Improved ESPRIT Method for Joint Direction-of-Arrival and Frequency Estimation Using Multiple-Delay Output

<table>Angle estimation performance comparison at <i>M</i> = 12, <i>K</i> = 3, <i>P</i> = 4, and <svg height="10.9125" id="M181" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 56.262501 10.9125" width="56.262501" xmlns="http://www.w3.org/2000/svg">
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<tspan style="font-size: 12.50px; " x="0" y="0">𝑁</tspan>
<tspan style="font-size: 12.50px; " x="14.103384" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="26.143772" y="0">4</tspan>
<tspan style="font-size: 12.50px; " x="32.395271" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="38.646774" y="0">0</tspan>
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International Journal of Antennas and Propagation

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Figure 7

Figure 7: Improved ESPRIT Method for Joint Direction-of-Arrival and Frequency Estimation Using Multiple-Delay Output 