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According to the perspective of QPSK digital signal processing, design a block diagram for the given...

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Electrical Engineering

According to the perspective of QPSK digital signal processing,design a block diagram for the given diagram belowand explain for the given diagram (how does the signal gothrough the given diagram).

The following figure is a  homodyne detection forcoherent optical fiber communications . Once is the signal fromlaser and the other one is the local oscillator. After the QPSKdemodulation, the electric field E will go through the photo diodedetection. (you dont have to consider the photodiode in the blockdiagram design,but if you know how to do that, please do so :))

The thumbs up will be guaranteed if you state youranswer clearly :)

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