Socrates Point

At $t_{0}$ , solve $θ_{A} (t) = α (t)$ and $ϕ_{A} (t) = δ (t)$ to optimize $L_{b} = E I R P - 20 \log_{10} (d) + G_{R} - L_{p}$ , ensuring $SNR \geq \frac{P_{s}}{N_{0}}$ and $B E R \leq 10^{- 9}$ under $Δ f$ .