Design and Implementation of Portable GNSS Baseband Logger

被引：0
|
作者：
Wang Sheng [1 ]
Chen Pei [1 ]
Han Chao [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Sch Astronaut, Beijing 100083, Peoples R China
来源：
2009 2ND IEEE INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND INFORMATION TECHNOLOGY, VOL 2 | 2009年
关键词：
Logging; Portable; Global Positioning System; Baseband Logger; Software Radio;
D O I：
10.1109/ICCSIT.2009.5234778
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The design and the implementation of a portable GNSS baseband logging system which can log raw GPS L1 baseband more than one hour or longer is presented. In addition, the design covers GPS (L1, L2)/GLONASS/Galileo/Compass frequency and the maximal sample frequency is about 50MHz.The system is based on Blackfin DSP and uses Compact Flash card for storage. The data is extracted by reading the Compact Flash card to store as a data file. The recorded data file is analyzed by using the FFT to acquire the GPS satellites signals and the position is calculated by using the open source GPS positioning software. The system is very portable because of the CF+DSP design and can also be used on missile and satellite. It provides a good research and development platform for the GNSS software receiver.
引用
收藏
页码：642 / 646
页数：5
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