The article discusses theoretically on the radiation theory of LD and LED, transformation theory of PIN photoelectric diode.
文章从理论上对LD、LED的发光原理、PIN光电二极管的光电转换原理进行了分析。
On the basis of accurate theory, using laser emitter and photosensitive diode as testing sensor, a set of laser equipment for automobile axle depth of parallelism test is designed and produced.
利用激光发射器和光敏接收器作为检测传感器，基于准确的检测理论，设计出了激光检测法检测汽车前、后轴平行度的检测装置。
So, this paper presents a more universal characteristics of the laser diode ranging evaluation system, and studies on laser diode characteristics of radar ranging in theory and experiment.
为此，本论文给出了一种更具有普适性的激光二极管测距特性的评价体系，并在理论和实验上对激光二极管雷达的测距特性进行了研究。
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