aper
1 - unweighted, wt =1 for all tapers
2 - wt by the eigenvalue of DPSS</p>
</dd>
</dl>
<p><strong>Returns</strong></p>
<dl class="simple">
<dt>spec<span class="classifier">ndarray [nfft]</span></dt><dd><p>real vector containing adaptively weighted spectrum</p>
</dd>
<dt>se<span class="classifier">ndarray [nfft]</span></dt><dd><p>real vector containing the number of degrees of freedom
for the spectral estimate at each frequency.</p>
</dd>
<dt>wt<span class="classifier">ndarray [nfft,kspec]</span></dt><dd