Patent ID: 11892587
Assignee: CHINESE ACADEMY OF GEOLOGICAL SCIENCES
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 14:
15. The distributed 3D IP data acquisition and processing method according to claim 12, wherein the apparent resistivity Ps is specifically computed as follows:, P
    s
   
   =
   
    
     K
      
     ·
     V
    
    I
   
  
  ;, and, K
   =
   
    
     2
     ⁢
     π
    
    
     
      1
      
       A
       ⁢
       M
      
     
     -
     
      1
      
       A
       ⁢
       N
      
     
     -
     
      1
      
       B
       ⁢
       M
      
     
     +
     
      1
      
       B
       ⁢
       N
      
     
    
   
  
  ,
 

wherein, A and B are the transmitting electrodes, M and N are the receiving electrodes, AM represents a distance between the transmitting electrode A and the receiving electrode M, AN represents a distance between the transmitting electrode A and the receiving electrode N, BN represents a distance between the transmitting electrode B and the receiving electrode N, BM represents a distance between the transmitting electrode B and the receiving electrode M, π represents a circular constant, V represents a measured potential difference, I represents a transmitting current, and K represents a dimensionless coefficient associated with a position of each of the transmitting electrodes and the receiving electrodes.