空间科学学报2012，Vol.32Issue(1)：75-84,10.
全天空流星雷达相位差监测分析方法研究
Research on Observing and Analyzing Phase Differences of All-sky Meteor Radar
摘要
Abstract
A new method is developed on analyzing and estimating phase differences between each antenna of All-sky meteor radar by the mathematical model derived from the distribution of meteors and the antenna configuration. Using the observational data collected from the meteor radar, the temporal-spatial distribution properties of meteors and their effect upon the spatial distribution of meteors, especially the effect upon the variance properties of height distribution result from the phase difference variations of the antennas, are achieved. On this basis a simulation is created to estimate the phase difference variations by the variance of meteors＇ height distribution. Then this method is applied to analyze data collected from Sanya All-sky meteor radar. The results show that phase difference variations from one antenna or more are able to be estimated by analyzing the observational data without any additional hardware. And the accuracy is less than 2 degree. The calibration to the phase different variations can efficiently improve the measurement precision of the meteors＇ angles of arrival and the relevant data quality.关键词
流星/流星雷达/相位差/相位校正Key words
Meteors/Meteor Radar/Phase difference/Phase Calibration分类
天文与地球科学引用本文复制引用
沈金成,宁百齐,万卫星,胡连欢..全天空流星雷达相位差监测分析方法研究[J].空间科学学报,2012,32(1):75-84,10.基金项目
国家自然科学基金项目资助 （）
