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现代航空业的高速发展使得现行的A/C模式二次雷达已经渐渐难以满足更大的空中交通流量与安全性保障的要求,S模式二次雷达技术应运而生。S模式的选呼方式极大地减少了空间的询问应答数目,使得二次雷达所面临的异步干扰(fruit)和串扰(garble)问题得到有效地解决,极大地提高了航管监视系统性能,保障了民航运行安全。本论文介绍和分析S模式的基本信号工作流程,以及相对于传统A/C模式的卓越的优点。
The rapid development of modern aviation industry makes the existing secondary radar of A / C mode have been gradually difficult to meet the requirements of greater air traffic flow and security assurance. The S-mode secondary radar technology came into being. The S-mode selective call mode greatly reduces the number of interrogation responses in space, and effectively solves the problem of fruit jamming and garble in the secondary radar and greatly improves the performance of the AIS system Civil aviation operation safety. This paper presents and analyzes the basic signal workflow of S-mode and its superiority over traditional A / C modes.