Results 21 to 30 of about 263,296 (268)
Statistical Study of Satellite Constellations and the Cubesat Role [PDF]
علوم، فناوری و کاربردهای فضایی, 2023 Satellite Constellations are the new approach to achieve the capabilities that were previously expected from large and complex satellites. This paper reviews activities and related satellite constellation of about 130 companies and research institutes in
Ehsan Mousivand +3 more
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Satellite to Satellite Visibility [PDF]
The Open Astronomy Journal, 2012 In this paper, general analytical and computational technique for satellite-to-satellite visibility will be established. The developments are general in the sense that the visibility conditions can be used whatever the types of the satellite orbits may be. Numerical applications are also included.
openaire +1 more source
SMI Compatible Simulation Scheduler Design for Reuse of Model Complying with SMP Standard [PDF]
Journal of Astronomy and Space Sciences, 2010 Software reusability is one of key factors which impacts cost and schedule on a software development project. It is very crucial also in satellite simulator development since there are many commercial simulator models related to satellite and dynamics.
Cheol-Hea Koo +2 more
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A General Relative Radiometric Correction Method for Vignetting Noise Drift
Remote Sensing, 2023 Due to the limitation of the number of sensor pixels, optical splicing is commonly used to improve the imaging width of remote sensing satellites, and this optical stitching can cause vignetting in the image data of adjacent sensors. The weak energy, low
Liming Fan +6 more
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Performance analysis of the BDSBAS-B1C message in trial operation stage
Scientific Reports, 2023 BeiDou Satellite-based Augmentation System (BDSBAS) has come into the trial operation stage since July, 2020. To evaluate the characteristic of the augmentation message in BDSBAS-B1C signal, the effectiveness of the message content was firstly analyzed ...
Jie Xin +8 more
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Research on Multiview Stereo Mapping Based on Satellite Video Images
IEEE Access, 2021 In recent years, video satellite technology has greatly developed, and satellite video is captured using this technology. Because video satellites in motion are consistently aimed at certain areas, satellite video is usually composed of a series of frame
Wentao Li +6 more
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Method of Tower-less Calibration for Phase Parameter of Tracking System
MATEC Web of Conferences, 2015 This paper introduced the principle of angle errors in tracking system. The demodulation was only related to signal envelop, and supported the phase calibration of radio star.
Ge Tiezhi +4 more
doaj +1 more source
PhotonicsBroadcast-style downlinks (e.g., PONs and satellites) expose physical waveforms despite transport-layer cryptography, motivating physical-layer encryption (PLE).
Chao Yu +13 more
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