by "aenima1891" <aenima1891@[EMAIL PROTECTED]
>
Oct 7, 2008 at 11:05 AM
thank you. i've understood what are you saying. i'm grateful
>aenima1891 wrote:
>> i've a doubt now
>> A fir filter is a filter with a finite impulsive response, which
satisfy
>> the requirement below:
>>
>> h[n] = h[M-n] 0<=n<=M FIR FILTER (TYPE I or II)
>> = 0 elsewhere
>
>That is the condition for a symmetric FIR.
>
>> So a fir filter is a symmetric filter
>
>*Not* so. It only shows that a symmetric FIR is a symmetric filter.
>
>> So h1[n]=[0 0 0 0 1] is'n a fir filter, but it gives to me a delay of
4
>> anyway.
>>
>> Can i use this filter or i must use the fir filter [0 0 0 0 1 0 0 0
0]?
>
>Of course you can use it.
>
>> My only goal is to realize a filter which implement a pure delay. I
think
>> that i can use the filter h1 (although it is NOT fir)
>>
>> Am I right?
>
>You are wrong that it isn't FIR. You are right that you can use it.
>
>Jerry
>--
>Engineering is the art of making what you want from things you can get.
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>
