| lbb-用于射电天文VLBI基带数据读写的库 |
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| 引用本文： | 郭绍光,李纪云,朱人杰,劳保强,陆扬,杨颖.lbb-用于射电天文VLBI基带数据读写的库[J].天文学报,2020,61(3):26. |
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| 作者姓名： | 郭绍光 李纪云 朱人杰 劳保强 陆扬 杨颖 |
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| 作者单位： | 中国科学院上海天文台上海200030;中国科学院上海天文台上海200030;中国科学院射电天文重点实验室南京210023;中国科学院国家授时中心西安710600 |
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| 摘 要： | Library for Baseband (lbb)是一个自研的用于读取解析甚长基线干涉测量(Very Long Baseline Interferometry, VLBI)基带数据的工具库,主要用于VLBI观测中对终端基带数据的读取、解析及输出结果分析.该软件库通过对基带数据的自动判断,自动实现读取不同数据格式的功能,并提供了各种各样的API (Application Programming Interface)功能供用户调用.目前lbb软件库已经成功应用在了探月工程VLBI测轨任务中的硬件相关处理机配置项和测地VLBI观测数据的预处理.文章详细介绍了lbb软件库的设计、功能及用法.
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| 关 键 词： | 射电天文学: 基带数据 数据采集: 终端 数据处理: 格式转换 |
| 收稿时间： | 2019/11/1 0:00:00 |
lbb-a Library for Reading and Writing VLBI Baseband Data of Radio Astronomy |
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| GUO Shao-guang,LI Ji-yun,ZHU Ren-jie,LAO Bao-qiang,LU Yang,YANG Ying.lbb-a Library for Reading and Writing VLBI Baseband Data of Radio Astronomy[J].Acta Astronomica Sinica,2020,61(3):26. |
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| Authors: | GUO Shao-guang LI Ji-yun ZHU Ren-jie LAO Bao-qiang LU Yang YANG Ying |
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| Affiliation: | Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030;Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030;Key Laboratory of Radio Astronomy, Chinese Academy of Sciences, Nanjing 210023; National Time Service Center, Chinese Academy of Sciences, Xián 710600 |
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| Abstract: | Library for Baseband (lbb) is a self-developed open source library for reading and analyzing VLBI (Very Long Baseline Interferometry) baseband data, which is mainly used for reading and analyzing terminal baseband data in VLBI observations.This software library can analyze different data formats based on the algorithm, and also provide a variety of Application Programming Interface (API) functions for the user.At present, lbb library had been successfully applied to the hardware correlator for Changé lunar project,and the data observation of geodetic VLBI.This paper introduces the design, function and usage of lbb in detail. |
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| Keywords: | radio astronomy: baseband data data acquisition: terminal data processing: format exchange |
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