摘要
介绍了DDS的电路结构及工作原理,并对各组成部分进行了理论分析,重点介绍了电路设计方法,并利用硬件描述语言VHDL实现,最后利用FLEX器件实现了DDS电路,给出了FPGA设计的仿真和实验.
The structure and principles of Direct Digital Frequency Synthesizer are presented and each constituent is theoretically analyzed. Circuit design methods are mainly introduced and the DDS system design is realized utilizing VHDL language. Finally, the circuit of DDS is completed on the device of FLEX. The simulation and experiment of FPGA design are given.
出处
《合肥学院学报(自然科学版)》
2007年第2期63-66,83,共5页
Journal of Hefei University :Natural Sciences