Question & Answer: Antenna theory Analysis and Design 3rd edition chapter 6 number 21…..

PROBLEMS 375 A uniform array of 20 isotropic elements is placed along the z-axis a distance A/4 apart with a progressive phase of B B (give the answer in radians) for the following array designs: 621 (a) broadside (c) end-fire with maximum at 80 180 (d) phased array with maximum aimed at 30 (e) Hansen-Woodyard with maximum at 60 Hansen-Woodyard with maximum at 1800

Antenna theory Analysis and Design 3rd edition chapter 6 number 21

A uniform array of 20 isotropic elements is placed along the z-axis a distance lambda/4 apart with a progressive phase shift of beta rad. Calculate beta (give the answer in radians) for the following array designs: (a) broadside (b) end-fire with maximum at theta_0 = 0 degree (c) end-fire with maximum at theta_0 = 180 degree (d) phased array with maximum aimed at theta_0 = 30 degree (e) Hansen-Woodyard with maximum at theta_0 = 0 degree (f) Hansen-Woodyard with maximum at theta_0 = 180 degree

Expert Answer

2 2 20 nen 20

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