Secondly, laser sensor quantitative measure wood surface roughness method and wood surface defect recognition are studied by the test system consisting of FFT analyzer, laser sensor etc.
其次，使用由FFT快速傅立叶分析仪、激光传感器等组成的检测系统，进行了激光传感器对木材表面粗糙度定量测量方法的研究和木材表面缺陷识别的研究。
Secondly, laser sensor quantitative measure wood surface roughness method and wood surface defect recognition are studied by the test system consisting of FFT analyzer, laser sensor etc.
其次，使用由FFT快速傅立叶分析仪、激光传感器等组成的检测系统，进行了激光传感器对木材表面粗糙度定量测量方法的研究和木材表面缺陷识别的研究。
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