Table 9 Analysis of measured signals using various parameter estimation algorithms
From: Estimation of LFM signal parameters using RD compressed sampling and the DFRFT dictionary
Signal | Algorithm | Error: \(k_{e} = \sum\limits_{i = 1}^{K} {k_{i,e} }\) | Error: \(f_{e} = \sum\limits_{i = 1}^{K} {f_{i,e} }\) | Time/s |
|---|---|---|---|---|
Signal 3 | RD + DFRFT | 0.029 | 0.024 | 10.51 |
|  | RD + SDFrFT | 0.031 | 0.033 | 8.33 |
|  | RD + OSFrFT | 0.034 | 0.027 | 6.97 |
|  | RD + WM | 0.045 | 0.051 | 9.39 |
Signal 4 | RD + DFRFT | 0.059 | 0.053 | 12.65 |
|  | RD + SDFrFT | 0.059 | 0.057 | 10.44 |
|  | RD + OSFrFT | 0.063 | 0.054 | 9.31 |
|  | RD + WM | 0.087 | 0.099 | 12.22 |