• Thumbnail for Envelope (waves)
    The figure illustrates a modulated sine wave varying between an upper envelope and a lower envelope. The envelope function may be a function of time, space...
    14 KB (1,836 words) - 21:48, 5 January 2024
  • may be synchronized with another oscillator by oscillator sync. Envelope (waves) Envelope detector Pinch, Trevor; Trocco, Frank (2004). Analog Days: The...
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  • Thumbnail for Group velocity
    Group velocity (category Wave mechanics)
    velocity of a wave is the velocity with which the overall envelope shape of the wave's amplitudes—known as the modulation or envelope of the wave—propagates...
    24 KB (3,363 words) - 17:02, 12 February 2024
  • Thumbnail for Wavelength
    Wavelength (redirect from Wave length)
    modulated waves, and to the sinusoidal envelopes of modulated waves or waves formed by interference of several sinusoids. Assuming a sinusoidal wave moving...
    35 KB (4,288 words) - 06:22, 28 April 2024
  • Thumbnail for Wave
    and electronics waves are studied as signals. On the other hand, some waves have envelopes which do not move at all such as standing waves (which are fundamental...
    62 KB (7,927 words) - 19:47, 24 April 2024
  • Thumbnail for Common envelope
    of gravitational waves and Type Ia supernovae. Predictions of the outcome of common envelope evolution are uncertain. A common envelope is sometimes confused...
    10 KB (1,104 words) - 18:20, 25 February 2024
  • Thumbnail for Phase velocity
    Phase velocity (category Wave mechanics)
    have a product of two waves: an envelope wave formed by f1 and a carrier wave formed by f2 . We call the velocity of the envelope wave the group velocity...
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  • reliably detect an object Envelope (waves), a curve outlining the peak values of an oscillating waveform or signal Envelope detector, an electronic circuit...
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  • Thumbnail for Wave packet
    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 envelope. A...
    35 KB (5,351 words) - 20:35, 16 March 2024
  • 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...
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  • sometimes called the amplitude. For symmetric periodic waves, like sine waves, square waves or triangle waves peak amplitude and semi amplitude are the same....
    14 KB (1,683 words) - 03:34, 27 April 2024
  • amplitude envelope is always higher than that of a constant envelope modulation. Constant-weight code Envelope (waves) "Advantages of Constant Envelope Modulation"...
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  • Thumbnail for Nonlinear Schrödinger equation
    gravity waves on the surface of deep inviscid (zero-viscosity) water; the Langmuir waves in hot plasmas; the propagation of plane-diffracted wave beams...
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  • Thumbnail for Envelope detector
    than the negative input terminal. Most practical envelope detectors use either half-wave or full-wave rectification of the signal to convert the AC audio...
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  • Thumbnail for Beat (acoustics)
    Beat (acoustics) (redirect from Beat wave)
    that the envelope of the maxima and minima form a wave whose frequency is half the difference between the frequencies of the two original waves. Consider...
    12 KB (1,423 words) - 03:50, 28 April 2024
  • Thumbnail for Polarization (waves)
    light and radio waves, gravitational waves, and transverse sound waves (shear waves) in solids. An electromagnetic wave such as light consists of a coupled...
    72 KB (9,296 words) - 21:56, 18 March 2024
  • Thumbnail for Rogue wave
    Rogue waves (also known as freak waves, monster waves, episodic waves, killer waves, extreme waves, and abnormal waves) are unusually large and unpredictable...
    111 KB (12,298 words) - 09:44, 27 April 2024
  • quantum-mechanical wavefunction. These electron waves are not ordinary sinusoidal waves, but they do have a kind of envelope function which is sinusoidal, and the...
    13 KB (2,139 words) - 05:45, 11 September 2023
  • A back-of-the-envelope calculation is a rough calculation, typically jotted down on any available scrap of paper such as an envelope. It is more than a...
    12 KB (1,357 words) - 15:33, 4 January 2024
  • Thumbnail for Envelope (mathematics)
    In geometry, an envelope of a planar family of curves is a curve that is tangent to each member of the family at some point, and these points of tangency...
    27 KB (4,489 words) - 05:37, 1 February 2023
  • Thumbnail for Synthesizer
    altered by components such as filters, which cut or boost frequencies; envelopes, which control articulation, or how notes begin and end; and low-frequency...
    53 KB (5,138 words) - 20:49, 20 April 2024
  • Thumbnail for Limit inferior and limit superior
    {\displaystyle C} respectively. Essential infimum and essential supremum Envelope (waves) One-sided limit Dini derivatives Set-theoretic limit Rudin, W. (1976)...
    36 KB (6,259 words) - 17:20, 4 March 2024
  • Thumbnail for Frequency comb
    the wave envelope of an optical pulse can be seen on the right. Each line is displaced from a harmonic of the repetition rate by the carrier–envelope offset...
    32 KB (3,801 words) - 05:49, 9 April 2024
  • varying envelope approximation (SVEA, sometimes also called slowly varying asymmetric approximation or SVAA) is the assumption that the envelope of a forward-travelling...
    7 KB (1,019 words) - 13:14, 11 January 2024
  • Thumbnail for Sound
    Sound (redirect from Sound waves)
    pressure, these represent sound waves with wavelengths of 17 meters (56 ft) to 1.7 centimeters (0.67 in). Sound waves above 20 kHz are known as ultrasound...
    37 KB (4,342 words) - 18:38, 5 April 2024
  • This article summarizes equations in the theory of waves. A wave can be longitudinal where the oscillations are parallel (or antiparallel) to the propagation...
    22 KB (984 words) - 23:57, 8 January 2024
  • water waves generally refers to frequency dispersion, which means that waves of different wavelengths travel at different phase speeds. Water waves, in...
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  • propagation velocity for the envelope of wave groups and often of wave energy, different from the phase velocity for dispersive waves Signal velocity, the velocity...
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  • Thumbnail for Amplitude modulation
    continuous wave radio-frequency signal has its amplitude modulated by an audio waveform before transmission. The message signal determines the envelope of the...
    35 KB (4,576 words) - 04:14, 19 April 2024
  • are limit cases, and two waves always interfere, even if the result of the addition is complicated or not remarkable. Two waves with constant relative phase...
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