Let M(t) be a wide sense stationary random process with average power E[M2(t)] = q and power spectral density SM ( f ). The Hilbert transform of M(t) is
(t), a signal obtained by passing M(t) through a linear time-invariant filter with frequency response
![](https://test.transtutors.com/qimg/1c711b65-a7fa-4c5c-a7f5-dbd55c5f8396.png)
(a) Find the power spectral density S
(f) and the average power
= E[
2(t)].
(b) In a single sideband communications system, the upper sideband signal is
![](https://test.transtutors.com/qimg/39307780-b45a-44fd-97f9-a262017f3f2c.png)
Where ? has a uniform PDF over [0, 2π ), independent of M(t) and Mˆ (t). What is the average power E[U2(t)]?