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 | 0.5042 | 0.3655 | 0.3830 | 1.0445 |
(0.0289) | (0.2595) | (0.3086) | (0.0923) | ||
(0.0293) | (0.2922) | (1.6859) | (1.2579) | ||
| 0.0100 | 0.0283 | 0.0066 | 0.0040 | 0.0452 |
(0.0219) | (0.0600) | (0.0651) | (0.0704) | ||
(0.0285) | (0.0601) | (0.0672) | (0.0747) | ||
| 0.7853 | 0.7580 | 0.7759 | 0.8221 | 0.7559 |
(0.0507) | (0.0893) | (0.0857) | (0.0956) | ||
(0.0665) | (0.0899) | (0.0882) | (0.0972) | ||
| 0.5999 | 0.5648 | 0.4597 | 0.4211 | 0.3229 |
(0.0374) | (0.2732) | (0.2874) | (0.3113) | ||
(0.0513) | (0.3071) | (0.2982) | (0.3257) | ||
ASSE (dB) | 24.95 | 13.27 | 12.71 | 9.13 |