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  2. Amplitude - Wikipedia

    en.wikipedia.org/wiki/Amplitude

    Peak-to-peak amplitude (abbreviated p–p or PtP or PtoP) is the change between peak (highest amplitude value) and trough (lowest amplitude value, which can be negative). With appropriate circuitry, peak-to-peak amplitudes of electric oscillations can be measured by meters or by viewing the waveform on an oscilloscope .

  3. Amplitude modulation - Wikipedia

    en.wikipedia.org/wiki/Amplitude_modulation

    Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave.In amplitude modulation, the amplitude (signal strength) of the wave is varied in proportion to that of the message signal, such as an audio signal.

  4. Amplituhedron - Wikipedia

    en.wikipedia.org/wiki/Amplituhedron

    The scattering amplitude can thus be thought of as the volume of a certain polytope, the positive Grassmannian, in momentum twistor space. [1] When the volume of the amplituhedron is calculated in the planar limit of N = 4 D = 4 supersymmetric Yang–Mills theory, it describes the scattering amplitudes of particles described by this theory. [1]

  5. Probability amplitude - Wikipedia

    en.wikipedia.org/wiki/Probability_amplitude

    The solid body shows the places where the electron's probability density is above a certain value (here 0.02 nm −3): this is calculated from the probability amplitude. The hue on the colored surface shows the complex phase of the wave function. In quantum mechanics, a probability amplitude is a complex number used for describing the behaviour ...

  6. Wave height - Wikipedia

    en.wikipedia.org/wiki/Wave_height

    Depending on context, wave height may be defined in different ways: For a sine wave, the wave height H is twice the amplitude (i.e., the peak-to-peak amplitude): [1] =.; For a periodic wave, it is simply the difference between the maximum and minimum of the surface elevation z = η(x – c p t): [1] = {()} {()}, with c p the phase speed (or propagation speed) of the wave.

  7. Amplitude (AMPL) Q4 2024 Earnings Call Transcript - AOL

    www.aol.com/amplitude-ampl-q4-2024-earnings...

    Amplitude engages in U.S. dollar with the majority of our transactions. So, although we could see some headwinds with respect to foreign currency translations in respect of discounting on deals ...

  8. Envelope (waves) - Wikipedia

    en.wikipedia.org/wiki/Envelope_(waves)

    A modulated wave resulting from adding two sine waves of identical amplitude and nearly identical wavelength and frequency. A common situation resulting in an envelope function in both space x and time t is the superposition of two waves of almost the same wavelength and frequency: [2]

  9. Surface roughness - Wikipedia

    en.wikipedia.org/wiki/Surface_roughness

    If these deviations are large, the surface is rough; if they are small, the surface is smooth. Roughness is typically assumed to be the high-frequency, short-wavelength component of a measured surface. However, in practice it is often necessary to know both the amplitude and frequency to ensure that a surface is fit for a purpose.