nts the real
 values and the second one the imaginary values. The output also contains one matrix for the real and one for the
 imaginary values. The results of the fourier transformations are appended to each other in the output.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>re</code> - Matrix object representing the real values</dd>
<dd><code>im</code> - Matrix object representing the imaginary values</dd>
<dd><code>windowSize</code> - Size of window</dd>
<dd><code>overlap</cod