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《Chinese Journal of Geophysics》 1994-03
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DIFFRACTION PATTERN AROUND SINGULAR POINT

LIU WEI-XIA(Beijing Information Technology Institute, Beijing 100101)LRAN WEN-GUI(Computing Center, Academia Simica, Beijing 100080)  
In the research of the problems In diffraction, we ascribe analytical singularity of back wave to asymptotic behavior problems of oscillatory integral for that parameter.Using the operator theory of generallied function,this paper gives stability phase formula of the fronta oscillatory Integral In a simple way. With the Thom theory, It can be applied to calculate the diffraction pattern around undecayed singular point, bifurcation point and umbilic point.
【Fund】: 国家自然科学基金委员会、中国科学院、中国石油天然气总公司和大庆石油管理局联合资助
【CateGory Index】: O411.1
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【References】
Chinese Journal Full-text Database 1 Hits
1 LIU WEI-XIA (Beijing Information Technology Institute, Beijing 100101);INVERSE SCATTERING PROBLEM OF SMOOTH SURFACE[J];Chinese Journal of Geophysics;1995-S1
【Citations】
Chinese Journal Full-text Database 1 Hits
1 LUAN WEN-GUI(Computer Center, Academia Sinica, Beijing 100080);SIAGULORITY ANALYSIS OF SCATTERING IN A HOMOGENEONS MEDIUM[J];Chinese Journal of Geophysics;1993-04
【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 LIU WEI-XIA (Beijing Information Technology Institute, Beijing 100101);INVERSE SCATTERING PROBLEM OF SMOOTH SURFACE[J];Chinese Journal of Geophysics;1995-S1
【Co-references】
Chinese Journal Full-text Database 1 Hits
1 LUAN WEN-GUI(Computer Center, Academia Sinica, Beijing 100080);SIAGULORITY ANALYSIS OF SCATTERING IN A HOMOGENEONS MEDIUM[J];Chinese Journal of Geophysics;1993-04
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