| 摘要 |
<p>The separation of an adjacent band pass filters (11, 12, 13, 14, 15) is improved, without changing the filters, by inverting (21, 22) the output signals from alternate filters (12, 14) and not inverting the remaining output signals. All the output signals are then summed (17). The result is a deeper notch in the frequency response of adjacent filters.</p> |
