超宽带搜救雷达的编码信号探测方法研究  

The research of ultra wide-band in searching and rescuing rader micro-moving target detection methods

作　　者：祝忠明[1] 王绪本[2] 

机构地区：[1]成都理工大学信息科学与技术学院,成都610059 [2]成都理工大学地球物理学院,成都610059

出　　处：《物探化探计算技术》2015年第2期141-144,共4页Computing Techniques For Geophysical and Geochemical Exploration

基　　金：国家自然科学基金(40374027)

摘　　要：分析运用了脉冲编码理论作为生命信号探测的理论依据,通过对生命信号的模拟分析,研究了生命信号与杂波的特性;对实测的生命雷达回波信号做了详细地分析处理;以超宽带理论为基础,讨论了超宽带雷达信号的特点,根据超宽带雷达目标信号的特性得到了人体探测的仿真模型,分析了被测人体不同姿态下呼气吸气的回波信号,实现了生命微弱信号的检测,证明了超宽带雷达目标信号的高分辨率距离像方法,用于探测人体生命信号的有效性和可靠性。The pulse code theory as life signal detected theoretical foundation is analyzed and utilized in this paper.We study the characteristics and clatter of the life signals through the life signals and simulations.Providing a detailed analysis of radar echo signal processing for the measured life.Based on the ultra wide-band theory the characteristics of the signals that ultra wide band rander emits have been studied.According to the characteristics of ultra wide-band radar targets the human body detected simulation models have been established.The detection of life weak signals has been realized by analyzing echo signals from breath of people in various postures,which has demonstrated the validity and reliability in detecting human life sig-nals via high resolution range profile method of ultra wide band radar target signal.

关 键 词：编码信号 生命探测 超宽带雷达 

分 类 号：P631.3[天文地球—地质矿产勘探]