航管二次雷达发射射频组件功能测试仪设计-design of functional tester for radio frequency components of atc secondary radar emission.docx
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航管二次雷达发射射频组件功能测试仪设计-design of functional tester for radio frequency components of atc secondary radar emission
ABSTRACTmain points of data-processing are the interrogate signal’s generation and detector signal’s test, the thesis narrates the design of the hardware and software in detail and gives the simulation results of main modules.Practice has proved that the tester has small size, high reliability and good compatibility, especially suitable for the evaluation of the working status and performance of RF components in the absence of large-scale testing-equipment. It also can be used as the signal encoder of interrogator of the surface-to-air SSR.Keywords: Secondary Surveillance Radar, Normal Mode, Mode S, Encoder, Tester目录目录第一章 绪论 .................................................................................................................... 1 1.1 航管二次雷达的发展概况及现状 ........................................................................... 11.1.1 从传统的二次雷达到单脉冲二次雷达 ........................................................ 11.1.2 模式 S 二次雷达的发展现状 21.1.3 国内二次雷达的现状与展望 ........................................................................ 31.2 本论文的选题依据 ................................................................................................... 41.3 本论文的研究内容及章节安排 ............................................................................... 4第二章 二次雷达的系统原理 ........................................................................................ 62.1 二次雷达系统的工作原理 ....................................................................................... 62.1.1 系统构成与工作原理 .................................................................................... 62.1.2 二次雷达的询问信号 .................................................................................... 62.1.3 二次雷达的询问器 ........................................................................................ 82.1.3.1 询问模式 ............................................................................................. 82.1.3.2 模式交替 ............................................................................................. 92.1.3.3
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