Signal-to-noise ratio comparison of angular signal radiography and phase stepping method<xref rid="cpb_26_12_120601_fn1" ref-type="fn">*</xref> <fn id="cpb_26_12_120601_fn1"> <label>*</label> <p>Project supported by the National Research and Development Project for Key Scientific Instruments (Grant No. CZBZDYZ20140002), the National Natural Science Foundation of China (Grant Nos. 11535015, 11305173, and 11375225), the project supported by Institute of High Energy Physics, Chinese Academy of Sciences (Grant No. Y4545320Y2), and the Fundamental Research Funds for the Central Universities (Grant No. WK2310000065). The author, Wali Faiz, acknowledges and wishes to thank the Chinese Academy of Sciences and The World Academy of Sciences (CAS-TWAS) President's Fellowship Program for generous financial support.</p> </fn>

Signal-to-noise ratio comparison of angular signal radiography and phase stepping method* *

Project supported by the National Research and Development Project for Key Scientific Instruments (Grant No. CZBZDYZ20140002), the National Natural Science Foundation of China (Grant Nos. 11535015, 11305173, and 11375225), the project supported by Institute of High Energy Physics, Chinese Academy of Sciences (Grant No. Y4545320Y2), and the Fundamental Research Funds for the Central Universities (Grant No. WK2310000065). The author, Wali Faiz, acknowledges and wishes to thank the Chinese Academy of Sciences and The World Academy of Sciences (CAS-TWAS) President's Fellowship Program for generous financial support.

Faiz Wali¹, Zhu Peiping^{2, †}, Hu Renfang³, Gao Kun¹, Wu Zhao^{1, ‡}, Bao Yuan³, Tian Yangchao^{1, §}

(color online) Calculated absorption images of (a) ASR, (b) PS, and (c) signal-to-noise ratio comparison of four steps ASR and PS for absorption image.