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论文分析了在FPGA上NCO传统实现方式的弊端,引入了CORDIC算法对此进行了改良,达到了节省FPGA逻辑资源的目的,并同时实现了高效和高精度的算法结果。本论文详细介绍了CORDIC算法的原理和FPGA实现架构,并对FPGA的HDL逻辑代码进行了仿真,最后对仿真结果和实际结果进行了误差分析。分析结果充分证明了CORDIC算法的可行性和高效及高精度的性能。
The dissertation analyzes the disadvantages of the traditional implementation of NCO on FPGA, and introduces the CORDIC algorithm to improve this, and achieves the goal of saving FPGA logic resources and achieves both high efficiency and high precision algorithm results. This thesis introduces the principle of CORDIC algorithm and FPGA implementation architecture in detail, and simulates the HDL logic code of FPGA. Finally, the error analysis of the simulation results and the actual results is carried out. The results of the analysis fully demonstrate the feasibility of the CORDIC algorithm and its high efficiency and high precision performance.