Patent ID: 11860066
Assignee: XI'AN JIAOTONG UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G  F | IPC F  G

Claim 4:
5. The method according to claim 2, wherein in the third step (S3), a conversion matrix,, T
  =
  
   [
   
    
     
      ψ
      1
     
     
      ϕ
      
       btt
       ,
       1
      
     
    
    ,
     
    
     
      ψ
      2
     
     
      ψ
      
       btt
       ,
       2
      
     
    
    ,
    …
       
    ,
     
    
     
      ψ
      i
     
     
      ϕ
      
       btt
       ,
       i
      
     
    
    ,
    …
       
    ,
     
    
     
      ψ
      
       n
       m
      
     
     
      ϕ
      
       btt
       ,
       
        n
        m
       
      
     
    
   
   ], with the size being 2ndof×nd, of the single-point displacement and the full-field dynamic strains of the blade is constructed, wherein ϕbtt,i represents for an ith order displacement modal shape of a blade tip timing measuring point of the blade.