用于RCS测量的实验0.2THz雷达系统

Yanwen Jiang, B. Deng, Hongqiang Wang, Yuliang Qin, Ruijun Wang, Qi Yang, Jingkun Gao
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引用次数: 2

摘要

本文介绍了一种最高频率可达0.22太赫兹的太赫兹雷达系统。该系统采用微波上变频技术,在工作范围内具有良好的性能。基于太赫兹系统,对角反射镜、圆柱体、矩形板和比例汽车模型等不同目标进行了雷达截面测量。通过对具有不同表面表征的矩形板的测量结果进行比较,得出表面细节对RCS值有较大影响的结论。在测量实验的基础上,得到了不同入射角下汽车模型的RCS值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experimental 0.2THz radar system for RCS measurement
A terahertz (THz) radar system with the highest frequency up to 0.22THz is described in this paper. The system is built based on the microwave up-conversion technology and with a good performance in operating range. The radar cross section (RCS) measurement of different objects, namely, corner reflector, cylinder, rectangular plate and a scale car model, is performed based on the THz system. By the comparison of the measurement results of the rectangular plates with different surface characterization, a conclusion is reached that the detailed surface has a considerable influence on RCS values. Moreover, the RCS values of the car model with different incident angles are obtained based on the measurement experiments.
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