雷达科学与技术2025，Vol.23Issue(1)：32-38,66,8.DOI:10.3969/j.issn.1672-2337.2025.01.003
无人机载单比特NanoSAR系统
UAV-Mounted 1-bit Nano Synthetic Aperture Radar System
摘要
Abstract
This study aims to develop a UAV-mounted 1-bit nano synthetic aperture radar(NanoSAR)system based on frequency-modulated continuous wave(FMCW)technology.The system offers advantages such as miniaturiza-tion and low power consumption,enabling rapid acquisition of high-resolution images in low-altitude remote sensing operations.To reduce system power consumption while maintaining the image quality,1-bit imaging technology is explored by applying 1-bit quantization to reduce data volume and employing spectral shifting techniques to effectively suppress the influence of higher-order harmonics on image quality.The NanoSAR system is mounted on a small-to-medium-sized UAV for data collection,and the range-Doppler algorithm,calibrated for range migration,is applied to process the echo data.The SAR imaging performance of 1-bit data is validated,and the system demonstrates a resolution capability of 0.1 m.关键词
调频连续波/微型合成孔径雷达/单比特量化/雷达信号处理Key words
FMCW/NanoSAR/1-bit quantization/radar signal processing分类
电子信息工程引用本文复制引用
王伟,龙天尧,黄磊..无人机载单比特NanoSAR系统[J].雷达科学与技术,2025,23(1):32-38,66,8.基金项目
国家自然科学基金(No.61925108,62220106009,62371306) （No.61925108,62220106009,62371306）
