simulink and transfer functions with fractional powers of Z

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simulink

hii

i make an adc by simulink

but its discrete transfer function block only has z^-1 or z^-2 (integer)

if i need z^-(1/2) or z^-(3/2) to make a transfer function block



anyone know how to do ?

thanks
 

simulink

if you just myltiply numerator and denumerator bu z^2, then it would be all integer delays
 

Re: simulink

hii vahidkh6222

i still don't know

the transfer function is what i need



how to do this transfer function in simulink?

thanks
 

simulink

excuse me for my inaccurate first response,
i think you can implement this by doubling the sample rate(sampling time). in other word if you replace all Zs with Z^2 then there will be no more noninteger delays.
ofcourse you should manage the sample rates in an appropriate way.
+this is just my idea, i dont know how correct it is...
 

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