Timeline for Constraints on the Fourier transform of a constant modulus function
Current License: CC BY-SA 2.5
3 events
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| Feb 11, 2010 at 10:01 | comment | added | Jean-François Morizur | If we add the hypothesis that everything is $C^\infty$-smooth, including f, does it help? And how would you go to find the right f for given functions A and g? Thank you a lot for your help | |
| Feb 10, 2010 at 16:14 | comment | added | Julián Aguirre | I misunderstood the question. The size of the Fourier transform of g at infinity is "determined" by the smoothness of g. Multiplying by f does not change the smoothness, so I would not expect a change in the size of |A(k)|. | |
| Feb 9, 2010 at 23:20 | history | answered | Julián Aguirre | CC BY-SA 2.5 |