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## Main Question or Discussion Point

what is the difference between Fourier series and Fourier transforms ?

- Thread starter Rsw
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what is the difference between Fourier series and Fourier transforms ?

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Fourier series is an approximation of periodic functions, but Fourier transform is applied to the functions which isn't periodic(period = infinite).

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Note: Both FT and fourier series are approximations of f

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http://en.wikipedia.org/wiki/Fourier_series

Also check out Fourier Transforms in Wikipedia if interested.

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Where the approximations come in is when you have an infinite series or a transform that extends to infinity. Then, you may decide to truncate the series or band-limit the transform, when using them to reconstruct the original function. Even if they are not infinite, you could still truncate/band-limit. Hence, you could say that a truncated FS or a band limited FT are approximations.

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thanks 4 give me such replies........

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where i can clear my concept of "encoder,decoder and sequential circuits" and verilog of it also.

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encoder, decoder and sequential circuit are very basic stuffs in logic design and any digital design books have this topic.

I have this book(older edition) and it's pretty good.

https://www.amazon.com/dp/0131863894/?tag=pfamazon01-20

Although I have 2 verilog books, neither is good and I wouldn't recommend them.

Just search in amazon and find the one with good ratings.

I have this book(older edition) and it's pretty good.

https://www.amazon.com/dp/0131863894/?tag=pfamazon01-20

Although I have 2 verilog books, neither is good and I wouldn't recommend them.

Just search in amazon and find the one with good ratings.

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