光腰半径与测量误差的关系曲线出现一零值点和一极大值点。
There's a zero point and maxima in the relationship curve of beam-waist radius and measurement error.
推导出光谱发射率的计算公式，对引起测量误差的诸因素进行讨论，并实测了几种材料法向光谱发射率曲线。
The calculative expression of normal spectral emittance is deduced. Some factors which cause the error are discussed Normal spectral emittance curves of several materials are measured.
最后，给出了文中算法的理论误差曲线，分析表明该测距误差小于辐照度的测量误差。
At last, it's illustrated by the theoretic ranging error curve that the relative ranging error is less than that of the irradiance measurement.
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