阶跃频率超宽带雷达硬件在环仿真研究

2021 IEEE 15th International Conference on Electronic Measurement & Instruments (ICEMI) Pub Date : 2021-10-29 DOI:10.1109/ICEMI52946.2021.9679575

Shuyi Liu, Zhuoyan Gao, Yan Jia, Yongqing Liu, Xiangkun Zhang

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引用次数: 0

摘要

阶跃频率信号是提高雷达系统距离分辨率的重要信号形式，有效降低了对超宽带雷达系统的硬件要求。本文利用两个信号发生器、一个频谱分析仪和一个示波器，建立了阶跃频率超宽带雷达半在环仿真系统，并通过频域宽带合成得到超分辨率距离信号。将硬件在环仿真与计算机数据处理相结合，实验结果表明，35个28MHz子脉冲合成的超宽带信号时间分辨率高达1.06ns。步进频率形成的带宽越大，距离分辨率越高，验证了步进频率对提高距离分辨率的作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Research on Hardware-in-the-loop Simulation of Stepped Frequency Ultra-wideband Radar

The stepped frequency signal is an important signal form to improve the range resolution of radar system, which effectively reduces the hardware requirements for ultra-wideband radar system. This article uses two signal generators, a spectrum analyzer and an oscilloscope to establish a stepped frequency ultra-wideband radar hardware-in-the-loop simulation system, and obtains super-resolution range signal through frequency domain wideband synthesis. Combining hardware-in-the-loop simulation with computer data processing, the experimental results show that the time resolution of the ultra-wideband signal synthesized by 35 28MHz sub-pulses is up to 1.06ns. The larger the bandwidth formed by the stepped frequency, the higher the range resolution, which verifies the effect of the stepped frequency on improving the range resolution.

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2021 IEEE 15th International Conference on Electronic Measurement & Instruments (ICEMI)

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