In physics, a standing wave, also known as a stationary wave, is a wave that oscillates in time but whose peak amplitude profile does not move in space...
47 KB (6,566 words) - 05:17, 22 February 2025
In radio engineering and telecommunications, standing wave ratio (SWR) is a measure of impedance matching of loads to the characteristic impedance of...
32 KB (4,482 words) - 11:51, 30 April 2025
travelling wave; by contrast, a pair of superimposed periodic waves traveling in opposite directions makes a standing wave. In a standing wave, the amplitude...
61 KB (7,810 words) - 05:56, 1 April 2025
Short-time Fourier transform (redirect from Standing wave discrete Fourier transform)
The short-time Fourier transform (STFT) is a Fourier-related transform used to determine the sinusoidal frequency and phase content of local sections of...
22 KB (4,055 words) - 09:25, 3 March 2025
Thermoacoustics (section Standing-wave systems)
= v A l {\displaystyle v_{Ar}=v_{Al}} , we are dealing with a pure standing wave. Figure 1a gives the dependence of the velocity and position amplitudes...
22 KB (3,158 words) - 16:08, 19 March 2025
The wave equation is a second-order linear partial differential equation for the description of waves or standing wave fields such as mechanical waves (e...
60 KB (10,783 words) - 12:19, 24 May 2025
Wavelength (redirect from Wave length)
on the wave, such as two adjacent crests, troughs, or zero crossings. Wavelength is a characteristic of both traveling waves and standing waves, as well...
36 KB (4,299 words) - 20:17, 15 May 2025
Dipole antenna (redirect from Half wave radiator)
frequency is advantageous in terms of feedpoint impedance (and thus standing wave ratio), so its length is determined by the intended wavelength (or frequency)...
89 KB (12,477 words) - 20:43, 30 May 2025
R=0} the wave becomes a travelling wave moving leftwards. A standing wave can be obtained by R = 0.5 {\displaystyle R=0.5} . In a travelling wave pressure...
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tube, also known as a standing wave flame tube, or simply flame tube, is a physics apparatus for demonstrating acoustic standing waves in a tube. Invented...
10 KB (1,304 words) - 10:10, 13 February 2025
Seiche (redirect from Underwater wave)
A seiche (/seɪʃ/ SAYSH) is a standing wave in an enclosed or partially enclosed body of water. Seiches and seiche-related phenomena have been observed...
37 KB (4,176 words) - 18:13, 15 May 2025
Resonance (redirect from Wave resonance)
amplitude of the left- and right-traveling waves interfering to form the standing wave, k {\displaystyle k} is the wave number, f {\displaystyle f} is the frequency...
60 KB (7,980 words) - 02:32, 27 May 2025
Monopole antenna (redirect from Quarter-wave antenna)
antenna; the rod functions as an open resonator for radio waves, oscillating with standing waves of voltage and current along its length. Therefore the length...
105 KB (12,959 words) - 15:33, 26 May 2025
Waveguide (redirect from Wave guide)
added to the incoming waves creates a standing wave. An impedance mismatch can be also quantified with the standing wave ratio (SWR or VSWR for voltage), which...
29 KB (3,495 words) - 03:16, 1 May 2025
that looks like a standing wave. As the circuit board makes contact with this wave, the components become soldered to the board. Wave soldering is used...
10 KB (1,181 words) - 23:45, 30 January 2025
River surfing (section Standing waves)
River surfing is the sport of surfing either standing waves, tidal bores or upstream waves in rivers. Claims for its origins include a 1955 ride of 2...
27 KB (2,945 words) - 02:13, 27 May 2025
Normal mode (section Standing waves)
orthogonal to each other. In the wave theory of physics and engineering, a mode in a dynamical system is a standing wave state of excitation, in which all...
21 KB (3,284 words) - 02:08, 15 September 2024
Optical microcavity (section Standing-wave)
circular fashion to form a ring. The former type is a standing wave cavity, and the latter is a traveling wave cavity. The name microcavity stems from the fact...
10 KB (1,210 words) - 21:54, 26 May 2025
A sine wave, sinusoidal wave, or sinusoid (symbol: ∿) is a periodic wave whose waveform (shape) is the trigonometric sine function. In mechanics, as a...
10 KB (1,332 words) - 22:13, 6 March 2025
particular relevance to stubs. Reflections cause standing waves to be set up on the line. Conversely, standing waves are an indication that reflections are present...
24 KB (4,000 words) - 18:10, 9 April 2025
The X-ray standing wave (XSW) technique can be used to study the structure of surfaces and interfaces with high spatial resolution and chemical selectivity...
8 KB (993 words) - 10:38, 28 January 2025
overall complex phase factor, so as to form a standing wave. The oscillation frequency of the standing wave, multiplied by the Planck constant, is the energy...
10 KB (1,181 words) - 23:13, 13 July 2024
is the case, for example, of the light waves from a distant star that arrive at a telescope. A standing wave is a field whose value can be expressed...
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microphone does). These devices can be designed to use either a standing wave or a travelling wave. Compared to vapor refrigerators, thermoacoustic refrigerators...
14 KB (1,677 words) - 01:01, 26 May 2025
demonstrate longitudinal waves in a gas (which can often be difficult to visualise). It is used today only for demonstrating standing waves and acoustical forces...
7 KB (902 words) - 21:49, 10 September 2022
Rogue waves (also known as freak waves or killer waves) are large and unpredictable surface waves that can be extremely dangerous to ships and isolated...
113 KB (12,437 words) - 10:20, 5 April 2025
quantum mechanical effect consisting of the diffraction of matter by a standing wave of light, in complete analogy to the diffraction of light by a periodic...
11 KB (1,759 words) - 22:15, 26 May 2025
(traveling wave) or be stationary (standing wave). Atmospheric waves range in spatial and temporal scale from large-scale planetary waves (Rossby waves) to minute...
5 KB (594 words) - 10:49, 12 May 2025
Node (physics) (category Waves)
A node is a point along a standing wave where the wave has minimum amplitude. For instance, in a vibrating guitar string, the ends of the string are nodes...
10 KB (1,365 words) - 13:49, 14 March 2025
principle of the Sagnac effect which shifts the nulls of the internal standing wave pattern in response to angular rotation. Interference between the counter-propagating...
12 KB (1,431 words) - 18:17, 14 December 2024