MCQOPTIONS
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| 1. |
The bidirectional pattern of a broadside array can be converted into unidirectional by |
| A. | maintaining the distance of /4 between the elements |
| B. | maintaining the distance of /2 between the elements |
| C. | installing an identical array behind the main array at distance /4 and exciting it by current leading in phase by 90 |
| D. | installing an identical array behind the main array at distance /2 and exciting it by current leading in phase by 120 |
| Answer» D. installing an identical array behind the main array at distance /2 and exciting it by current leading in phase by 120 | |