Question: A 94-GHz automobile collision-avoidance radar uses a rectangular aperture antenna placed above the cars bumper. If the antenna is 1 m in length and 10

A 94-GHz automobile collision-avoidance radar uses a rectangular aperture antenna placed above the car’s bumper. If the antenna is 1 m in length and 10 cm in height,
(a) What are its elevation and azimuth beam widths?
(b) What is the horizontal extent of the beam at a distance of 300 m?

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