n>

<span class="sd">    Parameters</span>
<span class="sd">    ----------</span>
<span class="sd">    x : np.ndarray [shape=(N, )], real or complex - valued</span>
<span class="sd">        Signal to be cross-correlated</span>

<span class="sd">    y : np.ndarray [shape=(N, )], real or complex - valued</span>
<span class="sd">        Signal to be cross-correlated</span>

<span class="sd">    win_len : int</span>
<span class="sd">        Cross correlation window, in samples</span>

<span class="sd">    Retur