An evaluation method for sparse microwave imaging radar system using phase diagrams

We propose a method based on the phase diagram tool to evaluate the sparse microwave imaging radar system. In the method, success rates of signal recovery are derived from the statistics of relative errors between the targets and the recovered signals. Success rates for each combination of SNR, sparsity and sampling ratio are provided to form a three-dimensional phase diagram. We demonstrate that the trend of success rates is presented accurately by taking advantage of phase transition boundary. These ideas are efficient strategy to analysis and design the sparse microwave imaging radar system.