원문정보
초록
영어
Laser triangulation method, widely used in modern industry, is able to meet the requirements of fast, real-time and on-line detection within non-contact measurement method. Laser triangulation method is affected by many factors, and the laser spot noise is the main factor to affect application field of the laser triangulation method directly. Based on the laser triangulation principle, this paper deeply analyzes the effect of laser spot noise on the measurement accuracy of laser triangulation method, such as signal flicker noise, background noise, dark current noise, thermal noise, amplifier noise and so on, and puts forward a new method to use the filtering algorithm to overcome the laser spot noise for improving the accuracy of laser triangulation.
목차
1. Introduction
2. The Measure Principle of Laser Triangulation Method
2.1. Direct Optical Triangulation Method
2.2. Oblique Optical Triangulation Method
3. Analysis of the Influence of Laser Spot Noise on the Measurement Accuracy of Laser Triangulation Method
4. Using the Filtering Algorithm to Overcome the Noise of Laser Spot
5. Conclusion
References