Principle analysis and experiment result indicate that the non-contact thickness measurement method using CCD as photoelectric transformation element is feasible.
理论分析及实验表明，采用CCD为光电转换元件的非接触测量厚度法是可行的。
2
In photoelectric spectral analysis for a steel sample, the result depends on the condition of sample surface.
在对钢样进行光电光谱分析时，其表面情况对分析结果有直接影响。
3
The designing principle and theoretical analysis of the beam path of a new photoelectric liquid-level sensor are presented.