(a) Design a broadside Dolph - Tschebyscheff array of 8 elements with spacing of $d=\lambda / 2$ between the element and major to minor lobe ratio of 25 dB .
Explanation
The Dolph-Tschebyscheff array design is a widely used method for designing arrays with a specified major to minor lobe ratio. By using the Dolph-Tschebyscheff array design equations, we can determine the excitation coefficients and the array factor, and then determine the pattern of the array.
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