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- ...gnals are added together by a physical process, such as two periodic sound waves emitted by two sources and recorded together by a microphone. This is usual [[Image:Sine waves same phase.svg|thumb|In-phase signals]] ...19 KB (3,103 words) - 08:57, 4 January 2024
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- ...[P wave (electrocardiography)|P waves]], or between the [[T wave|T]] and P waves if the U wave is absent, is called the '''isoelectric''' line (baseline) of ...1 KB (147 words) - 13:09, 16 January 2024
- {{short description|Medium through which electromagnetic waves propagate}} ...(electromagnetism)|permeability]] of the medium define how electromagnetic waves propagate in it. ...3 KB (449 words) - 10:39, 22 January 2023
- ...nnae]], and nulls caused by [[Reflection (physics)|reflections]] of [[Wave|waves]]. ...ngle direction in which the microphone does not respond to impinging sound waves. Highly directional (shotgun) microphones have more complex polar patterns ...5 KB (792 words) - 03:42, 22 August 2023
- * {{US Patent|706745}}, "Signaling by Electromagnetic Waves" – issued 12 August 1902 * {{US Patent|706746}}, "Signaling by Electromagnetic Waves" ([[ground plane]]) – 12 August 1902 ...13 KB (1,357 words) - 23:49, 14 May 2023
- ...ectrical and electronic devices, the [[signal]]s travel as electromagnetic waves typically at [[Velocity factor#Typical velocity factors|50%–99% of the spee ==Electromagnetic waves== ...9 KB (1,375 words) - 02:13, 25 January 2024
- ...e. More precisely, the theory describes a [[resonant interaction]] between waves at various different frequencies; the resonant interaction describes which ...ems that involve energy storage for waves, and nonlinear generation of new waves, can make use of the same relations. ...5 KB (681 words) - 22:20, 7 October 2022
- *{{cite book |first=B.A. |last=Auld |title=Acoustic fields and waves in solids |url=https://books.google.com/books?id=_2MWAwAAQBAJ&pg=PP1 |publi ....M. |last2=Voltmer |title=Direct piezoelectric coupling to surface elastic waves |journal=Appl. Phys. Lett. |volume=7 |issue=12 |pages=314–6 |year=1965 |doi ...3 KB (419 words) - 21:14, 13 February 2023
- [[Image:Wave group.gif|frame|[[Dispersion (water waves)|Frequency dispersion]] in groups of [[gravity wave]]s on the surface of de New waves seem to emerge at the back of a wave group, grow in amplitude until they ar ...9 KB (1,326 words) - 22:07, 19 January 2024
- ...units]]. Intensity is used most frequently with [[wave]]s such as acoustic waves ([[sound]]) or [[electromagnetic wave]]s such as [[light]] or [[radio wave] For non-monochromatic waves, the intensity contributions of different spectral components can simply be ...5 KB (796 words) - 13:05, 12 February 2024
- ...r-Corum_2016">{{cite book |doi=10.1109/WMCaS.2016.7577497 |chapter=Surface waves and the 'crucial' propagation experiment — the key to efficient wireless po ...book |last1=Barlow |first1=H. |last2=Brown |first2=J. |title=Radio Surface Waves |date=1962 |publisher=Oxford University Press |location=London |pages=v, vi ...6 KB (776 words) - 00:12, 24 July 2023
- ...lip of an [[Induction motor|electric motor]], it can arise from a [[Phase (waves)|phase lag]] between an applied rotating [[electric field]] and the respect ...1,011 bytes (126 words) - 21:37, 13 October 2023
- The [[fluid dynamics|hydrodynamic]] impact of especially [[wind wave|waves]], [[tide]]s, [[storm surge]]s and [[tsunami]]s and (often) the harsh envir ...l environment produces challenges specific for this branch of engineering: waves, storm surges, tides, tsunamis, [[sea level]] changes, [[sea water]] and th ...9 KB (1,123 words) - 22:22, 13 January 2024
- ...</ref> refers to the phenomenon in which certain [[Radio propagation|radio waves can propagate]] in the space between the ground and the boundary of the [[i ...agation within the Earth–ionosphere waveguide. The ground wave and two sky waves are displayed]] ...12 KB (1,790 words) - 02:27, 19 October 2022
- Paul Lorrain and Dale Corson, "Electromagnetic Fields and Waves, 2nd ed", W.H. Freeman and Company (1970). ...1 KB (187 words) - 06:36, 9 March 2023
- ==Progressive sine waves== ...6 KB (865 words) - 16:01, 9 January 2024
- ...represent the properties of the [[Optical medium|media]] through which the waves propagate. The permittivity can have [[Real number|real]] and [[Imaginary There are often other contributions to power loss for electromagnetic waves that are not included in this expression, such as due to the wall currents ...8 KB (1,217 words) - 16:40, 6 November 2023
- ...er Wavelengths| journal = International Journal of Infrared and Millimeter Waves | volume = 19 | issue = 7 | pages = 931 | year = 1998 | doi = 10.1023/A:102 ...1 KB (197 words) - 21:54, 14 July 2022
- ...city (physics)|elastic]] materials the stress and strain occur in [[Phase (waves)|phase]], so that the response of one occurs simultaneously with the other. *In purely [[viscosity|viscous]] materials, there is a [[Phase (waves)#Phase difference|phase difference]] between stress and strain, where strai ...5 KB (674 words) - 02:53, 22 February 2024
- ==Progressive sine waves== ...7 KB (1,088 words) - 17:38, 24 August 2023
- ..., then these waves are said to be "coupled." This normally occurs when the waves share a common component. An example of this is two pendulums connected by ...the spring.<ref name=":0">{{Cite book|title=The Physics of Vibrations and Waves | edition = Fourth | last=Pain|first=H.J.| publisher=Wiley | year=1993| isb ...9 KB (1,372 words) - 07:18, 25 January 2024
