An Approach to Star Map Simulation for Star Sensor Considering the Effect of Image Motion


To test high resolution and dynamic performance of star sensor, a method of consideration image motion on Modeling the motion blur of star sensor is proposed. Firstly, image motion geometric model based on the rotation of Starlight vector is studied. Secondly, with the help of the normal distribution of static star image energy model, introducing the star image motion speed, obtaining the energy distribution function of moving stars, implementing high dynamic simulation of star map. Finally, establishing the simulation environment, through adjusting input parameters such as integral time, rate of change of three attitude angle, the launch time, location, then, important simulation data of stars observed by star sensor in orbit can quickly be obtained, such as navigation stars information, value and direction of image motion, intensity distribution, signal to noise ratio. This work is very important to research and evaluate the star image motion compensation algorithm.

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Li, A. , Liu, C. and Shen, X. (2013) An Approach to Star Map Simulation for Star Sensor Considering the Effect of Image Motion. Optics and Photonics Journal, 3, 108-111. doi: 10.4236/opj.2013.32B027.

Conflicts of Interest

The authors declare no conflicts of interest.


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