Patent ID: 11860302
Assignee: BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 9:
10. The apparatus of claim 9, wherein the processor circuit is configured to compute the system covariance matrix ΣSys according to:, Σ
   
    S
    ⁢
    y
    ⁢
    s
   
  
  =
  
   
    
     
      r
      T
     
     ⁢
     W
     ⁢
     r
    
    
     2
     ⁢
     
      ∑
      
       w
       
        j
        ,
        i
       
      
     
    
   
   ⁢
   
    
     (
     
      
       A
       T
      
      ⁢
      W
      ⁢
      A
     
     )
    
    
     -
     1
    
   
  
 

wherein A is a system matrix including coordinates of the measurement samples, r is a vector including the deviations of the weighted cells from the one or more lines, Σ is a matrix including variances and covariances of the line parameters and W is a matrix including weight matrices corresponding to the one or more lines according to, W
   =
   
    [
    
     
      
       
        W
        
         j
         =
         1
        
       
      
      
       0
      
      
       0
      
     
     
      
       0
      
      
       ⋱
      
      
       0
      
     
     
      
       0
      
      
       0
      
      
       
        W
        
         j
         =
         K
        
       
      
     
    
    ]
   
  
  ,
 

wherein K is the number of lines.