传播模型

$PL\left(d,\phi \right)=P{L}_0\left(d_0,\phi \right)+10\times n\left(\phi \right)\times \log \left(d/d_0\right)+X_{\delta }\left(d,\phi \right)$

传播公式

不分区

$PL=P{L}_0+10\times 3.4871\times \log \left(d/d_0\right)-0.0039$

P1

$PL=P{L}_0+10\times 1.5524\times \log \left(d/d_0\right)-0.0161,d=1~7,\phi =180~360$

P2

$PL=P{L}_0+10\times 2.7612\times \log \left(d/d_0\right)-0.0043,d=5~11,\phi =180~360$

P3

$PL=P{L}_0+10\times 3.6024\times \log \left(d/d_0\right)-0.0392,d=7~18,\phi =202.4~360$

P4

$PL=P{L}_0+10\times 3.9820\times \log \left(d/d_0\right)-0.0002,d=11~18,\phi =210.5~240.9;299.6~345$

P5

$PL=P{L}_0+10\times 4.7539\times \log \left(d/d_0\right)-0.0323,d=15~18,\phi =317.7~335.5$

P6

$PL=P{L}_0+10\times 5.2599\times \log \left(d/d_0\right)-0.0038,d=18~20,\phi =323.9~339.3$