Resample_Farrow.zip

function sOut=Resample_Farrow(sIn,fsIn,fsOut) %任意倍数降采样率变换（四倍过采） %Farrow结构+分段抛物线 %sIn 输入信号 %fsIn 输入信号的采样率 %fsOut 输出信号的采样率 %sOut 输出信号 sOut=[]; len=fsIn/fsOut; sOut=[sOut;sIn(1)]; for k=1+len:len:length(sIn) m=floor(k); miu=k-m; if m+2<=length(sIn) newVal=(sIn(m+2)-sIn(m+1)-sIn(m)+sIn(m-1))*miu^2/2+(-sIn(m+2)+3*sIn(m+1)-sIn(m)-sIn(m-1))*miu/2+sIn(m); else break; end end