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针对采用脉压技术的导引头设计了一种目标模拟器,该模拟器的核心部分之一为DRFM专用数据处理平台。此平台用来对中频信号进行采样、存储、延时、重构,并且计算回波信号的延迟时间和衰减幅度,可通过小键盘进行人机交互式控制,亦可通过RS422标准异步串口通信实现对模拟器的实时控制,方便有效地实现了对孚引头回波信号的时间延迟和幅度衰减控制。
Aiming at the seeker with pulse pressure technology, a target simulator is designed. One of the core parts of the simulator is DRFM dedicated data processing platform. This platform is used for sampling, storing, delaying and reconstructing the IF signal, and calculating the delay time and attenuation range of the echo signal. It can be man-machine interactively controlled through the keypad or through RS422 standard asynchronous serial communication Real-time control of the simulator can conveniently and effectively control the time delay and the amplitude attenuation of the recursive signal of the fuze lead.