[1]吴东楼,王振东,贺安之.光学层析中拉普拉斯变换法的适用条件[J].东南大学学报(自然科学版),1999,29(1):150-154.[doi:10.3969/j.issn.1001-0505.1999.01.031]
　Wu Donglou,Wang Zhendong,He Anzhi.Restriction of Laplace Transform Method Used in Axisymmetric Field[J].Journal of Southeast University (Natural Science Edition),1999,29(1):150-154.[doi:10.3969/j.issn.1001-0505.1999.01.031]
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光学层析中拉普拉斯变换法的适用条件()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
29
期数:
1999年第1期
页码:
150-154
栏目:
数学、物理学、力学
出版日期:
1999-01-20

文章信息/Info

Title:
Restriction of Laplace Transform Method Used in Axisymmetric Field
作者:
吴东楼;  王振东;  贺安之
南京理工大学应用物理系,南京 210094
Author(s):
Wu Donglou;  Wang Zhendong;  He Anzhi
Applied Physics Department, Nanjing University of Science & Technology, Nanjing 210094
关键词:
光学层析;  干涉;  拉普拉斯变换;  轴对称场
Keywords:
optical computerized tomography (OCT);  interferometry;  Laplace transform method (LTM);  axisymmetric field
分类号:
O438
DOI:
10.3969/j.issn.1001-0505.1999.01.031
摘要:
在应用拉普拉斯变换方法实验研究轴对称场的基础上,发现在光学层析中被经常使用的拉普拉斯方法具有严格的限制条件,指出了拉普拉斯变换法重建对称场的适用范围,在理论上给出了分析结果,同时将拉普拉斯变换法重建结果与代数迭代法重建结果及热电偶测量值加以比较,分析了误差和适用范围.
Abstract:
Laplace transform method(LTM) is used to reconstruct the axisymmetric temperature field generated by radiation of electric iron. In the experiments, we discover that LTM has very strict constraints. The reconstructed result of axisymmetric field, where LTM method is used, is compared with the reconstructed result computerized by ART (algebra reconstruction technique) and the result is measured by thermocouple. The experiments prove that restrict conditions exists in LTM. The theory of the method is analyzed and the adaptive range is given.

参考文献/References:

[1] Bradley J W.Density determination from axisymmetric interferograms.AIAA Journal,1968,6(6):1190～1192
[2] Ladenberg R W.Physical measurements in gas dynamics and combustion.Princeton Univ Press,Princeton,NJ,1954,Chaps A1 and A3
[3] Oskav V.Interferometry with hypersonic free-flight models.AIAA Journal,1967,5(1):156～157
[4] South R.An extension to existing method of determination refractive indices from axisymmetric interferogram.AIAA Journal,1970,8(11):2057～2059
[5] Herts H M.Experimental determination of 2-D flame temperature field by interferometric tomography.Optics Communication,1985,54(3):731～736
[6] Snyder R.High speed optical tomography for flow visualization.Applied Optics,1985,24(23):4046～4051
[7] Sweeny D W,Vest C M.Reconstruction of three-dimensional refractive index field from multidirectional interferometric data.Appl Opt,1973,12(11):2649～2664
[8] 贺安之,阎大鹏.激光瞬态干涉度量学.北京:机械工业出版社,1993.331～338

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备注/Memo

备注/Memo:
第一作者:男,1970年生,博士研究生.
更新日期/Last Update: 1999-01-20