3-d ray tracking 三维射线追踪
3-D target tracking 三维目标跟踪
3 d ray tracking technique 三维射线追踪技术
3-d spatial ray tracking 三维空间射线追踪
The tracking from two or more sensors will enable precise calculation of a stereo, 3-d track of the missile's flight path, enabling appropriate defensive actions.
由两个或多个传感器进行跟踪将获得立体精确计算，三维跟踪导弹的飞行路径，采取适当的防御措施。
To make them larger a company called SeeReal, based in Luxembourg, has built systems that use two eye-tracking cameras above a large 3-d display to follow the viewer's eyes.
卢森堡的SeeReal公司采取了这样的系统：将两个摄像机架在大型3d显示器上面，追踪观众的眼球活动。
In target tracking domain estimating the true altitude of a target from 3-d radar is always been a challenge.
在目标跟踪领域，通过三坐标雷达的测量值(斜距、仰角及方位角)来估算目标的真实高度一直是个难点。
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