数字海洋与水下攻防2025，Vol.8Issue(1)：100-107,8.DOI:10.19838/j.issn.2096-5753.2025.01.014
基于ST-FRFT脉冲信号特征检测技术研究
Research on Characteristic Detection Technology of Pulse Signals Based on ST-FRFT
吕一鸣 1陈川 1邓国新1
作者信息
- 1. 中国船舶集团有限公司第七一〇研究所,湖北 宜昌 443003||清江创新中心,湖北 武汉 430076
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摘要
Abstract
In the process of autonomous detection of ship targets,unmanned underwater platforms often suffer from underwater pulse interference,among which single-frequency signals,linear frequency modulation signals and other pulse signals are more common.In order to offset such pulse interference,it is necessary to detect the signal pulse width,modulation slope,center frequency and other characteristic information of pulse signals.In this paper,ST-FRFT algorithm based on the combination of FRFT and STFT is used to detect the characteristics of underwater pulse signal information.The real-time and effectiveness of the algorithm is verified through simulation and sea data detection.The algorithm can be applied to the anti-interference detection of underwater small platforms to ship targets.关键词
水下无人平台/水声脉冲检测/分数阶傅里叶变换Key words
unmanned underwater vehicle/underwater acoustic pulse detection/fractional Fourier transform分类
信息技术与安全科学引用本文复制引用
吕一鸣,陈川,邓国新..基于ST-FRFT脉冲信号特征检测技术研究[J].数字海洋与水下攻防,2025,8(1):100-107,8.
