主光轴

基于沿主光轴方向摄影立体像对的相对定向与核线排列

Relative Orientation and Epipolar Arrangement based on Forward Moving Image Pairs along the Optical Axis

由于沿主光轴方向摄影立体像对的交会角小、精度低，在常规的、面向测图的摄影测量均不采用。

The stereopairs along the optical axis have some deficiencies e.g.intersection angle is too small and precision is not satisfied .

DVD小机芯物镜出射光主光轴与盘片在切向和径向的倾角是DVD小机芯开发、生产和检测的两个重要参数。

The radial and tangential tilt angles between the emission laser axis of objective lens and test disc are the key parameters to develop , produce and detect the DVD traverses .

CCD光靶的原理是利用两个线阵CCD相机作为探测器组成光学成像系统，其主光轴在铅垂面内交汇构成虚拟靶面，该光靶的核心部分是CCD数据采集系统。

The principle of CCD optical target is that 2 linear-array CCD cameras are used as detecting devices to compose optical imaging system and its main light-axis is crossing in vertical-side to compose virtual target screen , whose core part is CCD data acquiring system .

沿主光轴方向序列影像问题研究。

Along the optical axis sequence images research problems .

两机主光轴夹角接近90°，频率为50帧/秒。

The main axis angle between the two aircraft is nearly 90 ° and the frequency is 50 frames / sec .

利用电缆进行悬挂的灯具，其主光轴与道路主轴成直角。

Luminaire designed to be suspended from a cable with its main beam axis at right angles to the axis of the road .

用几种分光光度计研究了一些一轴晶矿物平行和垂直于主光轴方向的吸收程度。

Degree of absorption along and perpendicular to the main optical axis was studied for some uniaxial minerals , using several types of spectrophotometers .

分析表明，传感器的拍长与光纤中主光轴的原方向都对光的双折射以及传感灵敏度有较大影响。

Our analysis shows that both the beat length and initial orientation of optical principal axes have significant influence on the rotation and strain sensitivity of the sensor .

针孔成像模型下非主光轴上的球体成像为椭圆，椭圆中心偏离球心投影点。

The image of sphericity which does not located the principal optic axis is an ellipse based on pinhole model , and the image center offsets from the projection of the sphere center .

单轴晶光率体主截面内离散角的研究利用电缆进行悬挂的灯具，其主光轴与道路主轴成直角。

A Study on the Walk-Off Angle in the Optical Indicatrix s Principal Section of Uniaxial Crystal ; Luminaire designed to be suspended from a cable with its main beam axis at right angles to the axis of the road .

车载式被动红外探雷系统中，由于存在探测系统的主光轴与地面法线的夹角，热像仪所获取的图像存在着较大的畸变，影响了地雷探测的准确率。

For vehicle-borne landmine detection techniques , distortion inevitably exists in the downward-looking infrared images due to the inclination between the optic axis of the detector and the normal of the ground , which will reduce the accuracy of landmines recognition .

光阑中心通常位于主光轴上，且光阑面与主光轴垂直？一般光学系统具有多个光阑，其中对光束的限制作用最大，即实际上决定通过光学系统的光束大小的那个光阑称为孔径光阑。

The aperture center usually is located in the main axis , and the aperture surface and the main axis perpendicular . Generally optical system has many apertures , the limit function is biggest to the light beam , namely in fact decided that is called the aperture .