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数字X射线成像设备DQE的测试 被引量:13

Measurement of the Detective Quantum Efficiency (DQE) for Digital X-ray Imaging Devices
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摘要 根据最新国际电工委员会标准IEC62220-1,我们对我院数字X线平板探测器系统的物理特性进行测试。设计建立符合IEC标准的实验测试设备和测试方法,并对某些测试条件对测量结果的影响进行初步研究。 DQEs for a digital X-ray flat panel detector system has been measured in accordance with the new international standard IEC 62220 - 1. A measurement set - up complying with IEC 62220 - 1 has been realized, the influence of measuring set- up was evaluated in this paper
出处 《医疗设备信息》 2007年第4期1-4,共4页 Information of Medical Equipment
基金 国家自然科学基金资助(30470531)
关键词 数字X射线机 DQE调制传递函数 噪声功率谱 噪声等价量子数 digiter X-ray machine modulation transfer function noise power spectrum noise equivalent number of quanta
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参考文献10

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二级参考文献13

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