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Discrete samples into continuous signal 
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#1
May112, 03:46 AM

P: 2

A) Let us say that we have some arbitrary sequence of natural numbers. e.g. 1, 2, 7, 3, 17, 19. Is it possible to convert every finite and infinite sequence into some continuous function model, such as in Fourier theory?
I know that it is possible to extract some discrete samples from a continous signal/function and construct the original continuous signal, as provided by NyquistShannon sampling theorem. The question is whether it is possible to construct a continuous signal that models a set of discrete samples. Can this only be approximate? B) Can every coninuous function/signal be modelled by Fourier theory  converted into a series of sine and consine functions with unique frequencies? 


#2
May112, 08:13 AM

Math
Emeritus
Sci Advisor
Thanks
PF Gold
P: 39,533

Use the "half integer" correction. That is, you assume that a value of "2" could be anywhere from 1 and 1/2 to 2 and 1/2.



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