IFB Fluctuation Trend Fitting

Brian Breitsch

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2018 April 7

Weekly Seminar:

The Effect

There is some frequency-dependent error that is related to the satellite position / orientation relative to the Earth and Sun.

GIFC for Many Stations Over 3 Days

We Model GIFC As:

\text{GIFC}_i(t) = b_i + \sum_k \left(c_k \cos k\omega t + s_k \sin k \omega t\right)
GIFCi(t)=bi+k(ckcoskωt+sksinkωt)\text{GIFC}_i(t) = b_i + \sum_k \left(c_k \cos k\omega t + s_k \sin k \omega t\right)
y = A x
y=Axy = A x

And We Fit It...

GPS

Beidou (geo-sync)

Beidou (14-hour)

Weekly-Seminar 2018-04-13

By Brian Breitsch

Weekly-Seminar 2018-04-13

IFB Trend Fitting

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