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Vol. 168, Issue 4, April 2014, pp. 137-141

 

Bullet

 

Laser on-line Thickness Measurement Technology Based on Judgment
and Wavelet De-noising
 

Xu Ancheng, Xu Qingquan, Chen Gong, Zhu Xifang, Zhang Hua and Liu Xiaojun

Changzhou Institute of Technology, Changzhou 213022, China
Tel.: 13921034125

E-mail: jackyxac@163.com

 

Received: 31 December 2013 /Accepted: 7 March 2014 /Published: 30 April 2014

Digital Sensors and Sensor Sysstems

 

Abstract: Lithium battery coating thickness is measured by sensor using laser triangulation. The algorithm based on threshold judgment and multi-scale wavelet is realized for noise high-frequency reduction of lithium battery film thickness systems. The result shows that compared with the unique multi-scale wavelet de-noising, the method applies to different lengths and discontinuous of coating thickness measurement.

 

Keywords: Laser, Threshold, Multi-scale Wavelet, Film thickness.

 

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