Patent ID: 11914100
Assignee: SOUTHEAST UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 1:
2. The method for determining an inverse of gravity correlation time according to claim 1, comprising: when m=2, performing iterative calculation by using Formula (3), to obtain the inverse of gravity correlation time β:, β
      =
      
       
        [
        
         
          
           (
           
            1
            +
            
             
              β
              2
             
             /
             
              ω
              c
              2
             
            
           
           )
          
          m
         
         ⁢
         
          
           
            ω
            c
            4
           
           4
          
          [
          
           
            
             σ
             f
             2
            
            
             σ
             g
             2
            
           
           +
           
            
             ω
             c
             4
            
            ⁢
            
             
              σ
              h
              2
             
             
              σ
              g
              2
             
            
           
          
          ]
         
        
        ]
       
       
        1
        3
       
      
     
     ,
    
   
   
    
     (
     3
     ), and
When β<<ωc, simplifying Formula (3) as:, β
      ≈
      
       
        [
        
         
          
           ω
           c
           4
          
          4
         
         [
         
          
           
            σ
            f
            2
           
           
            σ
            g
            2
           
          
          +
          
           
            ω
            c
            4
           
           ⁢
           
            
             σ
             h
             2
            
            
             σ
             g
             2
            
           
          
         
         ]
        
        ]
       
       
        1
        3
       
      
     
     ,
    
   
   
    
     (
     4
     )
    
   
  
 

where Formula (4) is an explicit expression, and the inverse of gravity correlation time on the left can be obtained by calculating known quantities on the right.