function sweepDp(opt, sigAC, sigDC, prbI, prbQ)

%%
test=0;
%%
if test
   prbI = pr.REFL_1I;
   prbQ = pr.REFL_1Q;
end
%%
driveNames = {'ETMX','ETMY','ITMX','ITMY','PRM','SRM'};
cDrvNames = {'DARM','CARM','MICH','PRC','SRC'};
mDrv = [1,-1,0,0,0,0; %DARM
        1,1,0,0,0,0;  %CARM
        1,-1,-1,1,0,0;%MICH
        0,0,0,0,1,0;  %PRC
        0,0,0,0,0,1]; %SRC
    
%% I Q Signals
iPrb=[prbI, prbQ];
iDrv=getDriveNumbers(opt,driveNames);

sigIc = sigAC(prbI,iDrv)*mDrv';
sigQc = sigAC(prbQ,iDrv)*mDrv';
phaseOrigin = conj(sigIc/abs(sigIc));
sigI0 = real(sigIc .* phaseOrigin);
sigQ0 = real(sigQc .* phaseOrigin);
ofsI0 = sigDC(prbI);
ofsQ0 = sigDC(prbQ);


%% Plot
Ndrv=length(cDrvNames);

[colors, styles]=pickLineStyle(Ndrv,[1;10],[1]);

th=linspace(0,2*pi,100);
sigI = cos(th)' * sigI0 - sin(th)' * sigQ0;
sigQ = sin(th)' * sigI0 + cos(th)' * sigQ0;
ofsI = cos(th)' * ofsI0 - sin(th)' * ofsQ0;
ofsQ = sin(th)' * ofsI0 + cos(th)' * ofsQ0;

figure(1)
hold on
for ii=1:Ndrv
    h=plot(180*th/pi, sigI(:,ii));
    %legend(h,cDrvNames(ii));
    set(h,'Color', colors(ii,:),'LineStyle',styles{ii}, ...
        'DisplayName', cDrvNames{ii});
end
legend('show');
grid on;

figure(2)
hold on

h=plot(180*th/pi, ofsI);
legend(h,'Offset');
grid on;