本文完成了该检测系统的初步探索：根据几何光学原理，设计了成像光路的方案； 完成所需图像传感器分辨能力的计算和型号的选择；
We have accomplished a primary explore of the checkout system, such as, the design of imaging optics road, the calculation and selection of sensor, the selection of digital processing chip.
方法采用以几何光学反射定律和折射定律为基础的光路追迹计算方法。
Methods Ray tracing of geometric optics based on the reflection and refraction laws.
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