A. |
<img src="/_files/images/electronics-and-communication-engineering/communication-systems/534-934-3.png"> |
B. |
<img src="/_files/images/electronics-and-communication-engineering/communication-systems/534-934-4.png"> |
C. |
<img src="/_files/images/electronics-and-communication-engineering/communication-systems/534-934-5.png"> |
D. |
<img src="/_files/images/electronics-and-communication-engineering/communication-systems/534-934-6.png"> |