本文利用FPGA与DAC5686完成了线性调频信号产生电路的设计与实现,该方法降低了系统软硬件设计的难度,缩短了开发周期,并提高了设计的可靠性,具有较高的实用价值和良好的应用前景.文章分析了线性调频信号,给出了信号产生电路硬件设计和控制电路软件设计方案,并通过功能实现验证文中方法的有效性.%A generation module of LFM signal based on FPCA and DACS686 is designed and realized in this paper. This technique decreases the difficulty of hardware and software design of the system, reduces development cycle and improves design reliability, has higher practical value and good application prospect LFM signal is analyzed, based on which signal generation circuit and software of control circuit design project is put forward, and the effectiveness of this method is verified through the function realization.
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