End of Module Test - ATC Surveillance Sources

If the diameter of a dish antenna is doubled, keeping all other parameters fixed, then how the gain of the dish will change?

Assuming a constant antenna size, how would the radar beamwidth change if the frequency increases from L-band to Ka-band? A. The beamwidth decreases B. The beamwidth increases C. The beamwidth stays the same D. Not enough information is given

What are the major features of the antenna far-field?

Noise is added to a signal in a communication system a. At the receiving end b. At transmitting antenna c. In the channel d. During regeneration of the information

Name all the phenomena affecting free space propagation of electromagnetic signals.