Simulation and experiment on attitude tracking control of small TV satellite

Zhi-yuan, 孙志远 Sun; Liu, 张刘 Zhang; Guang, 金光 Jin; Kai, 徐开 Xu; Mao-sheng, 陈茂胜 Chen

doi:10.3788/ope.20111911.2715

Cited by 2 publications

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“…The observation of the earth from space using highresolution satellite remote sensing technology has developed into a significant observation approach and is frequently employed in ship detection and recognition. As a "staring" observation of a sensitive area, video satellites can continuously observe the changes in the field of view, and obtain more dynamic information about the target area by means of "space video recording" than traditional Earth observation satellites [3]. The continuous imaging mode of satellite video makes there is strong correlation between the front and back frames and can provide rich contextual information.…”

Section: Introductionmentioning

confidence: 99%

SVSDet: A Fine-Grained Recognition Method for Ship Target Using Satellite Video

Liu,

Bu,

et al. 2024

IEEE J. Sel. Top. Appl. Earth Observations Remote Sensing

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Section: Introductionmentioning

confidence: 99%

SVSDet: A Fine-Grained Recognition Method for Ship Target Using Satellite Video

Liu,

Bu,

et al. 2024

IEEE J. Sel. Top. Appl. Earth Observations Remote Sensing

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Analysis of image motion for optical remote sensing satellites staring imaging with area-array detectors

Peng

Zheng

et al. 2023

Appl. Opt.

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In this paper, the image motion introduced by the staring action itself during optical remote sensing satellites staring imaging with area-array detectors is studied. The image motion is decomposed into the angle-rotation image motion caused by the change of observation angle, the size-scaling image motion caused by the change of observation distance, and the Earth-rotation image motion caused by the rotation of the ground object with the Earth. The theoretical derivation of the angle-rotation image motion and size-scaling image motion is conducted, and the numerical analysis of the Earth-rotation image motion is carried out. Based on the comparison among the characteristics of the three types of image motions, the conclusion is drawn that, for general staring imaging scenes, the angle-rotation image motion is dominant, followed by the size-scaling image motion and the ignorable Earth-rotation image motion. On the condition that the image motion does not exceed 1 pixel, the allowed maximum exposure time for area-array staring imaging is analyzed. It is found that the large-array satellite is not suitable for long-exposure imaging, as its allowed exposure time decreases rapidly with the increase of roll angle. A satellite with a 12k×12k area-array detector and 500 km orbit is taken as an example. The allowed exposure time is 0.88 s when roll angle of the satellite is 0°; it decreases to 0.02 s when the roll angle increases to 28°.

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Simulation and experiment on attitude tracking control of small TV satellite

Cited by 2 publications

References 0 publications

SVSDet: A Fine-Grained Recognition Method for Ship Target Using Satellite Video

SVSDet: A Fine-Grained Recognition Method for Ship Target Using Satellite Video

Analysis of image motion for optical remote sensing satellites staring imaging with area-array detectors

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