A Bistatic Imaging Method for GEOSAR in the Strip Mode and UAVSAR in the Steering Beam Mode

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">GEOSAR altitude</td><td class="align_center">36,000 km</td></tr><tr><td class="align_left">Wavelength</td><td class="align_center">0.03 m (X-band)</td></tr><tr><td class="align_left">Bandwidth</td><td class="align_center">80 MHz</td></tr><tr><td class="align_left">Pulse duration</td><td class="align_center">20 <i>μ</i>s</td></tr><tr><td class="align_left">UAVSAR altitude</td><td class="align_center">8000 m</td></tr><tr><td class="align_left">Antenna size of UAVSAR</td><td class="align_center">2 m</td></tr><tr><td class="align_left">UAVSAR velocity</td><td class="align_center">200 m/s</td></tr><tr><td class="align_left">Azimuth aperture angle in the case of the receiver’s spotlight mode</td><td class="align_center">12°</td></tr><tr><td class="align_left">The beam velocity of UAVSAR in the sliding spotlight mode</td><td class="align_center">140 m/s</td></tr><tr><td class="align_left">The beam velocity of UAVSAR in the TOPS mode</td><td class="align_center">270 m/s</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

International Journal of Antennas and Propagation

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Table 2

Table 2: A Bistatic Imaging Method for GEOSAR in the Strip Mode and UAVSAR in the Steering Beam Mode 