The Radar Cross Section(RCS) is an important physical quantity for measuring the target's ability to scatter radar waves. It plays an important role in target recognition and imaging. A new calibration method is proposed and software distance gate technology is utilized to improve the measurement accuracy of the target RCS based on the 440 GHz terahertz target RCS measurement system. The cylinders with different roughness are measured to obtain the RCS measurement results. Compared with the theoretical values, it is found that using the new processing technology can achieve a high level of accuracy, which can be applied to measure RCS of complex targets and study the law of scaling.
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赵珊珊,曾 旸,杨 琪,李彦鹏,秦玉亮,王宏强.基于太赫兹440 GHz系统目标RCS的高精确度测量[J]. Journal of Terahertz Science and Electronic Information Technology ,2019,17(2):200~204