The main task in the paper lies in: In order to depress interference of background light, a sine-wave light intensity modulation drived light source is designed in the optical measurement equipment.
本文主要的工作在于:针对光学测量头使用中需要抑制背景光干扰的问题,提出采用正弦光强调制驱动光源的设计方案,并完成了电路设计和调试工作。
参考来源 - 正弦波光强调制式PSD激光三角测头的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
Abstract : A new type of optical signal transmission system based on organic light-emitting devices (OLED) has been investigated using direct light intensity modulation method.
摘要 ： 采用直接光强调制的方法，建立了一种新型有机电致发光器件（OLED）的光电信号传输体系，研究了发光层掺杂、发光面积和预置电压对OLED响应速度的影响。
A cantilever is used to block the light reflected into optical fiber, and the vibration signal can be measured through the intensity modulation.
使用悬臂梁来遮挡反射回光纤的光，用光强度调制来实现振动信号的测量。
The intensity modulation method is the oldest and simplest method for fiber-optic sensor, in which a homochromatic laser is used as system light source.
强度法是干涉型传感器采用的最古老、最简单的方法，它采用单色激光光源作为系统的光源。
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