

ii- find the radiation resistance.

v- design a non-uniform linear array to have the pattern :

E = [(sin(3Ψ/2))/(sin(Ψ/2))]2

where Ψ=πcosφ , and φ is measured from the array line , namely find the number of elements , the element spacing , and the current amplitudes , also what is the relative side lobe level ? (note this one been answerd but there was a mistake from me in typing the question so i resubmit it here)


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