National Natural Science Foundation of China;grant number:61002041,61102161;National 973 Basic Research Program of China;grant number:2010CB732600;2010-Guangdong Province Innovational Research Team Program and Programs of Shenzhen;grant number:JC201005270313A,JC201005280493A,JC201005280581A,ZYA201006300034A
Propagation-based phase-contrast imaging was simulated based on paraxial Fresnel-Kirchoff diffraction integral and spherical wave illumination. Under a developed micro-CT system parameters, the effects of focal-spot s...