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.007a" src="https://static.hindawi.com/articles/ijap/volume-2009/614931/figures/614931.fig.007a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Azimuth patterns</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="614931.fig.007b" src="https://static.hindawi.com/articles/ijap/volume-2009/614931/figures/614931.fig.007b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Elevation patterns</td></tr></table></td></tr></table>

<table>Transmit (solid line) and receive patterns (dashed line) of the planar antenna system in azimuth and elevation. All patterns are normalized to the maximum gain of the uniformly tapered receive array.</table>

International Journal of Antennas and Propagation

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Figure 7

Figure 7: Performance Comparison of Reflector- and Planar-Antenna Based Digital Beam-Forming SAR 