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From Fundamentals of Acoustics text:

Problem 7.8.3:

(a) For an endfired line array, derive the

condition (7.8.18) that guarantees there will be only one major lobe. (b) Derive the similar condition (7.8.19) for a line array steered into a maximum angle (theta0) away from broadside.

Please show how to solve! Thanks!

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