evalf1.m

来自「Oversampling Delta-Sigma Data Converters」· M 代码 · 共 13 行

function F1 = evalF1(f1,z,phi)
%F1 = evalF1(f1,z,phi)	Calculate the values of the F1 filter 
%(tranformed prototype filter) of a Saramaki HBF at the given points.

if nargin>2
    z = z/phi;
end

F1 = 0.5;
for i = 1:length(f1);
    F1 = F1 + f1(i)*z.^(2*i-1);
end