where
P =
received power (W)
Pt
= transmitted power (W)
Gt
= gain ratio of transmitting antenna relative to an isotropic
radiator
Gr
= gain ratio of receiving antenna relative to an isotropic
radiator
λ =
wavelength (m)
d =
distance between antennas (m)
4)
Effective Radiated Power
ERP =
G x Pi
where G = gain of
transmitting antenna relative to an isotropic radiator
Pi = input power (W)
See Also:
Math Used
in ECE
