节点文献
红外搜索跟踪系统的像移补偿设计分析
Image motion compensation design and analysis of Infrared Search and Tracking System
【Author】 CHEN Chao-shuai;WANG Shi-yong;SHI Yong-biao;HUANG Fei;Key Laboratory of Infrared System Detection and Imaging Technology, Chinese Academy of Sciences;University of Chinese Academy of Sciences;Shanghai Institute of Technical Physics of the Chinese Academy of Sciences;
【机构】 中国科学院红外探测与成像技术重点实验室; 中国科学院大学; 中国科学院上海技术物理研究所;
【摘要】 针对面阵凝视器件运用到红外搜索跟踪系统中出现的图像拖尾问题,分析了造成像移的原因。利用齐次坐标变换关系,推导出周视搜索过程中的像面位置方程和像移速度方程,通过对周视搜索过程中扫描像移的建模分析,指出了补偿后的剩余像移量范围。提出一种连续扫描凝视补偿方案,确定了凝视补偿扫描器的频率、摆角、速度准确度等参数。并对信号进行傅里叶频谱分析,确定了补偿扫描器的伺服控制系统带宽。
【Abstract】 For the image smearing problem when array staring detector is applied to IRST, The causes of image motion are analyzed, By using homogeneous coordinate transformation relations, Image plane position equation and image motion velocity equation is derived for panoramic scanning, the mathematical model of image motion is built and analyzed for panoramic scanning, The residual image motion after compensation is pointed out, A scheme of dynamic scanning and staring compensation is proposed, The parameters such as frequency, swing angle of the staring compensation scanner are determined.The speed accuracy of the compensating scanner are presented,And the Fourier spectrum of the signal is analyzed. The bandwidth of compensation scanner’s servo control system is determined.
【Key words】 array scanning; image motion compensation; modulation transfer function; linearity; bandwidth;
- 【会议录名称】 2018年光学技术与应用研讨会暨交叉学科论坛论文集
- 【会议名称】2018年光学技术与应用研讨会暨交叉学科论坛
- 【会议时间】2018-10-18
- 【会议地点】中国广西桂林
- 【分类号】TN219;TP391.41
- 【主办单位】上海市红外与遥感学会、桂林电子科技大学、广西光学学会