Trường Galois

Embed This Widget

Theme


      
    


    
    

      Widget powered by
      .
      Free, no account required.
    

  







  
  
  

    Còn được gọi là:
    
    GF(256)
    
    finite field
    
  

  

  
  
The finite field GF(2^8) = GF(256) used in QR code Reed-Solomon calculations. All arithmetic operations (addition, multiplication) on codeword symbols are performed in this field using a generator polynomial of degree 8.


  



  

  
  
  
  

  
  
  
  

    
Thuật ngữ liên quan

    

      
      Reed-Solomon Code
      
      Generator Polynomial
      
    

  

  
  

  
  
  

    
Related Content

    

      
      
        

          
          
Sửa lỗi Reed-Solomon trong QR Codes

          
          QR Code Fundamentals
          
        

        
        
        
…Reed-Solomon (RS) error correction , a block code based on finite field arithmetic. What Reed-Solomon Does RS codes add redundant…

        
      
      
      
        

          
          
Mã Reed-Solomon: Toán học đằng sau sửa lỗi QR

          
          Error Correction & Data Integrity
          
        

        
        
        
…All RS arithmetic in QR codes operates over GF(256) — a finite field with exactly 256 elements (0 to 255). This field is…