提出了一种CCD阵列相机几何标定的多级处理方法。 根据几何成像原理，该方法把相机内外部参数分开求解；
This paper presents a multiple stages calibration method of CCD array camera, which separate the interior parameters and exterior parameters based on the principle of geometric projection.
采用几何光学对三维发光体的透镜成像问题进行了研究。
The image formation of luminor body by lens is studied using geometrical optics.
基于斜视成像几何模型，分析了目标回波信号距离走动比距离弯曲大得多的特点。
Based on the imaging geometry of squint mode, the characteristics of echoes in squint mode are analyzed in this paper.
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