spaceloss.m

卫星链路的计算

function loss = spaceloss(dis,f)
% this function caculate the loss through free space
% dis: distance from transmitter to receiver (km)
% f: tranmitting frequency (GHz)

% loss = (4*pi*dis/lamda)^2;
loss = 92.45 + 20*log10(dis) + 20*log10(f);