Accurate measurement of geometrical distortionofimage display system with wide-angle objective lens is the precondition and key of digital distortion correction.
准确地测量含有广角耦合物镜的图像显示系统的几何畸变是实现图像显示系统几何畸变数字校正的前提和关键。
2
After the correction, the distortionofimage display system is less than 0.4%. This result can meet the needs of the positioning and probability of the missile's scene matching guidance system.
校正后，图像显示系统的畸变小于0.4%，完全能够满足导弹景象匹配系统定位误差及定位概率的检测要求。
3
In this paper the distortionofimage collimating system is analyzed, and then an on-line self-calibration method with double-frequency laser length measuring result as length datum is presented.