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 P_r = {{P_t G_t  A_r \sigma F^4}\over{{(4\pi)}^2 R_t^2R_r^2}}
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 P_r = {{P_t G_t  A_r \sigma F^4}\over{{(4\pi)}^2 R_t^2R_r^2}}
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\label{radarova_rovnice}
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\label{radarova_rovnice}
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\end{equation}
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\end{equation}
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where
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Kde
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\begin{description}
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* ''P''<sub>t</sub> = transmitter power
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\item[P_t] = transmitter power
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\end{description}
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*
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* ''G''<sub>t</sub> = [[gain]] of the transmitting antenna
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* ''G''<sub>t</sub> = [[gain]] of the transmitting antenna
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* ''A''<sub>r</sub> = effective aperture (area) of the receiving antenna
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* ''A''<sub>r</sub> = effective aperture (area) of the receiving antenna
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* ''σ'' = [[radar cross section]], or scattering coefficient, of the target
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* ''σ'' = [[radar cross section]], or scattering coefficient, of the target
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* ''F'' = pattern propagation factor
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* ''F'' = pattern propagation factor
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* ''R''<sub>t</sub> = distance from the transmitter to the target
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* ''R''<sub>t</sub> = distance from the transmitter to the target