字符计数指示符

Embed This Widget

Theme


      
    


    
    

      Widget powered by
      .
      Free, no account required.
    

  







  
  
  

    又称:
    
    count indicator
    
    length field
    
  

  

  
  
A variable-length bit field following the mode indicator that specifies the number of characters in the data segment. The bit length depends on the version and mode: 10/12/14 bits for numeric, 9/11/13 for alphanumeric, 8/16/16 for byte.


  



  

  
  
  
  

  
  
  
  

    
相关术语

    

      
      Encoding Mode
      
      Mode Indicator
      
    

  

  
  

  
  
  

    
Related Content

    

      
      
        

          
          
编码模式：数字、字母数字、字节、汉字和ECI

          
          QR Code Fundamentals
          
        

        
        
        
…mode switch costs a 4-bit mode indicator plus a character count indicator. Choosing the Right Mode Most QR code libraries handle…

        
      
      
      
        

          
          
QR Code数据容量：按版本和模式的最大字符数

          
          QR Code Fundamentals
          
        

        
        
        
…mode Add overhead: mode indicator (4 bits), character count indicator (varies), and terminator Add error correction codewords…

        
      
      
      
        

          
          
QR Code编码算法：逐步实现

          
          QR Code Development
          
        

        
        
        
…directly Prepend the mode indicator (4 bits) and character count indicator (variable length by version). Step 4: Error Correction Pad…