based on Optical Angle Measurements of Space Debris
Sensors, 2023 Atmospheric drag is an important factor affecting orbit determination and prediction of low-orbit space debris. To obtain accurate ballistic coefficients of space debris, we propose a calculation method based on measured optical angles.
Yigao Ding +6 more
doaj +1 more source
Prediction of tissue decompression in orbital surgery [PDF]
Clinical Biomechanics, 2004 Objective: A method to predict the relationships between decompressed volume of orbital soft tissues, backward displacement of globe after osteotomy, and force exerted by the surgeon, was proposed to improve surgery planning in exophthalmia reduction.
Luboz, Vincent +5 more
openaire +3 more sources
On the predictability of Galileo disposal orbits [PDF]
, 2019 29 pages, 20 ...
Gondelach, David J. +2 more
openaire +3 more sources
Predicting The Orbit of TRAPPIST-1i [PDF]
Research Notes of the AAS, 2018 AAS Research ...
openaire +2 more sources