简要介绍了空中交通管制雷达的组成，提出了一次雷达、二次雷达信号模拟器的实现方案，对相应的软、硬件设计进行了分析。
The implementing project for the signal simulator of the primary radar and the secondary radar is presented , and the corresponding designing of the hardware and software are analyzed.
二次雷达是现代航空交通管制系统中的重要组成部分，它是通过对询问 信号应答而发现目标的雷达。
Secondary radar is an important equipment in modern air traffic control system, it identify the target by interrogator sending a inquiry toward the aircraft and the aircraft responsing in the air.
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