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From: C Berry on 9 Jun 2010 10:36
Hi,

I have a signal in the time domain which I have Fourier transformed to the frequency domain using the standard fft. The signal is not quite what I was expecting: I believe this is because by using the fft I have multiplied my signal in the time domain by a top hat (unit box or rectangular function if you prefer), which leads to my signal in the frequency domain being convolved by a sinc. I need to remove this sinc, but I do not know how to deconvolve it from my signal. Can anyone help?

Thanks in advance,

Christopher
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