An Efficient Signal Reconstruction Algorithm for Stepped Frequency MIMO-SAR in the Spotlight and Sliding Spotlight Modes

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Center frequency</td><td align="center">9.6 GHz</td></tr><tr><td align="left">Acquisition time</td><td align="center">10 s</td></tr><tr><td align="left">PRF</td><td align="center">450 Hz</td></tr><tr><td align="left">Center frequency of subband 1</td><td align="center">9.45 GHz</td></tr><tr><td align="left">Step frequency</td><td align="center">300 MHz</td></tr><tr><td align="left">Platform velocity</td><td align="center">97 m/s</td></tr><tr><td align="left">Center distance of scene</td><td align="center">20 km</td></tr><tr><td align="left">Azimuth baseline</td><td align="center">0.22 m</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Main system parameters of constructed data.

International Journal of Antennas and Propagation

tab4

Table 4

Table 4: An Efficient Signal Reconstruction Algorithm for Stepped Frequency MIMO-SAR in the Spotlight and Sliding Spotlight Modes 