An Adaptive Radar Target Detection Method Based on Alternate Estimation in Power Heterogeneous Clutter
<p>The relative variation in the estimation of the covariance matrix across successive iterations.</p> "> Figure 2
<p>Probability of detection (PD) versus signal-to-clutter ratio (SCR) without signal mismatch with simulated data.</p> "> Figure 3
<p>PD versus <math display="inline"><semantics> <mrow> <msup> <mrow> <mo form="prefix">cos</mo> </mrow> <mn>2</mn> </msup> <mi>ϕ</mi> </mrow> </semantics></math> with signal mismatch with simulated data. <math display="inline"><semantics> <mrow> <mi>SCR</mi> <mo>=</mo> <mn>35</mn> <mspace width="3.33333pt"/> <mi>dB</mi> </mrow> </semantics></math>.</p> "> Figure 4
<p>PD versus SCR without signal mismatch with simulated data for different <span class="html-italic">v</span>.</p> "> Figure 5
<p>Compound-Gaussian distribution PDF fitting to empirical PDF of real data.</p> "> Figure 6
<p>Compound-Gaussian distribution CDF fitting to empirical CDF of real data.</p> "> Figure 7
<p>Compound-Gaussian distribution modeling results of real data.</p> "> Figure 8
<p>PD versus SCR without signal mismatch with IPIX radar data.</p> "> Figure 9
<p>PD versus <math display="inline"><semantics> <mrow> <msup> <mrow> <mo form="prefix">cos</mo> </mrow> <mn>2</mn> </msup> <mi>ϕ</mi> </mrow> </semantics></math> with signal mismatch with IPIX radar data. <math display="inline"><semantics> <mrow> <mi>SCR</mi> <mo>=</mo> <mn>25</mn> <mspace width="3.33333pt"/> <mi>dB</mi> </mrow> </semantics></math>.</p> ">
Abstract
:1. Introduction
2. Problem Formulation
3. Detector Design
3.1. AE-GLRT Detector
Algorithm 1 The algorithm of alternate estimation. |
Input: , and Output: , and
|
3.2. AE-Rao Detector
3.3. AE-Wald Detector
3.4. AE-Gradient Detector
3.5. AE-Durbin Detector
4. Performance Evaluation
4.1. Simulation Experiment
4.2. Real Data Experiment
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A
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Distribution | KS Distance |
---|---|
K distribution | 0.0011 |
Pareto distribution | 0.0066 |
CG-IG distribution | 0.0013 |
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Xiao, D.; Liu, W.; Chen, H.; Li, H.; Li, B. An Adaptive Radar Target Detection Method Based on Alternate Estimation in Power Heterogeneous Clutter. Remote Sens. 2024, 16, 2508. https://doi.org/10.3390/rs16132508
Xiao D, Liu W, Chen H, Li H, Li B. An Adaptive Radar Target Detection Method Based on Alternate Estimation in Power Heterogeneous Clutter. Remote Sensing. 2024; 16(13):2508. https://doi.org/10.3390/rs16132508
Chicago/Turabian StyleXiao, Daipeng, Weijian Liu, Hui Chen, Hao Li, and Binbin Li. 2024. "An Adaptive Radar Target Detection Method Based on Alternate Estimation in Power Heterogeneous Clutter" Remote Sensing 16, no. 13: 2508. https://doi.org/10.3390/rs16132508