分析了系统杂散光的来源，得出非成像光束对系统影响较大、平板玻璃窗产生的鬼像不容忽视的结论。
We analyzed the stray light source of system and drew a conclusion that non-image beam has great effect on system qualities and system ghost images caused by parallel Windows should not be ignored.
方法比较平板探测器的结构特点、成像性能和临床使用的优缺点。
Methods the different flat panel detector were compared and analysed by the structure feature, imaging performance and clinical application.
提出并优化了由单排渐变介质波导构成的二维空气孔型光子晶体负折射平板透镜表面的减反层，改善了成像质量。
We propose and optimize the antireflection coating composed of a row of tapered dielectric waveguides for two-dimensional air hole-type photonic crystal negative refraction slab lens.
目的通过对平板探测器DSA系统与传统DSA系统冠状动脉造影图像质量进行比较和分析，评价平板dsa系统成像质量和临床应用。
Objective to evaluate the imaging quality and utility of flat panel detector DSA through comparing and analysing the image of coronary arteriography in traditional DSA and flat panel DSA.
针对永磁型MRI系统设计了一种平板式匀场线圈，用以改善成像区的磁场均匀性。
A set of tabulate shim coils is designed to improve the homogeneity of the imaging field for permanent magnet MRI (Magnetic Resonance imaging) system.
针对永磁型MRI系统设计了一种平板式匀场线圈，用以改善成像区的磁场均匀性。
A set of tabulate shim coils is designed to improve the homogeneity of the imaging field for permanent magnet MRI (Magnetic Resonance imaging) system.
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