The U wave is a wave on an electrocardiogram (ECG). It comes after the T wave of ventricular repolarization and may not always be observed as a result...

additional U wave follows the T wave. To measure the QRS interval start at the end of the PR interval (or beginning of the Q wave) to the end of the S wave. Normally...

travelling wave; by contrast, a pair of superimposed periodic waves traveling in opposite directions makes a standing wave. In a standing wave, the amplitude...

electrocardiography, the T wave represents the repolarization of the ventricles. The interval from the beginning of the QRS complex to the apex of the T wave is referred...

This article mostly focuses on the scalar wave equation describing waves in scalars by scalar functions u = u (x, y, z, t) of a time variable t (a variable...

produces four entities – a P wave, a QRS complex, a T wave, and a U wave – that each have a fairly unique pattern. The P wave represents atrial depolarization...

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...

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...

pilot wave theory. Initially, de Broglie proposed a double solution approach, in which the quantum object consists of a physical wave (u-wave) in real...

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...

prolongation, ST-segment and T-wave depression, U-wave formation). The earliest ECG findings associated with hypokalemia are decreased T wave height. Then, ST depressions...

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...

u ) {\displaystyle G(u)} is now a function of a single real parameter u = d − c t {\displaystyle u=d-ct} , that describes the "profile" of the wave,...

(pound per square foot)) for an N-wave boom. Peak overpressures for U-waves are amplified two to five times the N-wave, but this amplified overpressure...

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...

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...

Wave dash (U+301C 〜 WAVE DASH) is a character represented in Japanese character encoding mainly used as a dash and chōonpu. The wave dash is similar to...

{\displaystyle \psi } is the wave function, u {\displaystyle u} is a periodic function with the same periodicity as the crystal, the wave vector k {\displaystyle...

coherent waves are combined by adding their intensities or displacements with due consideration for their phase difference. The resultant wave may have...

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...

Electrocardiography PR interval QRS complex QT interval ST segment T wave U wave Longmore, Murray (2004). Oxford Handbook of Clinical Medicine 8th edition...

that a wave travels through. Examples of waves are sound waves, light, water waves and periodic electrical signals in a conductor. A sound wave is a variation...

with a speed u {\displaystyle u} . Since the wave speed is u {\displaystyle u} , regions exhibiting large values of u {\displaystyle u} will be propagated...

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...

wave in Wiktionary, the free dictionary. The Wave may refer to: The Wave (1981 film), a TV movie based on The Third Wave social experiment The Wave (2008...

sneaker wave, also known as a sleeper wave, or in Australia as a king wave, is a disproportionately large coastal wave that can sometimes appear in a wave train...

led to the (old) Delft formula for wave run-up: R u = 8 H tan ⁡ α {\displaystyle Ru=8H\tan \alpha } in which: R u {\displaystyle Ru} is the run-up, H...

areas involving elastic waves, S waves, secondary waves, or shear waves (sometimes called elastic S waves) are a type of elastic wave and are one of the two...

Acoustic waves are types of waves that propagate through matter—such as gas, liquid, and/or solids—by causing the particles of the medium to compress and...

Schrödinger equation is a partial differential equation that governs the wave function of a non-relativistic quantum-mechanical system.: 1–2  Its discovery...