what does amplitude mean
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Amplitude The amplitude of a periodic variable is a measure of its change over a single period (such as time or spatial period).There are various definitions of amplitude (see below), which are all functions of the magnitude of the difference between the variable's extreme values.eak-to-peak amplitude is the change between peak (highest amplitude value) and trough (lowest amplitude value, which can be negative).
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- Medical Definition of amplitude. 1: the extent or range of a quality, property, process, or phenomenon: asa: the extent of a vibratory movement (as of a pendulum) measured from the mean position to an extremeb: the maximum departure of the value of an alternating current or wave from the average value.
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What is the difference between amplitude,wavelength and period? Amplitude is the magnitude of change in the oscillating variable with each oscillation within an oscillating system. For example, sound waves in air are oscillations in atmosp … heric pressure and their amplitudes are proportional to the change in pressure during one oscillation.he amplitude of a sound wave is the measure of the intensity of the sound, such as loudness.
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amplitude Physics One half the full extent of a vibration, oscillation, or wave. The amplitude of an ocean wave is the maximum height of the wave crest above the level of calm water, or the maximum depth of the wave trough below the level of calm water. The amplitude of a pendulum swinging through an angle of 90° is 45°. Compare frequency. Electronics The amount by which a voltage or current changes from zero or an average value.
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- This is called its amplitude. In the case of the pendulum, its amplitude is the maximum height it rises to. In the case of a spring it is the maximum compression (or stretch) distance. Notice that to compress a spring further and further, you need to push it harder and harder.
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- The concept of measuring how far molecules move is difficult to measure, so amplitude is usually only discussed in terms of transverse waves. You may view a QuickTime video of a longitudinal wave. Amplitude is a measure of the amount of energy in a wave. In a transverse wave, amplitude is the measure from the resting position to either the crest (high point of the wave) or to the trough (low point of the wave.)
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- In amplitude modulation, the amplitude or strength of the carrier oscillations is what is varied. For example, in AM radio communication, a continuous wave radio-frequency signal (a sinusoidal carrier wave) has its amplitude modulated by an audio waveform before transmission.hat waveform may, for instance, correspond to the sounds to be reproduced by a loudspeaker, or the light intensity of television pixels. This technique contrasts with frequency modulation, in which the frequency of the carrier signal is varied, and phase modulation, in which its phase is varied.
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- In amplitude modulation, the amplitude or strength of the carrier oscillations is what is varied. For example, in AM radio communication, a continuous wave radio-frequency signal (a sinusoidal carrier wave) has its amplitude modulated by an audio waveform before transmission.he audio waveform modifies the amplitude of the carrier wave and determines the envelope of the waveform. In the frequency domain, amplitude modulation produces a signal with power concentrated at the carrier frequency and two adjacent sidebands.
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- The amplitude of a sinusoidal function is one-half of the positive difference between the maximum and minimum values of a function. Amplitude is the magnitude (height) of the oscillation (wave) of a sinusoidal function. Sometimes it is referred to as the peak from center of the graph. The maximum of y = sin x is 1.
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- What is amplitude? Amplitude is the objective measurement of the degree of change (positive or negative) in atmospheric pressure (the compression and rarefaction of air molecules) caused by sound waves. Sounds with greater amplitude will produce greater changes in atmospheric pressure from high pressure to low pressure.
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- Amplitude is a measure of how big the wave is. 1  Imagine a wave in the ocean. 2  It could be a little ripple or a giant tsunami. 3  What you are actually seeing are waves with different amplitudes. 4  They might have the exact same frequency and wavelength, but the amplitudes of the waves can be very different.
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- In electronic circuits, amplitude may be increased by expanding the degree of change in an oscillating electrical current. A woodwind player may increase the amplitude of their sound by providing greater force in the air column i.e. blowing harder. Amplitude is directly related to the acoustic energy or intensity of a sound. Both amplitude and intensity are related to sound's power.
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What is Amplitude? - Definition & Frequency Stated another way, it is the number of oscillations per second in the wave. A higher frequency means a shorter wavelength, and a lower frequency means a longer wavelength. Although wavelength and frequency are related, amplitude and frequency are independent features of a wave.
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Difference Between Amplitude and Magnitude Main Difference – Amplitude vs. Magnitude Amplitude and magnitude are both terms used to describe properties of quantities. The main difference between amplitude and magnitude is that amplitude refers to the furthest values that a quantity can take from 0 whereas magnitude refers to the size of a quantity regardless of direction.
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Definition of Terms - Electrical AMPLIFIER - A device of electronic components used to increase power, voltage, or current of a signal. AMPLITUDE - A term used to describe the maximum value of a pulse or wave. It is the crest value measured from zero. ANALOG IC - lntegrated circuits composed to produce, amplify, or respond to variable voltages.
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The Anatomy of a Wave One such property is amplitude. The amplitude of a wave refers to the maximum amount of displacement of a particle on the medium from its rest position. In a sense, the amplitude is the distance from rest to crest. Similarly, the amplitude can be measured from the rest position to the trough position.
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Amplitude modulation Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave. In amplitude modulation, the amplitude (signal strength) of the carrier wave is varied in proportion to the waveform being transmitted.That waveform may, for instance, correspond to the sounds to be reproduced by a loudspeaker, or the light intensity of television pixels.This technique contrasts with frequency modulation, in which the frequency of the carrier signal is varied, and phase modulation, in which its phase is varied.hat waveform may, for instance, correspond to the sounds to be reproduced by a loudspeaker, or the light intensity of television pixels. This technique contrasts with frequency modulation, in which the frequency of the carrier signal is varied, and phase modulation, in which its phase is varied.
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Amplitude And Period Amplitude and period are important in the study of music and acoustics; amplitude indicates the energy, or loudness, of a sound and the period determines its pitch (pitch, or frequency, is the inverse of the period). Amplitude is the height from the mean, or rest, value of the function to its maximum or minimum. The period is the distance required for the function to complete one full cycle. For the sine function , the amplitude is given by and the period is defined as . The same is true for ...
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Parts of a Wave In general, if the question simply is 'What is the amplitude of the wave?' , the answer follows the description of amplitude shown in the first of the above four amplitude diagrams. It is the maximum positive displacement of the medium from its undisturbed position to the top of a crest.
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- The amplitude of the sound pressure means the peak value. The ear is a sound pressure receptor , or a sound pressure sensor , i.e. the. ear-drums are moved by the sound pressure, a sound field quantity. It is not an. energy receiver. When listening, forget the sound intensity as energy quantity.
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- Amplitude is the objective measurement of the degree of change (positive or negative) in atmospheric pressure (the compression and rarefaction of air molecules) caused by sound waves.
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Definition of Terms - Electrical For example, a battery which provides 5 amperes for 20 hours is said to deliver 100 ampere - hours. AMPLIFIER - A device of electronic components used to increase power, voltage, or current of a signal. AMPLITUDE - A term used to describe the maximum value of a pulse or wave. It is the crest value measured from zero.
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What Is the Definition of Amplitude? The amplitude of an oscillating system of symmetrical waveforms is defined as the maximum value of the wave at its peak above zero, or the height of the wave. A symmetrical waveform starts from a zero point and climbs to its maximum, then falls back to zero before repeating in the opposite direction.
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amplitude amplitude - (physics) the maximum displacement of a periodic wave. natural philosophy, physics-the science of matter and energy and their interactions; his favorite subject was physics.
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Universal suffrage The United States Constitution did not originally define who was eligible to vote, allowing each state to determine who was eligible. In the early history of the U.S., most states allowed only free male adult property owners (of any ethnicity) to vote.