Patent ID: 11874336
Assignee: WUHAN UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 4:
5. The method according to claim 4, wherein Step (4) comprises:
obtaining a variable FXY(k) indicating whether the diagnosis variable exceeds a threshold range [−THXY(k), THXY(k)] and the polarity thereof from, F
      
        X
        ⁢
        Y
      
    
    ⁡
    
      (
      k
      )
    
  
  =
  
    {
    
      
        
          
            
              1
              ,
            
          
          
            
              
                Δ
                ⁢
                
                  
                
                ⁢
                
                  
                    V
                    
                      X
                      ⁢
                      Y
                    
                  
                  ⁡
                  
                    (
                    k
                    )
                  
                
              
              >
              
                T
                ⁢
                
                  
                    H
                    
                      X
                      ⁢
                      Y
                    
                  
                  ⁡
                  
                    (
                    k
                    )
                  
                
              
            
          
        
        
          
            
              
                0
                ,
              
              ⁢
              
                
              
            
          
          
            
              
                
                
                  Δ
                  ⁢
                  
                    
                  
                  ⁢
                  
                    
                      V
                      
                        X
                        ⁢
                        Y
                      
                    
                    ⁡
                    
                      (
                      k
                      )
                    
                  
                
                
              
              ≤
              
                
                  TH
                  
                    X
                    ⁢
                    Y
                  
                
                ⁡
                
                  (
                  k
                  )
                
              
            
          
        
        
          
            
              
                -
                1
              
              ,
            
          
          
            
              
                Δ
                ⁢
                
                  
                
                ⁢
                
                  
                    V
                    
                      X
                      ⁢
                      Y
                    
                  
                  ⁡
                  
                    (
                    k
                    )
                  
                
              
              <
              
                
                  -
                  T
                
                ⁢
                
                  
                    H
                    
                      X
                      ⁢
                      Y
                    
                  
                  ⁡
                  
                    (
                    k
                    )
                  
                
              
            
          
        
      
      .