Engineering, 01.08.2020 20:01 bdog70
Consider the following amplitudemodulation(AM)transmission system. The input signal isν₯ν‘=%&'+*+.We first multiply ν₯(ν‘)by ννν (4ν‘). That is, ν¦ν‘=ν₯ν‘β ννν (4ν‘).The transmitter then transmits signal ν¦(ν‘)through the antenna. At the receiver side, we first multiply ν¦(ν‘)by 2ν νν(4ν‘). That is ν§(ν‘)=ν¦(ν‘)Β·2ν νν(4ν‘)and then pass ν§(ν‘)through a low pass filter with cutoff frequency ν=7.5ννν/ν νν. Denote the final output by ν€(ν‘)=ν§(ν‘)*hνΏννΉ(ν‘). 1.Plot the CTFT ν(νν)of ν€(ν‘)for the range of -10<ν<10. 2.Find the expression of ν€(ν‘)
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Consider the following amplitudemodulation(AM)transmission system. The input signal isν₯ν‘=%&'+*+....
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