What does "Aperture" refer to in the context of radar systems?

A. The opening through which radar waves are emitted
B. The size of the radar antenna
C. The maximum distance of radar detection
D. The frequency range of the radar system

Explanation:

In radar systems, the "aperture" refers to the size of the radar antenna, which affects the radar’s resolution and range.

Tags: Radar Systems MCQ, Electronics and Communication Engineering