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rounding off the coefficients

Started by Appalayagari Sreedhar January 7, 2003
Dear all,

Happy New Year.

I am designing a FIR filter i want to study the finite wordlength effects,

i want to reduce the bit size for representing the coefficient,

but to reduce that i want to know exactly with how many bits the coefficeint is
generated in matlab.

give me any idea regadring this issue,

thank u.

regds,sree.



Use fdatool in filterdesign toolbox. You can do all
kinds of finite precision effects analysis while you
design the filter.

Before any quantization the filter coefficients will
be double precision.

Navan

--- Appalayagari Sreedhar <> wrote:
> Dear all,
>
> Happy New Year.
>
> I am designing a FIR filter i want to study the
> finite wordlength effects,
>
> i want to reduce the bit size for representing the
> coefficient,
>
> but to reduce that i want to know exactly with how
> many bits the coefficeint is generated in matlab.
>
> give me any idea regadring this issue,
>
> thank u.
>
> regds,sree.


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