Research of direct digital frequency synthesis technology based on FPGA
Xiang Na · Journal of Qiqihar University · 2014
This topic elaborated in detail the direct digital frequency synthesis(DDFS) technology's principle of work, the composition structure and the application present situation, analyzed the stray which the frequency synthesis produced to originate and to suppress the method, finally to realized the direct frequency synthesis technology practical significance based on FPGA to carry on the comprehensive analysis, simultaneously to its hardware circuit design, the optimized method has carried on the elaboration. This system uses Verilog-HDL language to carry on the DDS system modeling, and in EDA software platform carries on the system simulation, the synthesis, finally completes online work and so on logical debugging and data simulation analysis, The final simulation result has confirmed system's feasibility.