Patent ID: 11922817
Assignee: BEIHANG UNIVERSITY
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 8:
9. The method according to claim 1, wherein the similarity is cosine similarity, and the acquiring the similarity between the target node vector set and the node vector set of each historical flight in the historical node vector set to obtain the plurality of similarity data comprises;
determining the similarity data based on the equation, s
    ⁡
    (
    
     a
     ,
     b
    
    )
   
   =
   
    
     cos
     ⁢
     θ
    
    =
    
     
      
       X
       a
      
      ·
      
       X
       b
      
     
     
      
       
        ❘
        "\[LeftBracketingBar]"
       
       
        X
        a
       
       
        ❘
        "\[RightBracketingBar]"
       
      
      ·
      
       
        ❘
        "\[LeftBracketingBar]"
       
       
        X
        b
       
       
        ❘
        "\[RightBracketingBar]"
       
      
     
    
   
  
  ,, wherein Xa represents the target node vector set; Xb represents the historical node vector set.