基于DDS的无线电引信Chirp信号生成方案设计

Design of Chirp signal of radio fuze based on DDS

为了模拟无线电引信中的Chirp信号,设计了一种基于DDS的无线电引信Chirp信号生成系统的方案.该方案采用PC输出波形控制参数,用DSP进行数字信号处理并控制DDS芯片的总体结构.对PC与DSP芯片的通信接口、DSP芯片与DDS芯片的接口以及软件处理流程进行了详细设计.

In order to simulate the Chirp signal of radio fuze, a realizing scheme of producing Chirp signal is designed which based on DDS. The scheme adopts the configuration of using PC to output controlling parameters of waveform, using DSP to process data and control DDS. The realization of the communicating interface of PC and DSP, the interface of DSP and DDS, and the processing flows of software are mainly introduced.