摘要
设计并实现了基于radix-4和CORDIC算法的流水线结构FFTIP核。利用ModelSim软件进行仿真,分析了系统性能和延时特性,通过与Matlab中FFT函数计算结果对比,对FFT核的计算误差进行了分析。根据仿真测试结果,该IP核运算速度快,精度高,结果准确,具有很强的实用性。
A pipelined FFT IP core using the CORDIC and radix-4 algorithms was designed and implemented.The design was simulated by ModelSim to analyze its system performance and latency characteristics.By comparing the results calculated by Matlab,its errors were analyzed.According to the simulation results,the FFT core is fast and precise,which makes it very practical for various applications.
出处
《系统仿真学报》
CAS
CSCD
北大核心
2010年第8期2018-2022,共5页
Journal of System Simulation
基金
天津市科技支撑计划重点项目(08ZCKFGX00500)