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.006a.svgz" name="7514916.fig.006a" 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.006b.svgz" name="7514916.fig.006b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Optimized distribution</td></tr></table>

<div>Time-frequency characteristic of the transmitted signals (short-time Fourier transform (STFT) applied to the transmitted signals).</div>

International Journal of Antennas and Propagation

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Figure 6

Figure 6: MIMO High Frequency Surface Wave Radar Using Sparse Frequency FMCW Signals 