>westocl wrote:
>> Hello all.
>>
>> Is it feasable to do an fft in 'real time' on different 'blocks' o
data?
>>
>> (i understand the nomenclature real time may be inappropriate).
>>
>>
>> Im thinking, in general usage of an FFT, some x[n] comes in one sampl
at
>> a time and fills up a buffer and when that buffer (lets call it 12
time
>> domain samples) is filled a FFT is taken and the 'output' is 128 point
of
>> frequncy domain data.
>>
>> Now.. instad of somthing like a sliding DFT where a window evaluate
the
>> previous 127 samples along with one new one, i have a situation wher
i
>> want to give the 'fft buffer' 128 NEW data points... so every singl
'time
>> instant'...128 new x[n] data are available.
>>
>> If this were done would I get a new FFT output at every time instant?
>
>You confused me. 128 new instances of x[n] for every n? How?
>
>Jerry
>--
>Engineering is the art of making what you want from things you can get.
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You are right...My notation is somewhat confusing by using x[n]. Bu
imagine we had a switch that will switch to an already full buffer a
every 'sample interval'. Then at the next instant we go to the next 12
buffer and we call that x[n] and so on..