CAJ | 학술논문

为了对航天遥感相机焦平面振动进行实时检测，提出了一种利用CMOS图像传感器和快速灰度投影算法的振动实时检测方案。首先，分析了航天遥感相机焦面振动检测系统要满足的条件，提出了一种在焦面空闲处安装CMOS图像传感器的结构来获取图像序列，然后对传统灰度投影算法进行了改进并利用该算法计算了图像序列间的振动量，最后，利用FP-GA对算法进行了实现。理论分析和实验结果均表明，提出的方案能满足航天遥感相机对焦面振动检测的要求。
위료대항천요감상궤초평면진동진행실시검측，제출료일충이용CMOS도상전감기화쾌속회도투영산법적진동실시검측방안。수선，분석료항천요감상궤초면진동검측계통요만족적조건，제출료일충재초면공한처안장CMOS도상전감기적결구래획취도상서렬，연후대전통회도투영산법진행료개진병이용해산법계산료도상서렬간적진동량，최후，이용FP-GA대산법진행료실현。이론분석화실험결과균표명，제출적방안능만족항천요감상궤대초면진동검측적요구。
In order to develop real-time vibration detection of space remote sensing camera , a real-time vibration detection method based on CMOS image sensor and fast gray projection algorithm is proposed .Firstly, the basic condition for vibration detection system of focal plane in space remote sensing camera is analyzed .Then, the spe-cial structure for CMOS image sensor fitting in idle area of focal plane is proposed to obtain image sequence .Final-ly, the vibration of image sequence is calculated by using the improving gray projection algorithm which is realized under FPGA platform.The principle analysis and experiment show that the proposed method can satisfy the focal plane vibration detection requirement of space remote sensing camera .