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Motor response evoked by electrical stimulation of a nerve
In neuroscience, an F wave is one of several motor responses which may follow the direct motor response (M) evoked by electrical stimulation of peripheral
F_wave
Dynamic disturbance in a medium or field
Temperature waves or chemical reaction waves demonstrate that waves need not be a material displacement. Mathematically, a wave is described by a function F ( x
Wave
Wave shaped like the sine function
the sound wave described by a sine function with f = 220 oscillations per second. Problems playing this file? See media help. A sine wave represents
Sine_wave
Differential equation for the description of waves or standing wave
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
Wave_equation
heat wave that would not be seen again until the heat waves of the 21st century. The maximum recorded temperature of the heat wave, 35.9 °C (96.6 °F) at
List_of_heat_waves
Muscle response
response is usually a clear wave, called H-wave, 28-35 ms after the stimulus, not to be confused with an F-wave. An M-wave, an early response, occurs 3-6
H-reflex
Prolonged period of excessively hot weather
consecutive days above 45 °C (113 °F), highlighting the increasing frequency and severity of extreme heat events worldwide. Heat waves form when a high-pressure
Heat_wave
Diagnostic test for nerve function
recording site by the latency: Conduction velocity = Distance/Latency. F-wave study uses supramaximal stimulation of a motor nerve and recording of action
Nerve_conduction_study
Type of wave propagating in 3 dimensions
complex exponential plane wave. When the values of F {\displaystyle F} are vectors, the wave is said to be a longitudinal wave if the vectors are always
Plane_wave
Quantum mechanical waves describing matter
Matter waves are a central part of the theory of quantum mechanics, being half of wave–particle duality. At all scales where measurements have been practical
Matter_wave
25.7 °C (78.3 °F), surpassing the record set in 2005. Ontario recorded the highest temperature since the 1936 North American heat wave on July 13. Armstrong
2026_North_American_heat_wave
Wave that remains in a constant position
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
Standing_wave
Frequency change of a wave for observer relative to its source
frequency f {\displaystyle f} and emitting frequency f 0 {\displaystyle f_{\text{0}}} of a wave propagating through a medium is given by: f = ( v m ±
Doppler_effect
Weather phenomenon
dropping below 20 °F (−7 °C). A cold wave of sufficient magnitude and duration may be classified as a cold air outbreak (CAO). A cold wave can cause death
Cold_wave
Type of wave
Longitudinal waves are waves which oscillate in the direction which is parallel to the direction in which the wave travels and displacement of the medium
Longitudinal_wave
Physical model of propagating energy
electromagnetic radiation (EMR) or an electromagnetic wave (EMW) is a self-propagating wave of the electromagnetic field that carries momentum and radiant
Electromagnetic_radiation
Eigenvalue problem for the Laplace operator
differential equation: ∇ 2 f = − k 2 f , {\displaystyle \nabla ^{2}f=-k^{2}f,} where ∇2 is the Laplace operator, –k2 is the eigenvalue, and f is the (eigen)function
Helmholtz_equation
Unexpectedly large transient ocean surface wave
Rogue waves (also known as freak waves, monster waves, or killer waves) are large and unpredictable surface waves that can be extremely dangerous to ships
Rogue_wave
Non-sinusoidal waveform
Sawtooth wave 5 seconds of 220 Hz sawtooth wave Problems playing this file? See media help. The sawtooth wave (or saw wave) is a kind of non-sinusoidal
Sawtooth_wave
Woodblock print by Hokusai (1831)
The Great Wave off Kanagawa (Japanese: 神奈川沖浪裏, Hepburn: Kanagawa-oki Nami Ura; lit. 'Under the Wave off Kanagawa') is a woodblock print by the Japanese
The_Great_Wave_off_Kanagawa
Concept in quantum mechanics
Wave–particle duality is the concept in quantum mechanics that fundamental entities of the universe, like photons and electrons, exhibit particle or wave
Wave–particle_duality
Inertial wave in rotating fluids
Rossby waves, also known as planetary waves, are a type of inertial wave naturally occurring in rotating fluids. They were first identified by Sweden-born
Rossby_wave
This is a list of wave topics. Contents: Top 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Index_of_wave_articles
Measure used in radio engineering and telecommunications
component of a standing wave in a uniform transmission line consists of the forward wave (with complex amplitude V f {\displaystyle V_{f}} ) superimposed on
Standing_wave_ratio
Elastic waves propagating in solid plates or spheres
Lamb waves propagate in solid plates or spheres. They are elastic waves whose particle motion lies in the plane that contains the direction of wave propagation
Lamb_waves
Type of electromagnetic radiation
frequency f {\displaystyle f} of the wave. The relation of frequency and wavelength in a radio wave traveling in vacuum or air is λ = c f , {\displaystyle
Radio_wave
late July, a second heat wave occurred, during which all-time records were broken by 3 °C (5.4 °F) in Belgium, by 2.1 °C (3.8 °F) in Germany and the Netherlands
2019_European_heatwaves
Extreme weather event
The 1936 North American heat wave was one of the most severe heat waves in the modern history of North America. It took place in the middle of the Great
1936_North_American_heat_wave
Type of non-sinusoidal waveform
Square wave sound sample 5 seconds of square wave at 220 Hz Sine wave sound sample For comparison, five seconds of a 220 Hz sine wave. Problems playing
Square_wave_(waveform)
Distance over which a wave's shape repeats
wave and f {\displaystyle f} is the wave's frequency. In a dispersive medium, the phase speed itself depends upon the frequency of the wave, making the
Wavelength
Surface waves generated by wind on open water
In fluid dynamics, a wind wave, or wind-generated water wave, is a surface wave that occurs on the free surface of bodies of water as a result of the
Wind_wave
American college football season
Green Wave (0–0) – Game summary at Yulman Stadium • New Orleans, LA Date: August 30 Game time: 11:00 a.m. CDT Game weather: Sunny • Temperature: 83 °F (28 °C)
2025 Tulane Green Wave football team
2025_Tulane_Green_Wave_football_team
2021 heat wave in the Pacific Northwest and Western Canada
America heat wave was an extreme heat wave that affected much of Western North America from late June through early July 2021. The heat wave affected Northern
2021 Western North America heat wave
2021_Western_North_America_heat_wave
Type of singularity analysis
precisely in microlocal analysis, the wave front (set) WF(f) characterizes the singularities of a generalized function f, not only in space, but also with
Wave_front_set
Moving wave that has oscillations perpendicular to the direction of the wave
a transverse wave is a wave that oscillates perpendicularly to the direction of the wave's advance. In contrast, a longitudinal wave travels in the
Transverse_wave
Summer heat waves
The 2010 Northern Hemisphere summer heat waves included severe heat waves that impacted most of the United States, Kazakhstan, Mongolia, China, Hong Kong
2010 Northern Hemisphere heat waves
2010_Northern_Hemisphere_heat_waves
Number of occurrences or cycles per unit time
frequency f of a sinusoidal wave is equal to the phase velocity v of the wave divided by the wavelength λ of the wave: f = v λ . {\displaystyle f={\frac
Frequency
Mathematical description of quantum state
determines how wave functions evolve over time, and a wave function behaves qualitatively like other waves, such as water waves or waves on a string, because
Wave_function
Fundamental principle of physics
additivity F ( x 1 + x 2 ) = F ( x 1 ) + F ( x 2 ) {\displaystyle F(x_{1}+x_{2})=F(x_{1})+F(x_{2})} and homogeneity F ( a x ) = a F ( x ) {\displaystyle F(ax)=aF(x)}
Superposition_principle
Weather event
American cold wave occurred over the midwestern and eastern regions of the United States and southern Canada in January 1994. The cold wave caused over
1994_North_American_cold_wave
Constant related to electromagnetic wave propagation in a medium
propagation the wave impedance is: Z = Z 0 1 − ( f c f ) 2 (TE modes) , {\displaystyle Z={\frac {Z_{0}}{\sqrt {1-\left({\frac {f_{c}}{f}}\right)^{2}}}}\qquad
Wave_impedance
5-day heat wave leading to over 700 heat-related deaths
in the upper 70s and lower 80s °F (about 26 °C). The humidity made a large difference for the heat in this heat wave when compared to the majority of
1995_Chicago_heat_wave
Aspect of relativity in physics
Gravitational waves are waves of spacetime curvature produced by the relative motion of gravitating masses and which propagate away at the speed of light
Gravitational_wave
Heat wave in southern Pakistan
A severe heat wave with temperatures as high as 49 °C (120 °F) struck southern Pakistan in June 2015. It caused the deaths of about 2,000 people from
2015_Pakistan_heat_wave
Transport of energy by wind waves, and the capture of that energy to do useful work
desalination, or pumping water. A machine that exploits wave power is a wave energy converter (WEC). Waves are generated primarily by wind passing over the sea's
Wave_power
Speed of sound wave through elastic medium
by a sound wave as it propagates through an elastic medium. More simply, the speed of sound is how fast vibrations travel. At 20 °C (68 °F), the speed
Speed_of_sound
Short "burst" or "envelope" of restricted wave action that travels as a unit
In physics, a wave packet (also known as a wave train or wave group) is a short burst of localized wave action that travels as a unit, outlined by an
Wave_packet
Major heat wave in Europe
European heat wave saw the hottest summer recorded in Europe since at least 1540. Spain, France, and Italy were hit especially hard. The heat wave led to health
2003_European_heatwave
Height that waves reach on a slope
Wave run-up is the height to which waves run up the slope of a revetment, bank or dike, regardless of whether the waves are breaking or not. Conversely
Wave_run-up
Series of water waves
(t)soo-NAH-mee, (t)suu-; from Japanese: 津波, lit. 'harbour wave', pronounced [tsɯnami]) is a series of waves in a water body caused by the displacement of a large
Tsunami
Coffee movement emphasizing quality
Third-wave coffee is a term primarily in the United States coffee industry emphasizing higher quality, single-origin farms and light roast to bring out
Third-wave_coffee
Weather event in North America
reaching upwards of 131 °F (55 °C). On a national basis, the heat wave was the hottest in 75 years. Before the start of the heat wave, two derecho events took
2011_North_American_heat_wave
Spatial frequency of a wave
wavenumber (or wave number), also known as repetency, is the spatial frequency of a wave. Ordinary wavenumber is defined as the number of wave cycles divided
Wavenumber
Phenomenon resulting from the superposition of two waves
is the wavenumber and ω = 2 π f {\displaystyle \omega =2\pi f} is the angular frequency of the wave. Suppose a second wave of the same frequency and amplitude
Wave_interference
Periodic rectangular waveform
A pulse wave, pulse train, or rectangular wave is a sequence of discrete pulses occurring in a signal over time. Typically, these pulses are of similar
Pulse_wave
Quantum computing company
-122.9990452 D-Wave Quantum Inc. is a quantum computing company with locations in Palo Alto, California and Burnaby, British Columbia. D-Wave claims to be
D-Wave_Systems
Wave where gravity is the main restoring force
called a wave orbit. Gravity waves on an air–sea interface of the ocean are called surface gravity waves (a type of surface wave), while gravity waves that
Gravity_wave
Smooth curve outlining the extremes of an oscillating signal
waves of almost the same wavelength and frequency: F ( x , t ) = sin [ 2 π ( x λ − Δ λ − ( f + Δ f ) t ) ] + sin [ 2 π ( x λ + Δ λ − ( f − Δ f )
Envelope_(waves)
Weather event in Asia
In early June, the maximum temperature rose to about 41 °C (106 °F). The heat wave caused primary schools to be closed, and frequent power cuts, with
2023_Asia_heat_wave
Heat event caused by polar vortex weakening
reach temperatures 10 °C (18.0 °F) above normal in July 2024, up to a 28 °C (50.4 °F) increase above average. The heat wave was significant for occurring
2024_Antarctica_heat_wave
atrial impulse is conducted. In this circumstance, an alteration in the F-wave to QRS relationship is seen.[citation needed] Atrioventricular node Electrocardiogram
Concealed_conduction
Series of waves generated by distant weather systems
surface gravity waves. These surface gravity waves have their origin as wind waves, but are the consequence of dispersion of wind waves from distant weather
Swell_(wave)
Forces in naval architecture
are displacement vessels, three main sources of resistance are considered: wave-making, pressure of the moving water on the form (often not calculated or
Ship resistance and propulsion
Ship_resistance_and_propulsion
Interpretation of quantum mechanics
The de Broglie–Bohm theory, also known as the pilot wave theory, Bohmian mechanics, and the causal interpretation, is an interpretation of quantum mechanics
De_Broglie–Bohm_theory
Potential for two waves to interfere
expresses the potential for two waves to interfere. Two monochromatic beams from a single source always interfere. Even for wave sources that are not strictly
Coherence_(physics)
American rapper and singer (born 1998)
Rodarius Marcell Green (born August 27, 1998), known professionally as Rod Wave, is an American rapper, singer, and songwriter. Signed to Alamo Records,
Rod_Wave
Vector describing a wave; often its propagation direction
where: f {\displaystyle f} is the frequency ν ~ {\displaystyle {\tilde {\boldsymbol {\nu }}}} is the wave vector The direction in which the wave vector
Wave_vector
Antenna consisting of two rod-shaped conductors
to mean a center-fed half-wave dipole. A true half-wave dipole is one half of the wavelength λ in length, where λ = c/ f in free space. Such a dipole
Dipole_antenna
Traffic signal timing technique
A green wave or platoon effect occurs when a series of traffic lights (usually three or more) are coordinated to allow continuous traffic flow over several
Green_wave
Type of highway congestion
Fundamental diagram of traffic flow Green wave Road traffic control Rule 184 Wavelength Shock wave Standing wave Daganzo C.F 1994 The cell transmission model:
Traffic_wave
Beginning in March 2024, severe heat waves impacted Mexico, the Southern and Western United States, and Central America, leading to dozens of broken temperature
2024_North_America_heat_waves
Type of wave in the ocean or atmosphere
A Kelvin wave is a wave in the ocean, a large lake or the atmosphere that balances the Earth's Coriolis force against a topographic boundary such as a
Kelvin_wave
Optical polarization device
alters the polarization state of a light wave travelling through it. Two common types of waveplates are the half-wave plate, which rotates the polarization
Waveplate
This article summarizes equations in the theory of waves. A wave can be longitudinal where the oscillations are parallel (or antiparallel) to the propagation
List of equations in wave theory
List_of_equations_in_wave_theory
Type of energy propagation
Acoustic waves are types of mechanical waves that propagate through matter—such as gas, liquid, and/or solids—by causing the particles of the medium to
Acoustic_wave
Nonlinear and periodic surface wave on an inviscid fluid layer of constant mean depth
In fluid dynamics, a Stokes wave is a nonlinear and periodic surface wave on an inviscid fluid layer of constant mean depth. This type of modelling has
Stokes_wave
Weather Disaster
wave began in June when a strong high pressure ridge began to build in the central and southern United States allowing temperatures to soar to 90 °F (32 °C)
1980_United_States_heat_wave
American college football season
Green Wave (9–2) – Game summary at Yulman Stadium • New Orleans, Louisiana Date: November 28th Game time: 6:30 p.m. CST Game weather: Temperature: 56 °F (13 °C)
2024 Tulane Green Wave football team
2024_Tulane_Green_Wave_football_team
Low-frequency plasma wave
In plasma physics, an Alfvén wave, named after Hannes Alfvén, is a type of plasma wave in which ions oscillate in response to a restoring force provided
Alfvén_wave
Numerical modelling of the sea state
fluid dynamics, wind wave modeling describes the effort to depict the sea state and predict the evolution of the energy of wind waves using numerical techniques
Wind_wave_model
Sinusoidal wave without any modulation
In telecommunications, a carrier wave, carrier signal, or just carrier, is a periodic waveform (usually sinusoidal) that conveys information through a
Carrier_wave
Heat wave affecting North America
(95 °F (35 °C)), Galveston (86 °F (30 °C)), Wichita Falls (84 °F (29 °C)), Houston (81 °F (27 °C)) and Laredo (81 °F (27 °C)), on July 20. The heat wave was
2022 North American heat waves
2022_North_American_heat_waves
1911 severe heat wave in the northeastern United States
wave was an 11-day severe heat wave that killed at least 380 people, though estimates have put the death toll as high as 2,000 people. The heat wave began
1911 Eastern North America heat wave
1911_Eastern_North_America_heat_wave
Non-sinusoidal waveform
Triangle wave sound sample 5 seconds of triangle wave at 220 Hz Problems playing this file? See media help. Additive Triangle wave sound sample After
Triangle_wave
Type of elastic body wave
In solid mechanics, S waves, secondary waves, or shear waves (sometimes called elastic S waves) are a type of elastic wave and are one of the two main
S_wave
Natural disaster
heat waves in the country, a trend partly attributed to climate change. Churu district in Rajasthan recorded a temperature of 50.5 °C (122.9 °F), the
2024_Indian_heat_wave
American multi-role fighter aircraft
provide Interrupted Continuous Wave guidance for semi-active radar homing (SARH) missiles like the AIM-7 Sparrow. Block 50/52 F-16s initially used the more
General Dynamics F-16 Fighting Falcon
General_Dynamics_F-16_Fighting_Falcon
Concept in physics
In plasma physics, waves in plasmas are an interconnected set of particles and fields which propagate in a periodically repeating fashion. A plasma is
Waves_in_plasmas
Major heat wave in April and May
2016 Indian heat wave was a major heat wave in April and May of that year. A national record high temperature of 51.0 °C (123.8 °F) was set in the town
2016_Indian_heat_wave
WWII Women's Navy Branch
United States Naval Reserve (Women's Reserve), better known as the WAVES (for Women Accepted for Volunteer Emergency Service), was the women's branch
WAVES
Mathematical transform that expresses a function of time as a function of frequency
f = f RE + f RO + i f IE + i f IO ⏟ ⇕ F ⇕ F ⇕ F ⇕ F ⇕ F F r e q u e n c y d o m a i n f ^ = f ^ RE + i f ^ IO ⏞ + i f ^ IE + f ^
Fourier_transform
Heat wave affecting Japan, Korea and China
Throughout much of July 2018, a record-breaking heat wave affected large areas of Northeast Asia including Japan, North Korea, South Korea and China. Many
2018_Northeast_Asia_heat_wave
Starting in May 2023, a heat wave affected Western North America. The heat wave entailed wildfires in Alberta, record temperatures across Canada and the
2023 Western North America heat wave
2023_Western_North_America_heat_wave
Severe heatwave in India and Pakistan
documented temperatures exceeding 43.0 °C (109.4 °F), with many areas classified as experiencing severe heat wave conditions according to official meteorological
2025_India–Pakistan_heat_wave
Nonlinear and exact periodic wave solution of the Korteweg–de Vries equation
In fluid dynamics, a cnoidal wave is a nonlinear and exact periodic wave solution of the Korteweg–de Vries equation. These solutions are in terms of the
Cnoidal_wave
Weather event
The January 2025 North American cold wave was an extreme weather event that brought extremely cold temperatures to a majority of the Lower 48 of the continental
January 2025 North American cold wave
January_2025_North_American_cold_wave
Period of hot weather in 1990
During the 1990 heat wave in the United Kingdom a weather station recorded a temperature of 37.1 °C (98.8 °F) for Cheltenham, Gloucestershire. Moorland
1990_United_Kingdom_heatwave
Severe winter in the UK
severe cold wave at the start of December. The Central England Temperature region (CET) recorded a daily mean temperature of 0.3 °C (32.5 °F) and a daily
1981–82 United Kingdom cold wave
1981–82_United_Kingdom_cold_wave
Weather event in Australia
40 °C (104 °F), while Mildura, Victoria recorded an all-time record twelve consecutive days over 43 °C (109 °F). The exceptional heat wave was caused by
2009 southeastern Australia heat wave
2009_southeastern_Australia_heat_wave
Physical phenomenon
physics, a surface wave is a mechanical wave that propagates along the interface between differing media. A common example is gravity waves along the surface
Surface_wave
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