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Q#1
Random Variable and Random Process
GATE EC 2017
MCQ
+2 marks
-0.66 marks
Let X(t) be a wide sense stationary random process with the power spectral density as shown in Figure (a), where f is in Hertz (Hz). The random process X(t) is input to an ideal lowpass filter with the frequency response as shown in
Figure (b). The output of the lowpass filter is Y(t).
Let E be the expectation operator and consider the following statements:
I. E(X(t)) = E(Y(t))
II.
III.
Select the correct option:
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| Topic | Questions | Attempted | Correct | |
|---|---|---|---|---|
| Network Analysis | 273 | 0 | 0 | |
| Electronic Devices | 69 | 0 | 0 | |
| Analog Electronics | 395 | 0 | 0 | |
| Digital Electronics | 351 | 0 | 0 | |
| Signals and Systems | 22 | 0 | 0 | |
| Control Systems | 224 | 0 | 0 | |
| Communication System | 200 | 0 | 0 | |
| EMFT - ECE | 14 | 0 | 0 | |
| Engineering Mathematics | 24 | 0 | 0 | |
| General Aptitude | 30 | 0 | 0 |