设计一种新型的分数延时有限长单位冲激响应(Finite impulse response,FIR)滤波器的设计方案和主要工作原理。研究重点在于通过对提出的算法进行仿真验证,并与传统算法进行比较,验证该算法的优越性。设计结构主要采用Farrow结构,以达到节省硬件资源的目的。仿真验证采用的工具是Matlab。
In this paper, the design scheme and working principle of main for a new type of fractional delay FIR filter are expounded. Research is focused on proposing algorithm simulation, through comparing with the traditional algorithm, to verify the superiority of the algorithm. Design structure mainly uses the Farrow structure, to achieve the purpose of saving hardware resources. Simulation is the Matlab tools used