= A wireless service provider transmits a signal s(t) 5 cos(2 fet) to a receiver, where...
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= A wireless service provider transmits a signal s(t) 5 cos(2π fet) to a receiver, where fe is a variable carrier frequency. The impulse response of the channel linking transmitter and receiver is c(t) = 0.808(t-Ta) -0.478(t-T₁) 10-⁹ sec. where Td = 270 nsec, T₁ = 430 nsec, and "nsec" (a) Compute the simplest math expression for the magnitude-squared frequency response | C(f) | 2. (b) Suppose the service provider is allocated the spectrum range from 15 ≤ f ≤ 25 MHz. Plot |C(f) | 2 over this range. = (c) Over this range, which carrier frequency would provide the strongest signal at the receiver? Which carrier frequency would provide the weakest signal at the receiver? = A wireless service provider transmits a signal s(t) 5 cos(2π fet) to a receiver, where fe is a variable carrier frequency. The impulse response of the channel linking transmitter and receiver is c(t) = 0.808(t-Ta) -0.478(t-T₁) 10-⁹ sec. where Td = 270 nsec, T₁ = 430 nsec, and "nsec" (a) Compute the simplest math expression for the magnitude-squared frequency response | C(f) | 2. (b) Suppose the service provider is allocated the spectrum range from 15 ≤ f ≤ 25 MHz. Plot |C(f) | 2 over this range. = (c) Over this range, which carrier frequency would provide the strongest signal at the receiver? Which carrier frequency would provide the weakest signal at the receiver?
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