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发明授权
US07649973B1 Apparatus and method for z-location dependent x-ray beam filtration for imaging system 有权
用于成像系统的z位置相关x射线束过滤的装置和方法

Apparatus and method for z-location dependent x-ray beam filtration for imaging system
摘要：
An imaging system includes at least two x-ray sources, an x-ray detector assembly and an attenuation filter. The at least two x-ray sources are displaced along a z-axis and configured to alternately emit x-ray beams. The x-ray detector assembly is configured to detect the x-ray beams. The attenuation filter is mounted proximate the at least two x-ray sources and is configured to provide different amounts of x-ray attenuation to the x-ray beams along the z-axis.
摘要（中）：

成像系统包括至少两个X射线源，X射线检测器组件和衰减滤波器。 所述至少两个x射线源沿Z轴移位并被配置为交替地发射x射线束。 x射线检测器组件被配置为检测x射线束。 所述衰减滤波器安装在所述至少两个x射线源附近，并且被配置为沿着z轴向x射线束提供不同量的X射线衰减。

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