Timeline for What is the effect of a sawtooth phase mask in the frequency domain?
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Jun 22, 2015 at 17:36 | answer | added | robert bristow-johnson | timeline score: 1 | |
| Jun 22, 2015 at 14:58 | comment | added | Mohamed Tarek | @DilipSarwate I understand the phase wrapping in linear ramps, but it's exactly because of the special case(s) that you mentioned with the sawtooth that I would like to derive a mathematical expression - to know what I should expect. I'm stuck with the derivation though. | |
| Jun 22, 2015 at 11:10 | comment | added | Dilip Sarwate | Since phase is effectively modulo $2\pi$ even if your linear phase ramp has value a gazillion, all linear phase ramps are actually sawtooth phase ramps. Now, if the phase "mask" you use does not match up in period with the linear phase ramp, you can get some interesting effects quite different from simple time shifts.... | |
| Jun 21, 2015 at 22:18 | comment | added | Richard Lyons | Can you explain exactly, mathematically, what you mean by a "sawtooth phase mask"? | |
| Jun 21, 2015 at 17:35 | history | asked | Mohamed Tarek | CC BY-SA 3.0 |