地球与行星物理论评(中英文)2024,Vol.55Issue(3):292-307,16.DOI:10.19975/j.dqyxx.2023-029
流星不均匀体多波段探测系统与初步观测结果
An introduction to the Meteor and ionospheric Irregularity Observation System and its preliminary results
摘要
Abstract
Meteoroids entering the Earth's atmosphere lose most of their mass during atmospheric passage and considerably disturb the background ionosphere.To elucidate better the effects of meteoroids on the near-Earth space environment,it is important to simultaneously observe various meteoroids and their related phenomena in the Earth's atmosphere.This study briefly describes a newly developed Meteor and ionospheric Irregularity Observa-tion System(MIOS),which consists of a phased-array radar,a bi-static all-sky radar,and a multi-station optical imaging and spectroscopy subsystem.The MIOS can capture the processes of ablation and evaporation of meteo-roids,creating luminous and ionization trails,and measure the properties of both the meteor trail and its corres-ponding meteoroid within a large field of view.Based on the MIOS,some observational modes and data pro-cessing methods have been developed,where the physical and chemical properties of meteoroids(including their velocity,mass,composition,and source region),meteor plasma head and trail irregularity and their structural evolu-tion,and the instantaneous neutral wind can be obtained.Using the MIOS measurements,a preliminary study of some of the characteristics of meteoroids,meteor plasma head,meteor plasma trail field-aligned and non-field-aligned irregularities,meteor flare and dust trail irregularity,and ionospheric irregularity is presented.关键词
流星/流星体/流星尾迹不均匀体/电离层不均匀体/探测系统Key words
meteor/meteoroid/meteor plasma trail irregularity/ionospheric irregularity/observation system分类
地球科学引用本文复制引用
李怡,赵秀宽,余优,常首民,宁百齐,刘立波,李国主,解海永,孙文杰,胡连欢,武志,陈文志,黄照国,吴宝元..流星不均匀体多波段探测系统与初步观测结果[J].地球与行星物理论评(中英文),2024,55(3):292-307,16.基金项目
国家自然科学基金资助项目(42020104002,41727803)Supported by the National Natural Science Foundation of China(Grant Nos.42020104002,41727803) (42020104002,41727803)