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. Author manuscript; available in PMC: 2010 Apr 13.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2010;57(2):340–352. doi: 10.1109/TUFFC.2010.1414

Fig. 2.

Fig. 2

Power spectra estimates using (a) a Hanning window periodogram, (b) a Hamming window periodogram, (c) a rectangular window periodogram, (d) the Welch method, and (e) the multitaper method.