[1] Wang P, Wang Y, Yu S Y. Characterization of porosity development in oxidized nuclear graphite[J]. Science & Technology Review, 30, 19-24(2012).

[2] Shi L, Wang H T, Wang H T et al. Experimental study on fracture toughness of nuclear graphite[J]. Nuclear Power Engineering, 32, 185-188(2011).

[3] Tang C, Wang L. Displacement field analysis based on the combination digital speckle correlation method with radial basis function interpolation[J]. Applied Optics, 49, 4545-4553(2010). http://www.opticsinfobase.org/abstract.cfm?uri=ao-49-24-4545

[4] Wang G, Yang J, Han C. Application of the radial basis function interpolation to phase extraction from a single electronic speckle pattern interferometric fringe[J]. Applied Optics, 50, 3110-3117(2011). http://www.opticsinfobase.org/abstract.cfm?uri=ao-50-19-3110

[5] Wang L L. The comparison of several filtering methods for ESPI and research on speckle information extraction based on RBF[D]. Tianjin: Tianjin University, 69-71(2013).

[6] Dai X, Shao X, Yang F et al. Non-destructive strain determination based on phase measurement and radial basis function[J]. Optics Communications, 338, 348-358(2015). http://www.sciencedirect.com/science/article/pii/S0030401814009821

[7] Wang L L, Tang C. ESPI filtering method based on radial basis function[J]. Acta Optica Sinica, 34, s210006(2014).

[8] Surrel Y. Design of algorithms for phase measurements by the use of phase stepping[J]. Applied Optics, 35, 51-60(1996). http://www.ncbi.nlm.nih.gov/pubmed/21068976

[9] Gao T. The construction of a class of oriented anisotropy filter masks and theirs application[D]. Tianjin: Tianjin University, 37-38(2012).

[10] Wu J, Zhou H, Wu D et al. Study of phase unwrapping algorithm from the undersampled phase[J]. Laser & Optoelectronics Progress, 53, 051003(2016).

[11] Zhang H Q, Guo R H, Jiang C et al. Improved path-independent phase unwrapping algorithm based on total-variation minimum denoising[J]. Laser & Optoelectronics Progress, 53, 121202(2016).

[12] Guo R H, Li J X, Zhu R H. Seed point unwrapping algorithm based on DCT algorithm[J]. Acta Optica Sinica, 32, 0212006(2012).

[13] Wang H Y, Liu Z Q, Liao W et al. Comparison of four phases unwrapping algorithm based on method of minimum norm[J]. Chinese Journal of Lasers, 41, 0209016(2014).

[14] Zhang X Q. Research of phase unwrapping based on quality map[D]. Harbin: Harbin Institute of Technology, 15-27(2010).

[15] Lu J, Li J C, Wang C C et al. An accurate and fast phase unwrapping algorithm based on constructed edge[J]. Journal of Optoelectronics·Laser, 26, 122-129(2015).

[16] Su R K L, Chen H H, Fok S L et al. . Determination of the tension softening curve of nuclear graphites using the incremental displacement collocation method[J]. Carbon, 57, 65-78(2013). http://www.sciencedirect.com/science/article/pii/S0008622313000547

[17] Kim D J, Oh S J, Jang C H et al. Fracture toughness and crack growth resistance of the fine grain isotropic graphite[J]. Carbon Science, 7, 19-26(2006). http://www.researchgate.net/publication/263623449_Fracture_Toughness_and_Crack_Growth_Resistance_of_the_Fine_Grain_Isotropic_Graphite

[18] Yang N. The study on edge-preserving filtering methods in spatial domain and their applications in three-point bending experiment of nuclear graphite[D]. Tianjin: Tianjin University, 40-49(2013).

[19] Wang X. Spatio-temporal continuum digital image correlation method and its applications[D]. Beijing: Beijing Institute of Technology, 84-89(2014).

[20] Wang W. The application of digital image correlation method on high temperature deformation test of thermal structure material[D]. Harbin: Harbin Institute of Technology, 41-45(2014).