Correction Method for TOA Measurement of Target Signal based on Kalman Filter

被引：0
|
作者：
Xu, Zili [1 ]
He, Donglin [1 ]
Li, Jing [1 ]
Jiang, Li [1 ]
Wang, Huai [1 ]
机构：
[1] CAAC, Res Inst 2, R&D Ctr, Chengdu, Sichuan, Peoples R China
来源：
2017 IEEE 2ND ADVANCED INFORMATION TECHNOLOGY, ELECTRONIC AND AUTOMATION CONTROL CONFERENCE (IAEAC) | 2017年
基金：
中国国家自然科学基金;
关键词：
multilateration; TOA measurement; frequency offset; GPS PPS(GPS pulses per second); Kalman Filter;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In multilateration system, the system's positioning accuracy for a target is directly determined by TOA (Time of Arrival) measurement accuracy of the target signal and the TOA measurement accuracy of target signal is depended on accuracy and stability of the crystal oscillator which provides system clock Aiming at specific problems of TOA measurement accuracy of target signal in multilateration system, the impact of frequency offset of crystal oscillator and GPS pulses per second jitter on TOA measurement accuracy is analyzed, and a correction method for TOA measurement of target signal based on Kalman Filter is derived. Numerical simulation shows that the method can effectively improve the measurement accuracy of target signal TOA, and has relatively strong practical significance and value.
引用
收藏
页码：230 / 235
页数：6
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