From: A Ramp Cosine Cepstrum Model for the Parameter Estimation of Autoregressive Systems at Low SNR
True parameters | Estimated parameters | ||||
---|---|---|---|---|---|
Proposed method | ILSF method | SSYW method | MLSYW method | ||
| 0.4998 | 0.4822 | 0.3845 | 0.3719 | 0.1483 |
(0.0432) | (0.2824) | (0.3122) | (0.4145) | ||
(0.0456) | (0.2914) | (0.3134) | (0.4225) | ||
| 0.0100 | 0.0591 | 0.0151 | 0.0247 | 0.0608 |
(0.0501) | (0.0705) | (0.0607) | (0.0615) | ||
(0.0540) | (0.0743) | (0.0699) | (0.0938) | ||
| 0.7853 | 0.7483 | 0.8134 | 0.8428 | 0.7973 |
(0.0651) | (0.0602) | (0.0402) | (0.0387) | ||
(0.0730) | (0.0664) | (0.0701) | (0.0407) | ||
| 0.5999 | 0.5568 | 0.4196 | 0.4663 | 0.2965 |
(0.0658) | (0.2953) | (0.2885) | (0.1842) | ||
(0.0660) | (0.3107) | (0.2992) | (0.3549) | ||
ASSE (dB) | 22.84 | 11.35 | 10.71 | 8.27 |