太赫兹科学与电子信息学报2026，Vol.24Issue(2)：236-241,6.DOI:10.11805/TKYDA2025345
太赫兹频段铝材质目标随不同温度的RCS分析
Analysis of Radar Cross Sections for aluminum targets in terahertz band at different temperatures
陈刚 1李浩 1何征 1张娜 2刘灵鸽 1卢海梁 3牛文博 1党红杏 1李一楠 1吕容川1
作者信息
- 1. 中国空间技术研究院西安分院,陕西西安 710100
- 2. 北京无线电计量测试研究所,北京 100854
- 3. 湖北珞珈实验室,湖北武汉 430079
- 折叠
摘要
Abstract
The temperature-dependent variation of metal material reflectivity in the terahertz band is of great significance for research on active-passive fusion detection of terahertz targets.This paper focuses on metallic aluminum,and by comparing with literature and measured results,verifies that the extended Hagen-Rubens theoretical formula is applicable for studying the reflection performance of metals in the terahertz band.Five typical terahertz frequency points of 0.1,0.2,0.5,1.0 and 10 THz are selected to calculate the reflectivity of metallic aluminum within the temperature range of 273～933 K.It is found that as temperature increases,the reflectivity of metallic aluminum in the terahertz band gradually decreases,with the reflectivity variation not exceeding 0.02.The temperature-dependent variation of terahertz Radar Cross Section(RCS)is analyzed for typical metallic aluminum spheres,square aluminum thin plates,and cylinders at different temperatures.The results indicate that the target RCS slowly decreases within the 273～933 K range,with the variation not exceeding 0.05 dB.关键词
太赫兹/散射/温度变化/反射率/雷达散射截面积(RCS)Key words
terahertz wave/scattering/temperature change/reflectivity/Radar Cross Sections(RCS)分类
信息技术与安全科学引用本文复制引用
陈刚,李浩,何征,张娜,刘灵鸽,卢海梁,牛文博,党红杏,李一楠,吕容川..太赫兹频段铝材质目标随不同温度的RCS分析[J].太赫兹科学与电子信息学报,2026,24(2):236-241,6.
