Abstract
When the rotating part such as the momentum wheel works on orbit, it will output disturbing force and torque, which makes the satellite vibrate slightly. This slight vibration is called micro-vibration. The longer the focal length of the remote sensing camera, the greater the influence of the micro-vibration on the image. In order to evaluate the influence of the actual output of momentum wheel’s micro-vibration on camera imaging, a series of simulation models for the characteristics of vibration source, control system, satellite structure, and optical system are established, and the specific method of data exchange between these models are given. Finally, the influence of micro-vibration on image motion and the MTF is obtained. In addition, the influence of the output spectrum of the momentum wheel micro-vibration on the camera is studied. The results show that when the output spectrum is in the camera mode region, the camera response will be obviously magnified.
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