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<a accesskey="3" href="page.php?w=Bartlett%27s_method&amp;p=2">3.Next</a>
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<p>In <a href="page.php?w=time_series_analysis">time series analysis</a>, <b>Bartlett's method</b> (also known as the <b>method of averaged periodograms</b>), is used for estimating <a href="page.php?w=power_spectrum">power spectra</a>. It provides a way to reduce the variance of the <a href="page.php?w=periodogram">periodogram</a> in exchange for a reduction of resolution, compared to standard <a href="page.php?w=periodogram">periodogram</a>s. A final estimate of the spectrum at a given frequency is obtained by averaging the estimates from the</p><p>
<a accesskey="3" href="page.php?w=Bartlett%27s_method&amp;p=2">3.Next</a>
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