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- In mathematical analysis, the Dirac delta function (or δ distribution), also known as the unit impulse, is a generalized function on the real numbers...93 KB (13,792 words) - 13:12, 7 July 2024
- bandwidth. The pulses were more than 99 percent perfect and were produced using a simple laser and modulator. A Dirac pulse has the shape of the Dirac delta function...4 KB (440 words) - 04:45, 17 September 2023
- studying linear systems. Suppose you want to transmit a single, ideal Dirac pulse of electromagnetic power at time 0, i.e. x ( t ) = δ ( t ) {\displaystyle...11 KB (1,468 words) - 21:38, 13 August 2024
- Magnetic monopole (redirect from Dirac monopole)magnetic charge started with a paper by the physicist Paul Dirac in 1931. In this paper, Dirac showed that if any magnetic monopoles exist in the universe...75 KB (8,445 words) - 23:25, 31 July 2024
- Rectangular function (redirect from Unit pulse)(f)=1,} means that the frequency spectrum of the Dirac delta function is infinitely broad. As a pulse is shorten in time, it is larger in spectrum. Fourier...11 KB (1,667 words) - 20:09, 11 August 2024
- The Kapitza–Dirac effect is a quantum mechanical effect consisting of the diffraction of matter by a standing wave of light. The effect was first predicted...7 KB (1,296 words) - 04:02, 2 October 2023
- Usually the transmitted symbols are represented as a time sequence of dirac delta pulses multiplied with the symbol. This is the formal transition from the...7 KB (980 words) - 14:33, 24 March 2023
- frequencies (see the Fourier transform of the Dirac delta function, showing infinite frequency bandwidth that the Dirac delta function has), the impulse response...10 KB (1,223 words) - 12:58, 25 March 2024
- series of discrete Dirac impulses, in practice, a real DAC outputs pulses with finite bandwidth and width. Both idealized Dirac pulses, zero-order held...10 KB (1,267 words) - 06:05, 12 July 2024
- mathematically equivalent method uses the Dirac comb and proceeds by convolving one sinc function with a series of Dirac delta pulses, weighted by the sample values...51 KB (6,708 words) - 04:33, 31 July 2024
- Abraham–Lorentz force (redirect from Abraham–Lorentz–Dirac force)the relativistic version is called the Lorentz–Dirac force or collectively known as Abraham–Lorentz–Dirac force. The equations are in the domain of classical...38 KB (5,407 words) - 00:03, 2 June 2024
- optical pulses separated in time by the round-trip time of the laser cavity. The spectrum of such a pulse train approximates a series of Dirac delta functions...35 KB (4,245 words) - 18:21, 7 July 2024
- The modern theory of antimatter began in 1928, with a paper by Paul Dirac. Dirac realised that his relativistic version of the Schrödinger wave equation...77 KB (7,977 words) - 16:03, 23 August 2024
- impulse response equal to a rect function, and with input being a sequence of dirac impulses scaled to the sample values. The filter can then be analyzed in...7 KB (998 words) - 18:25, 19 July 2024
- originally formulated in a non-relativistic background, a few of them (e.g. the Dirac or path-integral formalism) also work with special relativity. Key features...86 KB (10,158 words) - 03:48, 22 June 2024
- electromagnetic pulses". Physical Review. 87 (4): 042106. arXiv:1303.6487. Bibcode:2013PhRvA..87d2106T. doi:10.1103/PhysRevA.87.042106. S2CID 118532838. Dirac, P....19 KB (2,362 words) - 20:40, 20 May 2024
- Ambiguity function (section Square pulse)In pulsed radar and sonar signal processing, an ambiguity function is a two-dimensional function of propagation delay τ {\displaystyle \tau } and Doppler...19 KB (3,643 words) - 03:04, 31 July 2024
- homogeneous energy input on the front side a time-dependent short pulse – in form of a Dirac delta function Several improvements on the models have been made...4 KB (495 words) - 14:43, 12 March 2024
- Gauge fixing (redirect from Dirac gauge)where xμ is the position four-vector. The nonlinear Dirac gauge condition (named after Paul Dirac) is: A μ A μ = k 2 {\displaystyle A_{\mu }A^{\mu }=k^{2}}...28 KB (4,271 words) - 21:58, 2 May 2024
- Electronic properties of graphene (section Dirac fluid)Graphene is a semimetal whose conduction and valence bands meet at the Dirac points, which are six locations in momentum space, the vertices of its hexagonal...44 KB (5,083 words) - 23:14, 4 August 2024
- value of Dirac’s description [on interference] his was probably the first discussion... including a coherent beam of light. In other words, Dirac wrote the
- Generally, this book uses the term "delta function" to refer to the Dirac Delta Function. w:Dirac delta function w:Kronecker delta There is a particular form