依据某型号航天光学遥感器内部系统通信协议,对CCD成像单元仿真系统在通信过程中的实时显示方法进行了研究.提出了一种利用计算机仿真技术,以计算机算法控制为核心,以通信控制电路为基础的实时显示实现的方法.阐述了航天光学遥感器CCD成像单元仿真系统的工作原理;分析了CCD成像单元仿真系统实时性需求,并应用微秒级精度的定时器对实时显示时间进行定时测试.经过实验证明,该方法满足预定要求,实现了仿真环境下的实时显示,完成了对航天光学遥感器内部遥感器控制单元的检测.
According to the communication protocol of inner system of certain type astronautics optical remote sensor,this paper investigated the real-time display method of the CCD imaging unit simulation system during communication.A new method of real-time display using simulation technology was presented based on computer arithmetic control and communication control circuit.The work principle of the CCD imaging unit simulation system was described;the real-time demand was analyzed,and the time of real-time display was tested with microsecond level-timer.Experimental results showed that the method satisfies the expecting requirements,fulfills the real-time display in simulation setting,and completes the testing and detection to the astronautics optical remote sensor control unit.
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