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

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

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

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

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

$$P_r={为RX为}^2{G}_r$$