amplitude term

См. также в других словарях:

• Amplitude-shift keying — (ASK) is a form of modulation that represents digital data as variations in the amplitude of a carrier wave.The amplitude of an analog carrier signal varies in accordance with the bit stream (modulating signal), keeping frequency and phase… …   Wikipedia

• Amplitude — Am pli*tude, n. [L. amplitudo, fr. amplus: cf. F. amplitude. See {Ample}.] 1. State of being ample; extent of surface or space; largeness of dimensions; size. [1913 Webster] The cathedral of Lincoln . . . is a magnificent structure,… …   The Collaborative International Dictionary of English

• Amplitude distortion — is distortion occurring in a system, subsystem, or device when the output amplitude is not a linear function of the input amplitude under specified conditions. Generally, output is a linear function of input only for a fixed portion of the… …   Wikipedia

• Amplitude versus offset — In geophysics, amplitude versus offset (AVO) or amplitude variation with offset is a variation in seismic reflection amplitude with change in distance between shotpoint and receiver. It is also referred as AVA (amplitude variation with angle). As …   Wikipedia

• amplitude — i. The amplitude of a wave is the maximum displacement, or the maximum value, it attains from its mean position during a cycle. It is both positive and negative. With sound waves, the greater the amplitude, the louder is the sound. ii. Angular… …   Aviation dictionary

• Amplitude of vibration — Vibration Vi*bra tion, n. [L. vibratio: cf. F. vibration.] 1. The act of vibrating, or the state of being vibrated, or in vibratory motion; quick motion to and fro; oscillation, as of a pendulum or musical string. [1913 Webster] As a harper lays… …   The Collaborative International Dictionary of English

• amplitude — [1] A confusing term occasionally used for the argument of a complex number. It would more naturally be taken to mean the modulus, and is best avoided. [2] The maximum value of a periodically varying quantity during a cycle, e.g., the maximum… …   Dictionary of automotive terms

• Magnetic amplitude — Amplitude Am pli*tude, n. [L. amplitudo, fr. amplus: cf. F. amplitude. See {Ample}.] 1. State of being ample; extent of surface or space; largeness of dimensions; size. [1913 Webster] The cathedral of Lincoln . . . is a magnificent structure,… …   The Collaborative International Dictionary of English

• Quadrature amplitude modulation — (QAM) (Pronounced IPA|kwa:m) is a modulation scheme which conveys data by changing ( modulating ) the amplitude of two carrier waves. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature… …   Wikipedia

• Reference signal amplitude —   An ISO term.   (7811 2) The maximum average signal amplitude of the reference card connected to the master standard.   ISO Identification Cards term. The average signal amplitude of the reference medium when recorded with the test recording… …   International financial encyclopaedia

• Individual signal amplitude —   An ISO term. The peak to peak amplitude of a single readback voltage signal …   International financial encyclopaedia