Patent ID: 11869124
Assignee: ASIA-PACIFIC TYPHOON COLLABORATIVE RESEARCH CENTER
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 7:
8. The visualization analysis method of tropical cyclone forecast verification index data according to claim 1, characterized in that, determining the first error and the second error by calculating the track forecast verification index comprises:
Decomposing, the position error in the track forecast verification index, into the first error and the second error, respectively, wherein the first error and the second error respectively meet the following formula:, ATE
   =
   
    
     ❘
     "\[LeftBracketingBar]"
    
    
     
      
       
        ⟶
        
         
          
           
            OB
            ⁢
            1
           
          
          
           
            OB
            ⁢
            2
           
          
         
        
       
       
        ·
        
         ⟶
         
          
           
            
             OB
             ⁢
             1
            
           
           
            FC
           
          
         
        
       
      
      
       
       
        ⟶
        
         
          
           
            OB
            ⁢
            1
           
          
          
           
            OB
            ⁢
            2
           
          
         
        
       
       
      
     
     -
     
      
      
       ⟶
       
        
         
          
           OB
           ⁢
           1
          
         
         
          
           OB
           ⁢
           2
          
         
        
       
      
      
     
    
    
     ❘
     "\[RightBracketingBar]"
    
   
  
  ;
 

 
  
   CTE
   =
   
    
     ❘
     "\[LeftBracketingBar]"
    
    
     
      
       
       
        ⟶
        
         
          
           
            OB
            ⁢
            1
           
          
          
           FC
          
         
        
       
       
      
      2
     
     -
     
      
       
        (
        
         
          ⟶
          
           
            
             
              OB
              ⁢
              1
             
            
            
             
              OB
              ⁢
              2
             
            
           
          
         
         
          ·
          
           ⟶
           
            
             
              
               OB
               ⁢
               1
              
             
             
              FC
             
            
           
          
         
        
        )
       
       2
      
      
       
        
        
         ⟶
         
          
           
            
             OB
             ⁢
             1
            
           
           
            
             OB
             ⁢
             2
            
           
          
         
        
        
       
       2
      
     
    
    
     ❘
     "\[RightBracketingBar]"
    
   
  
  ;
 

wherein ATE is the first error, CTE is the second error, OB1 represents the initial position of the tropical cyclone, FC represents the forecasted position of the tropical cyclone, and OB2 represents the actual position at the corresponding forecast time.