b'\n \n \n
 
\n  
sfdvscan2d (4.0)		index
user/aklokov/Mdvscan2d.c
\n Diffraction velocity analysis\n

\n \n \n \n \n \n
 
\n Synopsis
       sfdvscan2d < dataFile_.rsf vel=velFile_.rsf > sembFile_.rsf gn=1 go=1.0 gd=1 coher=11 cigNum=1 dlim=fabs (dipStart_) isSemb=y

\nInput:
\ndataFile_.rsf - migrated dip-angle gathers
\n
\nOutput:
\nsembFile_.rsf - semblance spectrum
\n\n

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\n Parameters
       \n \n \n
\n  
int cigNum=1 		\theight of a vertical window for semblance calculation
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\n \n\n \n \n
\n  
int coher=11 		\theight of a vertical window for semblance calculation
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\n \n\n \n \n
\n  
float dlim=fabs (dipStart_) 		\tdefines dip-angle-window for the analysis
\n
\n \n\n \n \n
\n  
float gd=1 		\tincrement of Vm/V parameter
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\n \n\n \n \n
\n  
int gn=1 		\tnumber of scanned Vm/V values
\n
\n \n\n \n \n
\n  
float go=1.0 		\tstart of Vm/V parameter
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\n \n\n \n \n
\n  
bool isSemb=y [y/n]		\ty - output is semblance; n - stack power
\n
\n \n\n \n \n
\n  
string vel= 		\tvelocity model file (velocity in km/s) (auxiliary input file name)
\n
\n \n
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