B-A uniform array of 20 isotropic elements is placed along the z-axis a distance N4 apart with a progressive phase shift of ß rad. Calculate ß and directivity then write the array factor (AF) for the following array designs: (i) broadside (ii) end-fire with maximum at 0o = 0 (iii) end-fire with maximum at 00: = 180°
B-A uniform array of 20 isotropic elements is placed along the z-axis a distance N4 apart with a progressive phase shift of ß rad. Calculate ß and directivity then write the array factor (AF) for the following array designs: (i) broadside (ii) end-fire with maximum at 0o = 0 (iii) end-fire with maximum at 00: = 180°
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Transcribed Image Text:B- A uniform array of 20 isotropic elements is placed along the z-axis a distance 2/4 apart with a
progressive phase shift of ß rad. Calculate ß and directivity then write the array factor (AF) for
the following array designs:
(i) broadside
(ii) end-fire with maximum at 0o = 0°
(iii) end-fire with maximum at 00
=
180°
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