伪距差分定位

伪距差分定位

(1) r P r s = ( ρ r s + I r s + T r ) + c ( d t r d t s ) + ε P b P b s = ( ρ b s + I b s + T b ) + c ( d t b d t s ) + ε P \begin{aligned} 测站r:P_{r}^{s} &= (\rho_r^s+I_{r}^{s}+T_r)+c(dt_r-dt^s)+ \varepsilon_P \\ 测站b:P_{b}^{s} &= (\rho_b^s+I_{b}^{s}+T_b)+c(dt_b-dt^s)+ \varepsilon_P\tag{1}\\ \end{aligned}
星间单差消除卫星钟差,对流层和电离层延迟可得:
(2) P r b s = ρ r b s + c d t r b + 2 ε P \begin{aligned} P_{rb}^{s} &= \rho_{rb}^s+cdt_{rb}+ \sqrt{2}\varepsilon_P \\\tag{2} \end{aligned}

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