电子学报2023，Vol.51Issue(11)：3271-3281,11.DOI:10.12263/DZXB.20220799
联合DTOA一阶差分曲线和相关分析的参差信号分选方法
Signal Sorting Method for Jagger PRI Radar Based on First-Order Difference Curve of DTOA and Correlation Analysis
摘要
Abstract
To sort the pulse stream with a jagged pulse repetition interval(PRI)and reconstruct its PRI pattern,com-bined with the characteristics of jagger PRI pattern,a method that combines the first-order difference curve of difference of time of arrival(DTOA)and correlation analysis was proposed.Firstly,concerned DTOA terms were extracted based on the first-order difference curve of DTOA.Then,stagger PRI pattern was identified based on the autocorrelation and overlap rate of the concerned term,and the complete pattern was analyzed based on the cross-correlation of the concerned term.Finally,sequence retrieval was performed based on the analysis result.Experimental results show that the proposed method requires less computational effort and has excellent performance on sorting jagger PRI signal and reconstructing its PRI pattern,showing strong adaptability to pulse missing and great robustness to spurious pulse and the uniformity of the distribution of sub-periods.关键词
参差雷达信号分选/参差模式识别/参差模式分析/DTOA一阶差分曲线/相关分析Key words
jagger PRI signal sorting/jagger PRI pattern recognition/jagged PRI pattern analysis/first-order differ-ence curve of DTOA/correlation analysis分类
信息技术与安全科学引用本文复制引用
谢敏,赵闯,胡德秀,刘成城..联合DTOA一阶差分曲线和相关分析的参差信号分选方法[J].电子学报,2023,51(11):3271-3281,11.基金项目
国家自然科学基金(No.62071490) （No.62071490）
河南省自然科学优秀青年基金(No.212300410095)National Natural Science Foundation of China(No.62071490) （No.212300410095）
Natural Science Outstanding Youth Fund of Henan Province(No.212300410095) （No.212300410095）
