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全极化机载探地雷达测试系统的搭建与测试

发表时间:2016-12-31  浏览量:1981  下载量:417
全部作者: 恩和得力海,冯晅,梁帅帅,张明贺,方远韬
作者单位: 吉林大学地球探测科学与技术学院
摘 要: 机载探地雷达(ground penetrating radar,GPR)可以用于对人类无法到达的危险地区和植被严重覆盖的地下目标体的探测,应用前景广阔。相比传统GPR,使用雷达极化信息的全极化GPR能够得到更全面的极化信息,进而分析目标体的极化特性,能够更精细地分析目标的各种散射特性。研究基于矢量网络分析仪(vector network analyzer,VNA)、PC控制端、全极化天线阵列、GPS电线、放大器进行步进频率全极化探地雷达系统的构建,基于LabVIEW编写数据采集以及控制系统,并用实验验证该系统,为下一步将仪器搭载在实际飞机上做了一定准备。
关 键 词: 固体地球物理学;探地雷达;极化;机载系统;天线设计
Title: Testing of full-polarimetric airborne ground penetrating radar testing system
Author: ENHEDELIHAI, FENG Xuan, LIANG Shuaishuai, ZHANG Minghe, FANG Yuantao
Organization: College of Geo-exploration Science and Technology, Jilin University
Abstract: Airborne ground penetrating radar (GPR) is a suitable tool to perform cost-effective surveys of the undergrounds on a number of possibly non-accessible areas such as dead zones or serious vegetation cover. And it is concluded that airborne GPR will receive more attention in the future. Compared with traditional GPR, the use of radar polarization information can get more comprehensive information and get more detailed polarization characteristics of the target for further analysis of scattering characteristics. By using LabVIEW, we write the control software, and construct a hardware system based on vector network analyzer (VNA), PC control site, full-polarimetric antenna array, GPS module and amplifiler. The main objective of our work is to explore the feasibility of designing and testing an airborne full polarimetric ultra-wide-band step-frequency GPR system.
Key words: solid earth geophysics; ground penetrating radar; polarimetric; airborne system; antenna design
发表期数: 2016年12月第24期
引用格式: 恩和得力海,冯晅,梁帅帅,等. 全极化机载探地雷达测试系统的搭建与测试[J]. 中国科技论文在线精品论文,2016,9(24):2579-2584.
 
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