Through the experiment, it is indicated that regulated direct power makes the light source stable and provides the accurate UV radiation calibration with stable ultraviolet light source.

实验结果表明，带有光反馈的恒压恒流直流电源发光稳定，为精确紫外辐射定标提供了高稳定度的紫外光源。

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This method expands the selection of the light source of the calibration experiment platform, and improves the homemade instrument's performance.

该方法扩大了标定实验平台对光源的选取范围，提高了自制仪器的性能。

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