Performance Comparison of Reflector- and Planar-Antenna Based Digital Beam-Forming SAR

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="614931.fig.001a" src="https://static.hindawi.com/articles/ijap/volume-2009/614931/figures/614931.fig.001a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Planar system</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="614931.fig.001b" src="https://static.hindawi.com/articles/ijap/volume-2009/614931/figures/614931.fig.001b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Reflector system</td></tr></table></td></tr></table>

<table>MultiAzimuth channels yield identical wide Doppler span for each channels in case of the planar system (a), and narrow Doppler spans of different Doppler centroid in the case of the reflector system (b).</table>

International Journal of Antennas and Propagation

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Figure 1

Figure 1: Performance Comparison of Reflector- and Planar-Antenna Based Digital Beam-Forming SAR 