$$\begin{array}{l}TX（：，：，1）＝T{X}_{\mathrm{\theta .}}＝\frac{E_{\mathrm{\theta .}}}{\sqrt{{\mathrm{\eta .}}_0}}·\sqrt{4\mathrm{\pi .}}·R·e^{j\mathrm{\gamma .}R}\\ TX（：，：，2）＝T{X}_{\mathrm{\phi .}}＝\frac{E_{\mathrm{\phi .}}}{\sqrt{{\mathrm{\eta .}}_0}}·\sqrt{4\mathrm{\pi .}}·R·e^{j\mathrm{\gamma .}R}\end{array}$$

$${为TX为}^2＝{\left|T{X}_{\mathrm{\theta .}}\right|}^2+{\left|T{X}_{\mathrm{\phi .}}\right|}^2＝E我RP＝P_t{G}_t$$

$$TX（：，：）＝\sqrt{G_t{R}_e｛Z_{我n}｝}．{我}_{我n}$$

$$pl＝\frac{\mathrm{\lambda .}}{4\mathrm{\pi .}R}·e^{-j\mathrm{\gamma .}R}$$

$$\begin{array}{l}RX（：，：，1）＝R{X}_{\mathrm{\theta .}}＝T{X}_{\mathrm{\theta .}}·pl＝\frac{E_{\mathrm{\theta .}}}{\sqrt{{\mathrm{\eta .}}_0}}·\frac{\mathrm{\lambda .}}{\sqrt{4\mathrm{\pi .}}}\\ RX（：，：，2）＝R{X}_{\mathrm{\phi .}}＝T{X}_{\mathrm{\phi .}}·pl＝\frac{E_{\mathrm{\phi .}}}{\sqrt{{\mathrm{\eta .}}_0}}·\frac{\mathrm{\lambda .}}{\sqrt{4\mathrm{\pi .}}}\end{array}$$

$$P_r＝{为RX为}^2{G}_r$$