[3] Hassan A I, Skalej M, Schlattl H et al. Determination and verification of the x-ray spectrum of a CT scanner[J]. Journal of Medical Imaging, 5, 013506(2018).
[7] Yang Tao. Hard Xray spectral diagnosis[D]. Hefei: University of Science Technology of China, 2021: 4172
[11] Su Zhaofeng, Sun Jiang, Cai Dan, et al. Energy spectrum measurement f 200 keV pulsed hard Xray source[J]. Modern Applied Physics, 2022, 13: 030204, 030402
[14] Iwasaki S. A new approach f radiation inverseproblems based only on the Bayes'' they[C]Proceedings of the 9th Wkshop on Radiation Detects Their Uses. 1995.