ISAR Autofocus Imaging Algorithm for Maneuvering Targets Based on Phase Retrieval and Keystone Transform

<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">Parameter name</td><td class="align_center">Symbol</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">The initial range of the target</td><td class="align_center"><i>R</i><sub>0</sub></td><td class="align_center">10 km</td></tr><tr><td class="align_left">Carrier frequency</td><td class="align_center"><i>f</i><sub>c</sub></td><td class="align_center">3 <i>GHz</i></td></tr><tr><td class="align_left">Frequency bandwidth</td><td class="align_center"><i>B</i></td><td class="align_center">190 MHz</td></tr><tr><td class="align_left">Pulse repetition frequency</td><td class="align_center"><i>PRF</i></td><td class="align_center">35 <i>KHz</i></td></tr><tr><td class="align_left">Number of pulses</td><td class="align_center"><i>N</i><sub>pulse</sub></td><td class="align_center">128</td></tr><tr><td class="align_left">Number of bursts</td><td class="align_center"><i>M</i><sub>burst</sub></td><td class="align_center">256</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The radar parameters for SFCW (stepped frequency continuous wave) illumination.</div>

International Journal of Antennas and Propagation

tab1

Table 1

Table 1: ISAR Autofocus Imaging Algorithm for Maneuvering Targets Based on Phase Retrieval and Keystone Transform 