28 January 2024
- 19:2219:22, 28 January 2024 diff hist +1,961 Bandwidth (signal processing) Added a new section with the noise equivalent bandwidth.
12 December 2020
- 19:1319:13, 12 December 2020 diff hist +84 Over the Hills and Far Away (Gary Moore song) add ref to Patty Gurdy cover
29 December 2016
- 19:0819:08, 29 December 2016 diff hist +31 m Quadrature amplitude modulation better link to PSK in Mutual Information section
- 19:0619:06, 29 December 2016 diff hist +59 m Phase-shift keying better link and English in Mutual Information section
- 17:3417:34, 29 December 2016 diff hist +342 Talk:Phase-shift keying comment on capacity plots
- 17:2617:26, 29 December 2016 diff hist +758 Phase-shift keying Updated section on Mutual Information (new figure and comments).
- 17:1417:14, 29 December 2016 diff hist −11 m Quadrature amplitude modulation Removed unnecessary "per symbol" in Mutual information section.
- 16:3416:34, 29 December 2016 diff hist +1,098 Quadrature amplitude modulation Added curves of Mutual Information.
20 December 2016
- 19:1419:14, 20 December 2016 diff hist +130 m Quadrature amplitude modulation Fixed and updated (with reference) the part regarding the BER of rectangular QAM.
1 November 2016
- 17:2717:27, 1 November 2016 diff hist +4 m Numerical methods for ordinary differential equations changed the nonsense "this approximation is exact"
- 17:1617:16, 1 November 2016 diff hist +34 m Q-function added AWGN assumption to QPSK example in inverse Q section
- 10:3210:32, 1 November 2016 diff hist +106 m Q value Added digital communications
- 10:1710:17, 1 November 2016 diff hist +787 Q-function Updated Inverse Q section with the introduction of the Q-factor and a conversion table expressed by an image.
31 October 2016
- 17:1217:12, 31 October 2016 diff hist −29 Q-function Undid revision 747130637 by Paolostar (talk)
- 16:4316:43, 31 October 2016 diff hist +29 m Q-function The Q-function is also called Q-factor in digital communications.
6 February 2016
- 17:0917:09, 6 February 2016 diff hist +646 Gaussian quadrature Added image (comparison between 2-point Gaussian quadrature and trapezoidal rule)
20 January 2016
- 18:4918:49, 20 January 2016 diff hist 0 m Cyclostationary process fixed typo
10 January 2016
- 15:4415:44, 10 January 2016 diff hist +7 m Self-phase modulation added "medium"
3 January 2016
- 09:4209:42, 3 January 2016 diff hist +9 m Self-phase modulation indent equations
2 January 2016
- 19:1219:12, 2 January 2016 diff hist +113 m Cyclostationary process added ref to average power spectral density. Fixed plural.
31 December 2015
- 16:2416:24, 31 December 2015 diff hist +4,298 Cyclostationary process Extended version with an example and a section regarding applications.
29 December 2015
- 09:4309:43, 29 December 2015 diff hist +17 m Self-phase modulation Added "homogeneous medium" to avoid misunderstandings with amplified systems.
- 09:4009:40, 29 December 2015 diff hist +37 m Self-phase modulation Added definition of Leff as an integral
27 December 2015
- 19:1019:10, 27 December 2015 diff hist −1 m Self-phase modulation Removed minus sign in the lim of \phi(z) for z -> infty.
- 17:4017:40, 27 December 2015 diff hist +3,630 m Self-phase modulation Restored missing sections, erroneously cancelled in the previous submission.
- 17:3317:33, 27 December 2015 diff hist +1,526 m Self-phase modulation Reported the initial sentences, erroneously cancelled in the previous submission.
- 17:2917:29, 27 December 2015 diff hist −2,459 Self-phase modulation The old "Theory" section is now called "SPM frequency shift". The new theory section introduces the SPM as a particular solution of the nonlinear Schroedinger equation.
23 December 2015
- 08:3008:30, 23 December 2015 diff hist +267 Talk:Unitary matrix →Error in "Elementary constructions" section
30 December 2014
- 17:5017:50, 30 December 2014 diff hist +669 Unitary matrix Added the general expression of a 3x3 unitary matrix.
- 17:2717:27, 30 December 2014 diff hist +1,287 Unitary matrix Added the general expression of a 2x2 unitary matrix.
- 10:1510:15, 30 December 2014 diff hist +46 m Unitary matrix Regarding matrix exponential form, I changed Z into the more common H, and I added the definition of imaginary unit.
29 December 2014
- 19:3619:36, 29 December 2014 diff hist +171 Unitary matrix Added equivalence between a unitary matrix and the exponential matrix of an Hermitian matrix (times imaginary unit).
1 January 2014
- 19:3419:34, 1 January 2014 diff hist −3 m Canticle of the Sun minor corrections regarding the reference to Angelo Branduardi
31 December 2013
- 17:4017:40, 31 December 2013 diff hist +168 Canticle of the Sun No edit summary
11 June 2007
- 14:5414:54, 11 June 2007 diff hist +32 N Overlap add ←Redirected page to Overlap-add Method
- 14:4514:45, 11 June 2007 diff hist +32 N Overlap-add ←Redirected page to Overlap-add Method
9 June 2007
- 20:1320:13, 9 June 2007 diff hist −30 Overlap–add method No edit summary
- 20:1120:11, 9 June 2007 diff hist +8,639 N Overlap–add method ←Created page with '== The Overlap-add Method == The '''overlap-add method''' (OA) is an efficient way to evaluate the discrete convolution between a very long signal <math>x(n)</...'
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