Compressed Sensing Reconstruction of Radar Echo Signal Based on Fractional Fourier Transform and Improved Fast Iterative Shrinkage-Thresholding Algorithm

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Method</td><td class="align_center" colspan="3">Sampling rate</td></tr><tr class="thead"><td class="align_center">0.3</td><td class="align_center">0.5</td><td class="align_center">0.7</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">IFISTA</td><td class="align_center">1.160</td><td class="align_center">1.417</td><td class="align_center">1.642</td></tr><tr><td class="align_left">FISTA</td><td class="align_center">0.987</td><td class="align_center">1.160</td><td class="align_center">1.422</td></tr><tr><td class="align_left">CoSaMP</td><td class="align_center">5.531</td><td class="align_center">7.074</td><td class="align_center">8.138</td></tr><tr><td class="align_left">StOMP</td><td class="align_center">3.420</td><td class="align_center">5.403</td><td class="align_center">7.280</td></tr><tr><td class="align_left">ROMP</td><td class="align_center">4,273</td><td class="align_center">5.740</td><td class="align_center">6.140</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Calculation time for different algorithms.</div>

Wireless Communications and Mobile Computing

tab2

Table 2

Table 2: Compressed Sensing Reconstruction of Radar Echo Signal Based on Fractional Fourier Transform and Improved Fast Iterative Shrinkage-Thresholding Algorithm 

Table 2 | Compressed Sensing Reconstruction of Radar Echo Signal Based on Fractional Fourier Transform and Improved Fast Iterative Shrinkage-Thresholding Algorithm 