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. Author manuscript; available in PMC: 2009 Jul 9.
Published in final edited form as: IEEE Trans Automat Contr. 2008 Jan 1;53:177–188. doi: 10.1109/TAC.2007.911364

Fig. 7.

Fig. 7

Numerical experimental PRCs. Each plot contains the phase shifts for the numerical experimental PRC (pluses), pIPRCL-predicted PRC (solid gray line), and APRCL-predicted PRC (dotted black line). The signal is sinusoidal and its active part lasts 1 hour for the first row, 3 hours for the second row, and 6 hours for the third row. The signal maximum is at 10%, 50%, and 100% of full light, respectively. Notice the different scales on the y-axes.