function plotsinewave(time, sine)
% plot precomputed sinewave
% time: vector with timepoints
% sine: corresponding vector with sinewave 
if time(end)-time(1) <= 1.0
	plot(1000.0*time, sine);
	xlabel('Time [ms]');
else
	plot(time, sine);
	xlabel('Time [s]');
end
ylim([1.2*min(sine) 1.2*max(sine)]);
ylabel('Sinewave');