Patent ID: 11892578
Assignee: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The seismic imaging method of claim 1, wherein the rational function-approximation dispersion relation is expressed as:, k
     z
    
    _
   
   =
   
    
     
      1
      -
      
       
        
         k
         x
        
        ¯
       
       2
      
     
    
    +
    
     (
     
      n
      -
      1
     
     )
    
    +
    
     
      (
      
       n
       -
       1
      
      )
     
     ⁢
     
      (
      
       
        c
        ⁢
        
         
          
           k
           x
          
          ¯
         
         2
        
       
       
        a
        +
        
         b
         ⁢
         
          
           
            k
            x
           
           ¯
          
          2
         
        
       
      
      )
     
    
   
  
  ;
 

wherein kz represents normalized wavenumber in z direction.