Analog Beamforming and Digital Beamforming on Receive for Range Ambiguity Suppression in Spaceborne SAR

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijap/volume-2015/182080/figures/182080.fig.004a.svgz" name="182080.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Without subaperture antenna pattern adjusting</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijap/volume-2015/182080/figures/182080.fig.004b.svgz" name="182080.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Subaperture antenna pattern adjusting</td></tr></table>

<div>Antenna patterns of the whole receive antenna.</div>

International Journal of Antennas and Propagation

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Figure 4

Figure 4: Analog Beamforming and Digital Beamforming on Receive for Range Ambiguity Suppression in Spaceborne SAR 