进一步说明背景光子噪声并不是探测器灵敏度的最后极限。
It was further explained that the background fluctuation limit was not the final limit of the detector sensitivity.
考虑到光纤损耗及探测器灵敏度限制，紫外光纤不宜作长距离传输。
An ultraviolet fiber is not suitable for long distance transmission considering the great loss and the limitation of the sensitivity of the detector.
通过分析射线成像检测的数理模型，提出等效能谱透照成像方法，对探测器灵敏度进行校正。
The image method of equivalent energetic-spectrum is put forward, and applied in correcting the detector sensitivity by analyzing the mathematical model of X-ray radiography.
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