Question: use matlab: Suppose that the loop transfer function of a large antenna is given by: L(s)=Gc(s)G(s)=ka/(s 1)*( _n^2)/s(s^2 2_n s _n^2 ) where =0.2, =0.707,

use matlab: Suppose that the loop transfer function of a large antenna is given by: L(s)=Gc(s)G(s)=ka/(s 1)*( _n^2)/s(s^2 2_n s _n^2 ) where =0.2, =0.707, and _n=1 rad/s. Sketch the root locus of the system as 0k_a<. Determine the maximum allowable gain of k_a for a stable system

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