What term describes the signal strength increase due to antenna gain?

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Prepare for the Unmanned Aircraft System (UAS) Exam with flashcards and multiple choice questions. Each question includes hints and explanations for better understanding. Get ready to ace your exam!

Multiple Choice

What term describes the signal strength increase due to antenna gain?

Explanation:
Antenna gain describes the signal strength increase in the direction the antenna is aimed. It measures how much the antenna concentrates energy compared to a reference radiator, so the received signal in that direction is stronger and the link budget improves. The other terms refer to different things: impedance is the resistance the antenna presents to the transmitter, bandwidth is the range of frequencies the system can use effectively, and impedance matching is about maximizing power transfer between source and load. None of those describe the directional boost that comes from gain, which is why the correct term is antenna gain.

Antenna gain describes the signal strength increase in the direction the antenna is aimed. It measures how much the antenna concentrates energy compared to a reference radiator, so the received signal in that direction is stronger and the link budget improves. The other terms refer to different things: impedance is the resistance the antenna presents to the transmitter, bandwidth is the range of frequencies the system can use effectively, and impedance matching is about maximizing power transfer between source and load. None of those describe the directional boost that comes from gain, which is why the correct term is antenna gain.

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