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“Ground Effects” in antenna effects ________

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“Ground Effects” in antenna effects ________

(a) antenna’s radiation

(b) antenna’s gain

(c) antenna’s SWR

(d) antenna’s power

I had been asked this question in an interview for internship.

This intriguing question originated from Synchronous TDM topic in division Multiplexing & Sampling of Bandpass Signal of Analog Communications

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Correct choice is (a) antenna’s radiation

For explanation I would say: Ground generally reflects the wave back that comes to it. It also affects antenna by effecting the radiation. The radiation intensity of an antenna is determined by comparing it with that of isotropic antenna.

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