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Скачать SAMP AddonSolution: S = (P_t * G) / (4 * π * r^2) = (1 W * 10) / (4 * π * (100 m)^2) = 0.079 W/m^2
What is the wavelength of a radio wave with a frequency of 100 MHz? Solution: S = (P_t * G) / (4
Solution: λ = c / f = (3 x 10^8 m/s) / (2.45 x 10^9 Hz) = 0.122 m Solution: S = (P_t * G) / (4
S = (1 W * 10) / (4 * π * (100 m)^2) = 0.079 W/m^2 Solution: S = (P_t * G) / (4
An antenna has a gain of 10 dB and is used to transmit a signal at a frequency of 1 GHz. What is the power density of the signal at a distance of 100 m from the antenna?
Using the same formula as before:
Solution: S = (P_t * G) / (4 * π * r^2) = (1 W * 10) / (4 * π * (100 m)^2) = 0.079 W/m^2
What is the wavelength of a radio wave with a frequency of 100 MHz?
Solution: λ = c / f = (3 x 10^8 m/s) / (2.45 x 10^9 Hz) = 0.122 m
S = (1 W * 10) / (4 * π * (100 m)^2) = 0.079 W/m^2
An antenna has a gain of 10 dB and is used to transmit a signal at a frequency of 1 GHz. What is the power density of the signal at a distance of 100 m from the antenna?
Using the same formula as before: