Group delay and phase delay: Revision history

1 March 2025

• curprev 01:4801:48, 1 March 2025 BD2412 talk contribs m 38,987 bytes −17 clean up spacing around commas and other punctuation, replaced: , , → , , ,t → , t, ,x → , x, ,y → , y undo Tag: AWB

17 February 2025

• curprev 13:4913:49, 17 February 2025 24.43.152.108 talk 39,004 bytes +1 No edit summary undo

9 December 2024

• curprev 13:1513:15, 9 December 2024 2a02:c7c:d6c0:300:f11c:a434:af4e:7944 talk 39,003 bytes −1 →Theory: changed "convoluting" to "convolving" undo

5 November 2024

• curprev 21:1721:17, 5 November 2024 Citation bot talk contribs 39,004 bytes −17 Removed parameters. | Use this bot. Report bugs. | #UCB_CommandLine undo

19 October 2024

• curprev 07:5207:52, 19 October 2024 Isaidnoway talk contribs 39,021 bytes −210 sorted references with Reference Organizer undo
• curprev 05:3205:32, 19 October 2024 Ohgddfp talk contribs 39,231 bytes −687 From the lede, removed verbage containing "shift", "steady state", "oscillations", "multiplying", "window", "tapering". These sentences do not contribute to basic understanding, and are much more likely to add to confusion. "Envelope" is discussed later in the "modulation" sub-headings, so not needed before that. undo
• curprev 02:4502:45, 19 October 2024 Ohgddfp talk contribs 39,918 bytes −10 There is a lot going on with Figure 1 because it's a schematic of the entire vebage of the "Basic modulation system" section, which refers to this figure throughout. undo Tag: Visual edit
• curprev 01:5201:52, 19 October 2024 Ohgddfp talk contribs m 39,928 bytes +10 →Basic modulation system undo Tag: Visual edit

4 October 2024

• curprev 13:1713:17, 4 October 2024 1234qwer1234qwer4 talk contribs m 39,918 bytes +1 fix spacing around math (via WP:JWB) undo

9 September 2024

• curprev 07:4507:45, 9 September 2024 Wikiwald talk contribs m 39,917 bytes +253 Tidied some references. undo

4 September 2024

• curprev 19:5119:51, 4 September 2024 Kvng talk contribs 39,664 bytes −31 bad disambig undo

26 August 2024

• curprev 19:5119:51, 26 August 2024 Kvng talk contribs m 39,695 bytes −3 not necessarily tele undo

20 August 2024

• curprev 10:5510:55, 20 August 2024 Qwerfjkl talk contribs m 39,698 bytes +34 Added 1 {{Bare URL PDF}} tag(s) using a script. For other recently-tagged pages with bare URLs, see Category:Articles with bare URLs for citations from August 2024 and Category:Articles with PDF format bare URLs for citations undo

19 July 2024

• curprev 17:4017:40, 19 July 2024 78.63.227.23 talk 39,664 bytes +1 →Simple filter example: fixed typo of "the" undo Tags: Mobile edit Mobile web edit

27 April 2024

• curprev 15:0015:00, 27 April 2024 18.29.108.234 talk 39,663 bytes 0 →Group delay from transfer function polynomials: Made the imaginary unit "j" lowercase. Before: J^{2N}, J^{2N+1}. Now: j^{2N}, j^{2N+1}. undo

26 April 2024

• curprev 17:3317:33, 26 April 2024 Citation bot talk contribs 39,663 bytes −17 Removed parameters. | Use this bot. Report bugs. | #UCB_CommandLine undo

19 April 2024

• curprev 06:4906:49, 19 April 2024 WikiCleanerBot talk contribs m 39,680 bytes −49 v2.05b - Bot T20 CW#61 - Fix errors for CW project (Reference before punctuation - Title linked in text - Empty list item - <nowiki> tags) undo Tag: WPCleaner

14 April 2024

• curprev 15:1215:12, 14 April 2024 Em3rgent0rdr talk contribs 39,729 bytes +11 →Advantage over group delay: grammar: that => than, and use tighter spaced {=} in latex. undo Tag: Visual edit
• curprev 15:0915:09, 14 April 2024 Em3rgent0rdr talk contribs 39,718 bytes +90 →Deviation from Linear Phase: Not the ideal linear function that would be zero, but rather the phi_DLP(w) that would be zero. Also need to say the what for the real world example. undo Tag: Visual edit

13 April 2024

• curprev 17:2117:21, 13 April 2024 Netshine2 talk contribs m 39,628 bytes −1 →Advantage over group delay.: punctuation undo Tag: Visual edit
• curprev 17:2117:21, 13 April 2024 Netshine2 talk contribs m 39,629 bytes +32 →Deviation from Linear Phase: Minor text touch-up. undo Tag: Visual edit
• curprev 16:4116:41, 13 April 2024 Netshine2 talk contribs 39,597 bytes +1,751 Added a heading for Deviation from linear phase undo Tag: Visual edit
• curprev 15:5215:52, 13 April 2024 Netshine2 talk contribs m 37,846 bytes +145 →Group delay from transfer function polynomials: Further clarified some equations undo Tag: Visual edit

12 April 2024

• curprev 19:3119:31, 12 April 2024 Netshine2 talk contribs m 37,701 bytes +15 →Simple filter example: Text wording clarification undo Tag: Visual edit
• curprev 19:2719:27, 12 April 2024 Netshine2 talk contribs m 37,686 bytes +75 →Simple filter example: derivative clarification undo Tag: Visual edit
• curprev 16:2616:26, 12 April 2024 Netshine2 talk contribs m 37,611 bytes +5 →Simple filter example: link undo Tag: Visual edit
• curprev 16:2516:25, 12 April 2024 Netshine2 talk contribs 37,606 bytes +3 →Group delay from transfer function polynomials: equation touchup undo Tag: Visual edit
• curprev 16:2216:22, 12 April 2024 Netshine2 talk contribs m 37,603 bytes +639 →Simple filter example: Confirmed the GS calculation procedure and results. undo Tag: Visual edit
• curprev 00:1200:12, 12 April 2024 Netshine2 talk contribs m 36,964 bytes +102 →Group delay from transfer function polynomials: equation sign touchups undo Tag: Visual edit

11 April 2024

• curprev 23:4523:45, 11 April 2024 Netshine2 talk contribs m 36,862 bytes +4 →Group delay from transfer function polynomials: Corrected a sign error undo Tag: Visual edit
• curprev 22:2622:26, 11 April 2024 Netshine2 talk contribs m 36,858 bytes +34 →Group delay from transfer function polynomials: Equation Corrections undo Tag: Visual edit
• curprev 21:5021:50, 11 April 2024 Netshine2 talk contribs m 36,824 bytes +51 →See also: Legendre filter in "See Also" undo Tag: Visual edit
• curprev 21:4821:48, 11 April 2024 Netshine2 talk contribs 36,773 bytes +4,008 Added a heading to calculate group delay from transfer function polynomials undo Tags: nowiki added Visual edit

24 March 2024

• curprev 04:3704:37, 24 March 2024 Em3rgent0rdr talk contribs 32,765 bytes +1,523 →Theory: add subsection →1st order low- or high-pass RC filter example: and worked through math to determine the group delay. This is a useful result. undo Tag: Visual edit

7 December 2023

• curprev 22:5122:51, 7 December 2023 Countercheck talk contribs m 31,242 bytes −144 clean up, typo(s) fixed: ’s → 's (2); delinked duplicate internal links undo Tag: AWB

24 October 2023

• curprev 01:3201:32, 24 October 2023 Fgnievinski talk contribs 31,386 bytes +984 →Group delay in optics: merging here Differential group delay undo

4 September 2023

• curprev 20:0720:07, 4 September 2023 FrescoBot talk contribs m 30,402 bytes −21 Bot: link syntax and minor changes undo

31 July 2023

• curprev 23:5423:54, 31 July 2023 Citation bot talk contribs 30,423 bytes +58 Add: bibcode. | Use this bot. Report bugs. | Suggested by Abductive | Category:Wikipedia articles needing clarification from June 2023 | #UCB_Category 165/727 undo

25 June 2023

• curprev 07:5207:52, 25 June 2023 Anomalocaris talk contribs m 30,365 bytes −1 Undid revision 1161820820 by Anomalocaris (talk)my confusion, there wasn't a blank line there; previously the markup continued on the same line as </gallery>, which is not the best style undo Tag: Undo
• curprev 07:5007:50, 25 June 2023 Anomalocaris talk contribs 30,366 bytes +1 restore blank line removed in previous edit, just for style undo Tag: Reverted
• curprev 07:4807:48, 25 June 2023 Anomalocaris talk contribs 30,365 bytes −10 glue two nowraps together to fix Whitespace parsing bug lint error undo
• curprev 07:2307:23, 25 June 2023 Wikiwald talk contribs m 30,375 bytes +11 →Negative group delay: Prevented line break from occurring at a left parenthisis. undo
• curprev 06:4406:44, 25 June 2023 Wikiwald talk contribs m 30,364 bytes +14 Undid revision 1161814006 by Wikiwald (talk) Erroneous edit. undo Tag: Undo
• curprev 06:4306:43, 25 June 2023 Wikiwald talk contribs 30,350 bytes −14 →Negative group delay undo Tag: Reverted
• curprev 06:3406:34, 25 June 2023 Wikiwald talk contribs m 30,364 bytes +7 →Negative group delay: Changed a number of hyphens to minus signs. undo

23 June 2023

• curprev 05:0805:08, 23 June 2023 Em3rgent0rdr talk contribs 30,357 bytes +45 →True time delay: need to say that this 1/sqrt(LC) is the speed. And TTD seems to be a condition, not a time, so reword slightly. undo Tag: Visual edit
• curprev 05:0105:01, 23 June 2023 Em3rgent0rdr talk contribs 30,312 bytes +200 →LTI system response to wave packet: Added clarification needed since there are missing math steps which have been left out that reveal how the slow envelope condition has simplified the convolution equation. Right now the readers just has to trust that the article is right when it says it is "very well approximated". undo Tag: Visual edit
• curprev 04:5204:52, 23 June 2023 Em3rgent0rdr talk contribs m 30,112 bytes +5 →Theory: insert "then" so clear that is second step after multiplying. undo Tag: Visual edit
• curprev 04:4704:47, 23 June 2023 Em3rgent0rdr talk contribs 30,107 bytes +100 →Theory: need to add "and applying the inverse transform to return to time domain" (as the rightmost expression says mathematically). undo Tag: Visual edit
• curprev 04:3704:37, 23 June 2023 Em3rgent0rdr talk contribs 30,007 bytes +58 →Theory undo Tag: Visual edit