( (min_sidelobe + zerodB)*cos(pi*theta/180), <span class="keyword">...</span>
      (min_sidelobe + zerodB)*sin(pi*theta/180),<span class="string">'k:'</span>)  <span class="comment">% min level</span>
text(-zerodB,0,<span class="string">'0 dB'</span>)
text(-(min_sidelobe + zerodB),0,sprintf(<span class="string">'%0.1f dB'</span>,min_sidelobe));
theta_1 = theta_tar+halfbeam;
theta_2 = theta_tar-halfbeam;
plot([0 55*cos(theta_tar*pi/180)], [0 55*sin(theta_tar*pi/180)], <span class="string">'k:'</span>)
plot(