  Time data in column</span>
0017 <span class="comment">%            fs         Sampling frequency in Hz</span>
0018 <span class="comment">%            N          'Blocksize', as for Welch (see apsdw)</span>
0019 <span class="comment">%            winstr     String with window function, e.g. 'boxcar' (default)</span>
0020 <span class="comment">%            fmin       First frequency value</span>
0021 <span class="comment">%            fmax       Last frequency value</span>
0022 <span class="comment">%      