这种逆向iff系统允许飞机使用现役1090mhz的IFF异频雷达收发机来询问目标区域，提供近空支援(CAS)，而不是标准的1030mhz。
The Reverse IFF system allows an aircraft providing close-air support (CAS) to interrogate a target area using its existing IFF transponder at 1090 MHz rather than the standard 1030 MHz.
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.
该方案已经在实际二次雷达S模式询问机研制过程中得 以应用和验证，效果良好。
The method has been applied and verified in a new developed mode S SSR interrogator, and the system runs well.
提出了一种空管二次雷达s模式询问机捕获与监视空中s模式目标的工程实现方案。
An engineering implementation method is proposed for air traffic control (ATC) system to capture and tail mode s airborne targets using secondary surveillance radar (SSR).
又可用作地-空雷达的地面询问机询问信号编码器。
It also can be used as the signal encoder of interrogator of the surface-to-air SSR.
文章论述了在某型号雷达询问机天线的展开与撤收机构设计中，采用平面四杆机构满足了电讯安装要求并克服了运输超宽的难题。
The planar 4-bar linkage is adopted in order to satisfy the installation requirement and solve the problem of over-width in transportation.
文章论述了在某型号雷达询问机天线的展开与撤收机构设计中，采用平面四杆机构满足了电讯安装要求并克服了运输超宽的难题。
The planar 4-bar linkage is adopted in order to satisfy the installation requirement and solve the problem of over-width in transportation.
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