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Performance evaluation and quality assurance for axial CT scanning and helical CT scanning imaging system
Conforms to the GB/T17589-2011 X ray computed tomography imaging quality assurance testing specification;
conforms to the JJG 1026-2007 spiral CT verification regulation.
The CT performance module is modular design, consisting of four detection modules:
YDP－1：The measurable layer thickness and CT value are linear (6 CT values).
YDP－2：The high contrast resolution can be measured.
YDP－3：The resolution of low contrast can be measured.
YDP－4：The measurement field uniformity and noise can be measured.