Cross-Communication

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Across
  1. 3. EM waves can propagate through_________
  2. 8. Random undesired electrical energy interfering a signal
  3. 9. Converts message signal from medium into a form understandable by humans
  4. 12. Continuously varying signal
  5. 13. Process of modifying another high frequency signal
  6. 14. Original information signal
  7. 18. Barrier in human communication
  8. 20. Information to be sent is impressed over a _____ signal
  9. 21. Can both transmit and receive signal
Down
  1. 1. This type of signal can be modeled mathematically
  2. 2. Bandwidth of channel should be____than bandwidth of signal
  3. 4. Wireless communication
  4. 5. Signal defined for all values of ‘t’
  5. 6. This type of signal has finite non zero power
  6. 7. Original information signal is known as _______ signal
  7. 10. Physical medium through which signal is sent from one place to another
  8. 11. Difference between upper and lower frequency limit of a signal
  9. 15. Range of frequencies
  10. 16. Information travels in one direction in this system
  11. 17. Exchange of information
  12. 19. Converts message signal into electrical form