二维码（扫一下试试看！） | | 双隐身飞机自卫相干干扰对单脉冲雷达影响 | | Influence of Cooperative Self-Defense Coherent Jamming on Mono-Pulse Radar of Dual Stealth Aircraft | | 投稿时间：2018-12-29 | | DOI：10.15918/j.tbit1001-0645.2019.07.017 | | 中文关键词:隐身编队自卫干扰相干干扰检测概率雷达检测性能 | | English Keywords:stealth formationself-defense jammingcoherent jammingdetection probabilityradar detection performance | | 基金项目:国家自然科学基金青年科学基金资助项目（61601503；61701527） | | | 摘要点击次数:641 | | 全文下载次数:293 | | 中文摘要: | | 针对单脉冲雷达检测跟踪协同自卫干扰状态的双隐身飞机编队时，角度跟踪与检测性能难以合理性评价问题，提出了一种基于侧双机编队盘旋航迹的隐身飞机协同自卫相干干扰模型.经过编队即时姿态分析，求解编队视线姿态角.结合静态全空域双机的雷达散射截面（RCS）数据库获取编队动态RCS序列，利用目标回波信号与相干干扰共同作用下单脉冲雷达角跟踪与检测机理，结合相应联合信干比分析模型，比较研究了隐身编队在常态飞行与协同自卫相干干扰状态下雷达角度的即时误差与瞬时检测概率的动态变化.仿真结果表明：编队自卫相干干扰能够有效使单脉冲雷达角度诱骗0.26°并使雷达检测性能下降34.97%，有效降低编队航程下失损率. | | English Summary: | | In order to rationally evaluate the performance of angle tracking, distance decoy and detection when detecting and tracking the dual stealth aircraft formation under the condition of cooperative self-defense coherent jamming, a model of cooperative self-defense coherent jamming was proposed based on the hovering track of the formation for stealth aircraft. Firstly, by analyzing the real-time attitude, the formation line-of-sight attitude angle was calculated. Then the dynamic RCS (radar cross section) sequence of formation was acquired based on the static dual-aircraft RCS database in the whole airspace. Finally, the instantaneous error and instantaneous detection probability of radar angle of stealth formation in normal flight and cooperative self-defense coherent jamming were compared and studied by using the angle tracking and detection mechanism of mono-pulse radar under the combined action of target echo signal and coherent jamming, and based on the corresponding joint signal-to-interference ratio analysis model. The simulation results show that the formation self-defense coherent jamming can effectively deceive the monopulse radar angle by 0.26 degrees and reduce the radar detection performance by 34.97%, effectively reducing the loss rate during formation voyage. | | 查看全文查看/发表评论下载PDF阅读器 | |
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