Across
- 5. Continuously varying signal
- 7. Wireless communication
- 8. Signal defined for all values of âtâ
- 9. This type of signal can be modeled mathematically
- 13. Range of frequencies
- 14. Can both transmit and receive signal
- 17. Converts message signal into electrical form
- 18. EM waves can propagate through_________
- 19. Difference between upper and lower frequency limit of a signal
- 20. Information travels in one direction in this system
- 21. This type of signal has finite non zero power
Down
- 1. Process of modifying another high frequency signal
- 2. modulated signal is also known as _______ signal
- 3. Communication without modulation
- 4. signal which repeats itself after a certain interval of time is _ signal
- 6. Random undesired electrical energy interfering a signal
- 8. Exchange of information
- 10. Original information signal
- 11. Barrier in human communication
- 12. Information to be sent is impressed over a _____ signal
- 15. Physical medium through which signal is sent from one place to another
- 16. Bandwidth of channel should be____than bandwidth of signal