(E)Element 8-39 Antenna Systems Flashcards
1
Q
Slotted waveguide arrays, when fed from one end exhibit:
A
frequency scan
2
Q
A typical shipboard RADAR antenna is a:
A
slotted waveguide array
3
Q
Good bearing resolution largely depends on:
A
a narrow antenna beam in a horizontal plane
4
Q
The center of the transmitted lobe from a slotted waveguide arrow is:
A
several degrees offset from a line perpendicular to the antenna
5
Q
Hoe does antenna length affect the horizontal beamwidth of the transmitted signal?
A
the longer the antenna the narrower the horizontal beamwidth
6
Q
What is the most common type of RADAR antenna used aboard commercial maritime vessels?
A
slotted waveguide array
7
Q
A
