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为实现机载CCD像机的图像旋正,采用了基于DSP技术(TMS320F240)的机械消旋控制方法,充分利用了DSP的硬件和软件资源,实现了较高精度的消旋控制。在介绍TMS320F240的主要特点、功能及结构基础上,重点描述了它在CCD像机消旋控制器中应用的硬件结构及其算法流程,给出以这种算法流程进行控制的实验结果。实验结果满足控制精度要求。
In order to realize the image rotation of the airborne CCD camera, a mechanical control method based on DSP technology (TMS320F240) is used to make full use of the hardware and software resources of the DSP and achieve the high precision of the control. Based on the introduction of the main features, functions and structure of the TMS320F240, the hardware structure of the TMS320F240 and its algorithm flow are described emphatically. The experimental results of this algorithm flow control are given. Experimental results to meet the control accuracy requirements.