Patent ID: 11944967
Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC B  G | IPC B  G

Claim 12:
13. The method of claim 1, wherein the second electrical field waveform is characterized as, {
  
   
    U
    
     
      ac
      ⁢
      _
     
     ⁢
     2
    
   
   ×
   
    1
    2
   
   ⁢
   
    {
    
     
      sgn
       
      [
      
       sin
       ⁢
       
        (
        
         
          
           2
           ⁢
           π
          
          τ
         
         ⁢
         t
        
        )
       
      
      ]
     
     -
     1
    
    }
   
   ×
   sin
   ⁢
   
    (
    
     2
     ⁢
     
      π
      ⁢
      ft
     
    
    )
   
  
  }
 

where Uac_2 is an amplitude of the second electrical field waveform.