使用侧环空白通道对主动相位阵列天线进行发送接收模块诊断
Hongwoo Park1, Wonjin Lee1, Hyun Seok Oh1
1Agency for Defense Development, Yuseong-gu, Daejeon 34141, Republic of Korea.
Sensors (Basel, Switzerland)
|November 13, 2025
概括
一种用于空载主动阶段阵列天线 (APAA) 的新型诊断方法利用侧叶空白 (SLB) 通道进行高效的发送接收模块 (TRM) 故障检测. 这种方法最大限度地减少了空间和成本,同时确保了空载雷达系统的可靠TRM诊断.
科学领域:
- 雷达系统工程 雷达系统工程
- 天线技术天线技术
- 航空航天电子
背景情况:
- 空载主动阶段阵列天线 (APAA) 需要对发送接收模块 (TRM) 进行强大的诊断方法.
- 现有的诊断解决方案面临着空载雷达系统的空间,成本和时间限制.
- 外围探测方法提供了一个潜在的解决方案,但需要仔细实施.
研究的目的:
- 在APAAs中开发和验证TRMs的有效诊断方法.
- 利用现有的天线通道来最大限度地减少系统修改.
- 为TRMs建立一个可靠的故障检测值.
主要方法:
- 实施了一种使用侧叶空白 (SLB) 通道作为外围探针的诊断方法.
- 在可移动无声室中进行了APAA级测试,以确定故障检测值并防止TRM和.
- 进行信号路径预算分析以确定最佳输入衰减水平.
- 为雷达处理器开发了简单的检测逻辑和控制时间.
主要成果:
- 优化了SLB天线和TRM之间的合水平,在-70dB和-20dB之间.
- 收到的信号功率估计在-40 dBm和-20 dBm之间,导致故障检测值为-50 dBm.
- 在无声室,屋顶实验室和实际战斗机上的验证测试证实了该方法的有效性.
结论:
- 拟议的诊断方法有效地使用SLB通道识别APAA中的TRM故障.
- 该方法成功地解决了空载雷达系统的空间和成本限制.
- 经过验证的方法为空载雷达诊断提供了可靠和高效的解决方案.
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