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question on resolution of DTFT

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musicguy

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resolution of dtft

i would like to know how to define the resolution of DTFT if my input is a finite sequence x(n). is it by formula ??
 

musicguy

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Re: question on DTFT

but my input is like x(n)=[0 1 1 3 4 5 6 6 5 4 3 2 1], how can get fs??
 

Communications_Engineer

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question on DTFT

you always know Fs, other wise how did you get this x[n]

IF this is the data you are getting from an ADC then you know the Fs and Quantization levels, right?
 

Petre Petrov

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Re: question on DTFT

Hi!

What type of resolution:
* in amplitude, in phase, in frequency, etc.?

Normally you should know at least:
* the signal sampling factor (SSF) N = Fdigitalization /F signal
* the number of the accurate bits n
* the moment (angle) of the first sample
* the total number of bits
* the frequency band of the signal...

BR
 

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