A numerical comparison of the unbiased FIR and Kalman filters in applications to GPS-based timekeeping

被引：3
|
作者：
Shmaliy, Yuriy S. [1 ]
Ibarra-Manzano, Oscar [1 ]
Arceo-Miquel, Luis [1 ]
机构：
[1] Guinajuato Univ, FIMEE, Salamanca 36730, Gto, Mexico
来源：
2005 IEEE International Frequency Control Symposium and Exhibition | 2005年
关键词：
D O I：
10.1109/FREQ.2005.1574015
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The 3-state unbiased finite impulse response (FIR) filter and the 3-state Kalman filters are investigated for the time interval error (TEE) K-degree polynomial model of a local crystal clock in GPS-based timekeeping in presence of the sawtooth noise induced by the receiver. We show that both algorithms produce consistent estimates for the reference (rubidium) measurements. We also demonstrate that the unbiased FIR algorithm produces a lower error than the standard Kalman filter in presence of the sawtooth noise.
引用
收藏
页码：668 / 671
页数：4
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