sine wave

Học thuật
Thân thiện
sine wave

A sine wave appears on the oscilloscope screen.

Definition

Noun: A smooth, periodic oscillation that follows the mathematical function of sine. It is characterized by a single, constant frequency and amplitude, and its waveform is a continuous, repetitive curve that represents the simplest form of a pure, unmodulated wave.

Usage

A sine wave is a fundamental concept used to describe oscillating phenomena in physics, engineering, and signal processing. It is the basic building block for analyzing more complex waves.

Examples
  • The alternating current (AC) in household electrical outlets is a sine wave with a frequency of 60 Hz (or 50 Hz in some regions).
  • A pure musical tone, like from a tuning fork, produces a sound pressure wave that is very close to a perfect sine wave.
  • In mathematics, the graph of the function y = sin(x) is the classic visual representation of a sine wave.
Advanced Usage
  • "To decompose into sine waves": Refers to the process of Fourier analysis, where a complex waveform is broken down into a sum of simpler sine waves of different frequencies.
    • Any complex sound can be decomposed into a series of sine waves of different frequencies and amplitudes.
  • "Sine wave generation": The process or technology of producing a pure sine wave signal.
    • The function generator is used for sine wave generation in the laboratory.
Variants and Related Words
  • Sinusoidal (adj): Having the form of or relating to a sine wave.
    • The oscillator produces a clean sinusoidal signal.
  • Sine curve (n): The graphical plot of the sine function, synonymous with the shape of a sine wave.
Synonyms
  • Sinusoid
  • Simple harmonic wave
Related Concepts (Not Phrasal Verbs or Idioms)
  • Frequency: The number of complete cycles of a sine wave per second, measured in Hertz (Hz).
  • Amplitude: The maximum displacement or height of the wave from its central (rest) position.
  • Wavelength: The distance over which the wave's shape repeats.
  • Phase: A measurement of the position of a point in time on a waveform cycle.
sine wave

A sine wave appears on the oscilloscope screen.

Noun
  1. a wave whose waveform resembles a sine curve