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  • Punctual time(s) (s)
  • Sky drift model(Linear Model,y=kT+b)
  • k(Drift Coefficient,Unit:1E-9/day)
    -+
    b(Initial accuracy,Unit:1E-9)
    -+
    Punctuality Result Calculation
    ns
  • Quadratic item model(y=aT2+bT+c)
  • a(Twice the rate of frequency drift change,Unit:1E-9/(day*day))
    -+
    b(Timekeeping Time Frequency Initial Day Drift,Unit:1E-9/day)
    -+
    c(Punctuality, timing, frequency, initial accuracy,Unit:1E-9)
    -+
    Punctuality Result Calculation
    ns
  • Logarithmic Model(a*logT +b)
  • a(Drift Coefficient,Unit:1E-9/day)
    -+
    b(Punctuality, timing, frequency, initial accuracy,Unit:1E-9)
    -+
    T1(Punctual start time,greater than 0,unit:s)
    T2(Punctual end time,Unit:s)
    Punctuality result calculation
    ns

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