CAJ | 학술논문

本文提出一种基于亮点迹线跟踪的逆合成孔径声呐运动补偿技术。该方法从匹配滤波后的多脉冲回波历程图上，对距离变化区间较小的亮点进行轨迹跟踪，得到亮点距离随时间的变化，估算出目标质心到基阵的漂移运动量，并进行补偿。仿真试验结果表明，所提方法能有效提高逆合成孔径声呐的成像性能。
본문제출일충기우량점적선근종적역합성공경성눌운동보상기술。해방법종필배려파후적다맥충회파역정도상，대거리변화구간교소적량점진행궤적근종，득도량점거리수시간적변화，고산출목표질심도기진적표이운동량，병진행보상。방진시험결과표명，소제방법능유효제고역합성공경성눌적성상성능。
This paper presents a motion compensation method for the inverse synthetic aperture sonar ( ISAS) by spot tracking is proposed. From the time record of the matched filtered multi-ping echoes,of which the spot that have the relatively small variability region, is tracked to give the range estimates. Then the translational movement from the target mass center to the sonar transducer can be estimated and compensated . Simulation test results show that the proposed method can effectively improve the ISAS imaging performance.