Phased Arrays - MATLAB Simulations for Radar Systems Design - page 385

tickdB=-10*(rticks-1); % the innermost tick dB value
for i=(rmin+rinc):rinc:rmax
hhh = plot(xunit*i,yunit*i,ls,'color',tc,'linewidth',1,...
'handlevisibility','off');
text((i+rinc/20)*c82*0,-(i+rinc/20)*s82, ...
[' ' num2str(tickdB) ' dB'],'verticalalignment','bottom',...
'handlevisibility','off')
tickdB=tickdB+10;
end
set(hhh,'linestyle','-') % Make outer circle solid
% plot spokes
th = (1:6)*2*pi/12;
cst = cos(th); snt = sin(th);
cs = [-cst; cst];
sn = [-snt; snt];
plot(rmax*cs,rmax*sn,ls,'color',tc,'linewidth',1,...
'handlevisibility','off')
% annotate spokes in degrees
rt = 1.1*rmax;
for i = 1:length(th)
text(rt*cst(i),rt*snt(i),int2str(i*30),...
'horizontalalignment','center',...
'handlevisibility','off');
if i == length(th)
loc = int2str(0);
else
loc = int2str(180+i*30);
end
text(-rt*cst(i),-rt*snt(i),loc,'horizontalalignment','center',...
'handlevisibility','off')
end
% set view to 2-D
view(2);
% set axis limits
axis(rmax*[-1 1 -1.15 1.15]);
end
% Reset defaults.
set(cax, 'DefaultTextFontAngle', fAngle , ...
'DefaultTextFontName', fName , ...
'DefaultTextFontSize', fSize, ...
'DefaultTextFontWeight', fWeight, ...
'DefaultTextUnits', fUnits );
% Transfrom data to dB scale
rmin = 0; rmax=1;