Time-variant system: Revision history

14 July 2022

• curprev 18:4918:49, 14 July 2022‎ Shhhnotsoloud talk contribs‎ 3,973 bytes −58‎ Remove merge tag: closed undo

29 December 2021

• curprev 21:4221:42, 29 December 2021‎ Alej27 talk contribs‎ 4,031 bytes −72‎ Irrelevant text. As far as I know, "See also" articles never have additional text beside the name of the article. undo

28 October 2021

• curprev 17:4917:49, 28 October 2021‎ ClueBot NG talk contribs‎ m 4,103 bytes −9‎ Reverting possible vandalism by 103.211.15.152 to version by WikiCleanerBot. Report False Positive? Thanks, ClueBot NG. (4066739) (Bot) undo Tag: Rollback
• curprev 17:4917:49, 28 October 2021‎ 103.211.15.152 talk‎ 4,112 bytes +9‎ →‎Linear time-variant systems undo Tags: Reverted Mobile edit Mobile web edit

19 July 2021

• curprev 11:4611:46, 19 July 2021‎ WikiCleanerBot talk contribs‎ m 4,103 bytes −3‎ v2.04b - Bot T5 CW#16 - Fix errors for CW project (Unicode control characters) undo Tag: WPCleaner

6 July 2021

• curprev 14:4414:44, 6 July 2021‎ Interferometrist talk contribs‎ 4,106 bytes +61‎ →‎top: Propose to merge into Linear time-invariant system‎ undo
• curprev 08:4708:47, 6 July 2021‎ SailingInABathTub talk contribs‎ 4,045 bytes −637‎ Contested WP:PROD, WP:BEFORE reveals significant coverage in multiple reliable, secondary sources. Please consider whether you could improve the article rather than deleting it. undo
• curprev 00:3800:38, 6 July 2021‎ Interferometrist talk contribs‎ 4,682 bytes −812‎ →‎Examples of time-variant systems: Whoops I missed that one! I think the voice fundamental is over 200Hz whereas changes in voiced vowel sounds are on order of tenths of a second, so it's slowly-varying. And the fact that you even talk about a (changing) transfer functions PROOVES that i undo

5 July 2021

• curprev 20:5620:56, 5 July 2021‎ AnomieBOT talk contribs‎ m 5,494 bytes +60‎ Dating maintenance tags: {{Clarify}} {{Dubious}} {{Notability}} undo
• curprev 20:3620:36, 5 July 2021‎ Interferometrist talk contribs‎ 5,434 bytes +11‎ →‎Examples of time-variant systems: Any USEFUL spectral analysis tool is *substantially* invariant to the exact time you start analyzing a sample sequence. undo
• curprev 20:3420:34, 5 July 2021‎ Interferometrist talk contribs‎ 5,423 bytes −898‎ →‎Examples of time-variant systems: Not a usual way of speaking about non-time-invariance, because in an adaptive filter the ADAPTATION depends on the input itself, and if that input is delayed by T then the adaptation will be delayed by T and the output will be delayed by T, which you could well call a nonlinear time-invariant system, at least according to my definition. undo
• curprev 20:3120:31, 5 July 2021‎ Interferometrist talk contribs‎ 6,321 bytes −269‎ →‎Examples of time-variant systems: Bad example. AM modulation is a non-linear operation. It could only be called a linear non-time-invariant system if the modulation is known in advance, not by someone talking into a mike saying something for the first time. undo
• curprev 20:2920:29, 5 July 2021‎ Interferometrist talk contribs‎ 6,590 bytes −212‎ →‎Examples of time-variant systems: Bad example. An airplane does not pass a signal. undo
• curprev 20:2820:28, 5 July 2021‎ Interferometrist talk contribs‎ 6,802 bytes +22‎ →‎Overview: A "impulse response must be known at each and every time instant" is NOT an impluse response. And I should have said that this article name after deletion should be a redirect to Linear time-invariant system‎ undo
• curprev 20:2020:20, 5 July 2021‎ Interferometrist talk contribs‎ 6,780 bytes +683‎ →‎top: Proposed deletion - see reason at top of page. undo

14 January 2021

• curprev 19:0019:00, 14 January 2021‎ Yobot talk contribs‎ m 6,097 bytes −5‎ References after punctuation per WP:REFPUNCT, WP:CITEFOOT, WP:PAIC + other fixes undo Tag: AWB

17 December 2020

• curprev 02:1902:19, 17 December 2020‎ Monkbot talk contribs‎ m 6,102 bytes −10‎ Task 18 (cosmetic): eval 5 templates: del empty params (1×); undo Tag: AWB

4 November 2020

• curprev 22:0522:05, 4 November 2020‎ KylieTastic talk contribs‎ m 6,112 bytes +1‎ Reverted 1 edit by 108.29.133.172 (talk) to last revision by OAbot undo Tags: Twinkle Undo
• curprev 20:3020:30, 4 November 2020‎ 108.29.133.172 talk‎ 6,111 bytes −1‎ Added curse words undo Tags: Reverted Mobile edit Mobile web edit

16 April 2020

• curprev 00:3300:33, 16 April 2020‎ OAbot talk contribs‎ m 6,112 bytes +32‎ Open access bot: doi added to citation with #oabot. undo

1 March 2020

• curprev 20:3020:30, 1 March 2020‎ Myxomatosis57 talk contribs‎ 6,080 bytes −5‎ →‎Examples of time-variant systems undo
• curprev 20:2920:29, 1 March 2020‎ Myxomatosis57 talk contribs‎ m 6,085 bytes 0‎ →‎Linear Time variant systems undo
• curprev 20:2820:28, 1 March 2020‎ Myxomatosis57 talk contribs‎ m 6,085 bytes +1‎ →‎Linear Time variant systems undo
• curprev 20:2820:28, 1 March 2020‎ Myxomatosis57 talk contribs‎ 6,084 bytes −5‎ No edit summary undo

30 November 2019

• curprev 17:5017:50, 30 November 2019‎ Citation bot talk contribs‎ m 6,089 bytes −155‎ Removed URL that duplicated unique identifier. | You can use this bot yourself. Report bugs here.| Activated by User:Nemo bis | via #UCB_webform undo

26 November 2019

• curprev 00:4200:42, 26 November 2019‎ Jasonw56k talk contribs‎ m 6,244 bytes +1‎ fix typo undo

13 October 2019

• curprev 15:2315:23, 13 October 2019‎ Sherrysws talk contribs‎ 6,243 bytes +2,929‎ Added description of time variant systems, Added a section for linear time variant systems. It is cited from a published book of digital signal processing. Added equation that describes time-dependent behaviour of LTV systems. Added citation of existing examples. Added one more example with citation (adaptive filters) undo Tag: Visual edit

29 September 2019

• curprev 13:3613:36, 29 September 2019‎ 103.129.36.30 talk‎ 3,314 bytes −2‎ →‎Overview undo

1 December 2018

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1 August 2018

• curprev 16:4016:40, 1 August 2018‎ 2405:204:221:dc6a:5735:642f:657d:a04 talk‎ 3,316 bytes −22‎ →‎Overview: Removed two words that had no sensible meaning. undo Tags: Mobile edit Mobile web edit
• curprev 15:5915:59, 1 August 2018‎ 2405:204:409f:5add:b6b3:a831:5ea0:eb4d talk‎ 3,338 bytes +21‎ →‎Overview undo Tags: Mobile edit Mobile web edit

4 July 2018

• curprev 01:5701:57, 4 July 2018‎ Oshwah talk contribs‎ m 3,317 bytes +1,247‎ Reverted edits by 122.54.157.112 (talk): unexplained content removal (HG) (3.4.3) undo Tags: Huggle Rollback
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16 June 2017

• curprev 15:4515:45, 16 June 2017‎ Bear-rings talk contribs‎ 3,317 bytes +3‎ →‎Examples of time-variant systems: time-invariant system undo
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• curprev 15:3815:38, 16 June 2017‎ Bear-rings talk contribs‎ 3,315 bytes +1‎ →‎Examples of time-variant systems: Solar irradiance undo
• curprev 15:3615:36, 16 June 2017‎ Bear-rings talk contribs‎ 3,314 bytes −18‎ →‎Overview undo

22 February 2017

• curprev 14:0914:09, 22 February 2017‎ 103.248.15.82 talk‎ 3,332 bytes +185‎ Added sentences. undo Tags: Mobile edit Mobile web edit

16 June 2016

• curprev 21:1521:15, 16 June 2016‎ Yamaguchi先生 talk contribs‎ 3,147 bytes −451‎ Saving content to history pending sources. undo
• curprev 21:1521:15, 16 June 2016‎ 73.170.242.150 talk‎ 3,598 bytes +23‎ →‎Time-variant system: Elaboration undo

29 November 2015

• curprev 07:0207:02, 29 November 2015‎ 101.222.160.159 talk‎ 3,575 bytes −211‎ →‎Time-variant system: Elaboration undo

20 May 2015

• curprev 21:1221:12, 20 May 2015‎ 120.59.52.180 talk‎ 3,786 bytes −11‎ →‎Examples of time-variant systems undo
• curprev 21:1021:10, 20 May 2015‎ 120.59.52.180 talk‎ 3,797 bytes +11‎ →‎Examples of time-variant systems undo

5 April 2015

• curprev 07:4407:44, 5 April 2015‎ Jay-Sebastos talk contribs‎ 3,786 bytes −18‎ Reverted 1 edit by 116.48.108.52 (talk): Please don't add promotional links. For more, see WP:EXTERNAL. Thanks. (TW) undo
• curprev 07:3607:36, 5 April 2015‎ 116.48.108.52 talk‎ 3,804 bytes +18‎ →‎References undo Tags: Mobile edit Mobile web edit

26 August 2014

• curprev 16:5316:53, 26 August 2014‎ Krishnavedala talk contribs‎ 3,786 bytes −2‎ Reverted 1 edit by 103.226.187.10 (talk): Invalid character. (TW) undo
• curprev 08:0108:01, 26 August 2014‎ 103.226.187.10 talk‎ 3,788 bytes +2‎ →‎See also undo

21 February 2014

• curprev 03:1803:18, 21 February 2014‎ DMGualtieri talk contribs‎ m 3,786 bytes 0‎ changed awkward word order in first sentence undo

3 July 2013

• curprev 12:4512:45, 3 July 2013‎ MelbourneStar talk contribs‎ m 3,786 bytes −4‎ Reverted edit(s) by 115.254.73.212 identified as test/vandalism using STiki undo