Timeline for Fourier transform of a real-valued function.
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 22, 2011 at 14:48 | vote | accept | Jethro | ||
| Nov 1, 2011 at 10:15 | answer | added | Jan Boman | timeline score: 12 | |
| Nov 1, 2011 at 8:23 | answer | added | Igor Rivin | timeline score: 6 | |
| Nov 1, 2011 at 6:32 | comment | added | Will Sawin | We know it up to a certain group of transformations, including translations. More specifically, take any function of absolute value $1$ with odd imaginary part and even real part, and multiply the fourier transformation by that. This will create a translation-ish transformation of the function that the modulus of the fourier transform cannot detect. | |
| Nov 1, 2011 at 5:46 | comment | added | Torsten Ekedahl | If you translate $f$ you multiply $F$ by a function of absolute value $1$ so no. | |
| Nov 1, 2011 at 5:17 | history | asked | Jethro | CC BY-SA 3.0 |