A Low-Cost Wideband Digital Array Antenna Based on Stretch Processing Technique

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Traditional wideband digital array</td><td class="align_center">Wideband digital array with stretch processing</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Bandwidth (MHz)</td><td class="align_center">500</td><td class="align_center">40</td></tr><tr><td class="align_left">Sampling rate (MHz)</td><td class="align_center">1200</td><td class="align_center">120</td></tr><tr><td class="align_left">ADC bits</td><td class="align_center">14</td><td class="align_center">16</td></tr><tr><td class="align_left">Data transmission rate per digital channel (Gbps)</td><td class="align_center">42 (1200 Mbps × 2 × 14/0.8)</td><td class="align_center">4.8 (120 Mbps × 2 × 16/0.8)</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of sampling rate and data transmission rate.</div>

International Journal of Antennas and Propagation

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Table 1

Table 1: A Low-Cost Wideband Digital Array Antenna Based on Stretch Processing Technique 