d?=?.4;?%?Fractional?Delay
hl1?=?dfilt.farrowlinearfd（d）;?%?Coefficients?hard-coded?in?this?structure


fd?=?fdesign.fracdelay（d‘N‘3）;
hl2?=?design（fd‘lagrange‘‘FilterStructure‘‘farrowfd‘）;

t?=?0:9;
frac=4/4.315;
t_0=t*frac;

x?=?sin（2*pi*.1*t）;
h?=?dfilt.farrowlinearfd;
h.PersistentMemory?=?true;
y（1）=x（1）;
ty（1）=0;
for?i=2:10
????d（i）=（i-1）*frac-floor（（i-1）*frac）;
????h.FracDelay?=?1-d（i）;
????ty（i）=?t（i）-h.FracDelay;
????y（i）?=?filter（hx（i））;
end
figure（‘Color‘‘white‘）;
stem（tx）;
figure（2）;
stem（t_0x‘y‘‘filled‘）;
figure（3

?屬性????????????大小?????日期????時間???名稱
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?????文件???????1137??2014-02-12?08:03??test.m

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?????????????????1137????????????????????1