Patent ID: 11878188
Assignee: WASHINGTON UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC A  G | IPC A  G

Claim 4:
5. The method of claim 4, wherein the center frequency offset Δf is calculated using the equation:, Δ
   ⁢
   f
  
  =
  
   
    1
    
     2
     ⁢
     
      π
      ⁡
      (
      
       N
       -
       k
       +
       1
      
      )
     
    
   
   ⁢
   
    
     ∑
     
      i
      =
      k
     
     N
    
    
     
      d
      ⁡
      (
      
       
        ϕ
        
         new
         ,
         i
        
       
       -
       
        ϕ
        
         ref
         ,
         i
        
       
      
      )
     
     dt, where ϕnew is a most recent unaliased FID navigator phase, and ϕref is an unaliased reference FID navigator phase.