Timeline for By data processing inequality, by processing we are losing information. So why do we process the data?
Current License: CC BY-SA 3.0
12 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 4, 2017 at 1:01 | vote | accept | CLAUDE | ||
| Jul 2, 2017 at 16:30 | comment | added | jbord39 | @AliChen: Lol someone is unfamiliar with a large aspect of EE ... | |
| Jul 2, 2017 at 15:29 | answer | added | KillaKem | timeline score: 1 | |
| Jul 1, 2017 at 1:21 | comment | added | user57037 | Imagine capturing all the data in the world. Where would you store it? How would you retrieve it? How would you interpret it? Data reduction is a very important step, even though it loses information. | |
| Jun 30, 2017 at 22:06 | answer | added | user136077 | timeline score: 0 | |
| Jun 30, 2017 at 22:05 | comment | added | supercat | Signals contain a mixture of useful and useless information. Almost any process by which information is processed will result in some information being lost and replaced with useless information, but that doesn't imply that useful information will be lost. It's may be possible to arrange things so that after the first stage of processing, the only information lost at each stage will be useless information from earlier stages (which gets replaced with more useless information which might get lost in later stages). | |
| Jun 30, 2017 at 21:32 | comment | added | Eugene Sh. | @AliChen Seem legit to me.. information theory is very related to EE, and asking question about theory is not uncommon... | |
| Jun 30, 2017 at 21:29 | comment | added | Ale..chenski | I don't believe this site is for philosophical musing like this. Move your question elsewhere. | |
| Jun 30, 2017 at 21:11 | comment | added | Eugene Sh. | Hm. Because it is incorrect. Why would the mutual information increase? | |
| Jun 30, 2017 at 20:41 | comment | added | CLAUDE | @EugeneSh. This is the case of confusion. Indeed we prove that by setting a matched filter, we can maximize the SNR, so I can interpret that the noise level will decrease and as a result, the mutual information will increase. Why my justification is wrong? | |
| Jun 30, 2017 at 20:22 | comment | added | Eugene Sh. | How is it a contradiction? Does it add any information to the signal? Processing the data is for extracting the (useful) information from the signal. | |
| Jun 30, 2017 at 20:19 | history | asked | CLAUDE | CC BY-SA 3.0 |