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在激光光致发光检验工作中，时间分辨发光成像技术是解决强烈背景荧光对痕迹物证发光干扰问题的行之有效的方法。本文详细地讨论了计算机控制时间分钟发光成像系统的原理和操作方法，实验表明，该系统对经稀土混合物处理的指纹的提取，效果明显。
In the work of laser photoluminescence, time-resolved luminescence imaging is an effective method to solve the problem of intense background fluorescence on the light-emitting interference of the evidence. This paper discusses in detail the principle and operation method of the computer-controlled time-minute light-emitting imaging system. Experiments show that the system has significant effect on the fingerprint extraction by the rare earth mixture.