Patent ID: 11892577
Assignee: INSTITUTE OF ROCK AND SOIL MECHANICS, CHINESE ACADEMY OF SCIENCES
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 9:
10. The method of claim 6, wherein the preset envelope objective function is:, E
  =
  
   
    1
    2
   
   ⁢
   
    
     ∑
     
      s
      ,
      r
     
    
    
     
      ∫
      0
      T
     
     
      
       
        [
        
         
          e
          ⁡
          (
          
           
            x
            s
           
           ,
           
            x
            r
           
           ,
           t
          
          )
         
         -
         
          
           e
           0
          
          (
          
           
            x
            s
           
           ,
           
            x
            r
           
           ,
           t
          
          )
         
        
        ]
       
       2
      
      ⁢
      d
      ⁢
      t
     
    
   
  
 

wherein, e(xs, xr, t) represents an envelope of a simulated acoustic wave signal; e0(xs, xr, t) indicates an envelope of the low-frequency acoustic wave data or the high-frequency acoustic wave data.