Objective to study the relation between the field size and depth of Fw (wedge factor) and its effect on the clinical usage.

目的研究楔形因子与照射野大小和测量深度的相关性，为临床准确使用该因子提供依据。

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In this paper, the characteristics of wedge ring detector (WRD) are introduced. The correcting method of the responding factor is discussed theoretically, and the experimented results are given.

本文介绍了楔环阵列探测器(WRD)的特性，理论上论述了WRD线性响应因子校正的方法，并从实验上获得验证。

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Ultraviolet single photon imaging system with wedge and strip anode is introduced and the influence factor leading to image distortion is analyzed.

本文介绍了基于楔条型阳极的紫外单光子成像系统，分析了引起图像畸变的原因。

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