MIMO High Frequency Surface Wave Radar Using Sparse Frequency FMCW Signals

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/7514916/figures/7514916.fig.007a.svgz" name="7514916.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Sequential distribution</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/7514916/figures/7514916.fig.007b.svgz" name="7514916.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Optimized distribution</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijap/volume-2017/7514916/figures/7514916.fig.007c.svgz" name="7514916.fig.007c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Plots of the −3 dB isolines</td></tr></table>

<div>Ambiguity functions of the transmit waveforms when using sequential carrier frequency distribution and optimized carrier frequency distribution.</div>

International Journal of Antennas and Propagation

fig7

Figure 7

Figure 7: MIMO High Frequency Surface Wave Radar Using Sparse Frequency FMCW Signals 