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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2010 Apr 8;18(3):274–283. doi: 10.1109/TNSRE.2010.2047593

Fig. 7.

Fig. 7

CoP and PLL phase shifts versus normalized frequency. The r2 value for the CoP linear regression is 0.36 and for the PLL linear regression is 0.53.