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 | ||
| 2.6770 | 2.6816 | 0.9615 | 1.0776 | 1.0588 |
(0.0311) | (1.0657) | (0.6890) | (0.0962) | ||
(0.0290) | (2.0196) | (1.7414) | (1.6211) | ||
| 2.5894 | 2.5644 | 0.2284 | 0.1767 | 0.1307 |
(0.0702) | (1.7218) | (0.7101) | (0.1728) | ||
(0.0671) | (3.3022) | (2.5150) | (2.7256) | ||
| 0.8970 | 0.8732 | 0.4773 | 0.2489 | 0.5269 |
(0.0398) | (0.8970) | (0.3625) | (0.0987) | ||
(0.0387) | (1.6411) | (1.2019) | (1.4273) | ||
ASSE (dB) | 25.14 | 5.23 | 6.27 | 5.87 |