ion frequencies if trialave=1)</span>
0048 <span class="comment">%       S12 (cross spectrum -  frequencies x trials if trialave=0; dimension frequencies if trialave=1)</span>
0049 <span class="comment">%       S1 (spectrum 1 - frequencies x trials if trialave=0; dimension frequencies if trialave=1)</span>
0050 <span class="comment">%       S2 (spectrum 2 - frequencies x trials if trialave=0; dimension frequencies if trialave=1)</span>
0051 <span class="comment">%       f (frequencies)</span>
0052 <span cla