Study on Pseudo-range Measurement Accuracy based on DTMB Signal

被引：0
|
作者：
Xue, Weicheng [1 ,2 ,3 ,4 ]
Wang, Shanhe [1 ,2 ,3 ]
Huang, Changjiang [2 ]
Xiang, Yu [2 ,3 ]
Hua, Yu [2 ,3 ]
机构：
[1] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[2] Chinese Acad Sci, Natl Time Serv Ctr, Xian 710600, Shaanxi, Peoples R China
[3] Joint Lab High Accuracy Time Synchronizat & Posit, Xian 710600, Shaanxi, Peoples R China
[4] Jiangsu Broadcasting Corp, Nanjing 210008, Jiangsu, Peoples R China
来源：
PROCEEDINGS OF 2019 IEEE 8TH JOINT INTERNATIONAL INFORMATION TECHNOLOGY AND ARTIFICIAL INTELLIGENCE CONFERENCE (ITAIC 2019) | 2019年
关键词：
DTMB; pseudo-range measurement; ranging accuracy;
D O I：
10.1109/itaic.2019.8785804
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
The method of pseudo-range measurement using DTMB signal is described in this paper, then by the method of quadratic fitting of correlation peak to detect peak value, the accuracy of pseudo-range measurement is improved. Data simulation shows that the pseudo-range measurement based on DTMB signal can reach 3.6ns(1 sigma), but the actual ranging accuracy is 87ns(1 sigma). This result points out that improvement of the time benchmark of transmitter can improve the pseudo-range measurement accuracy, this conclusion will provide research direction and solution for the subsequent work.
引用
收藏
页码：612 / 616
页数：5
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