# Sine Wave

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Sine Wave
An geometric waveform that oscillates (moves up, down or side-to-side) periodically, and is defined by the function y = sin x. In other words, it is an s-shaped, smooth wave that oscillates above and below zero.

The Composite Index of Lagging Indicators, one of three Business Cycle Indicators published by the Conference Board is known to resemble a sine wave since the measures that make up the index (i.e. ratios and interest rates) tend to oscillate between a range of values. For example, inflation is always kept between specified rates and if/once inflation meets or exceeds a specified limit, interest rates will be adjusted to either increase or decrease inflation so it is brought within a target range. Thus, as the rate of inflation increases, decreases or stays the same, interest rates will oscillate up and down to control an undesired rate of inflation.

Investment dictionary. . 2012.

### Look at other dictionaries:

• sine wave — n. a waveform described by the sine function: complex waveforms can be regarded as a combination of several sine waves that differ in wavelength …   English World dictionary

• sine wave — sine′ wave n. phs a periodic oscillation, as simple harmonic motion, having the same geometric representation as a sine • Etymology: 1890–95 …   From formal English to slang

• Sine Wave —   [engl.], Sinusschwingung (Schwingung) …   Universal-Lexikon

• Sine wave — Sinusoid redirects here. For the blood vessel, see Sinusoid (blood vessel). The graphs of the sine and cosine functions are sinusoids of different phases. The sine wave or sinusoid is a mathematical function that describes a smooth repetitive… …   Wikipedia

• sine wave — noun a wave whose waveform resembles a sine curve • Hypernyms: ↑wave, ↑undulation * * * noun : a fundamental form of wave (as in one of the sound waves giving rise to a pure tone or in a wave of alternating current) that represents periodic… …   Useful english dictionary

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• sine wave — sinusinis signalas statusas T sritis automatika atitikmenys: angl. sine wave vok. Sinusschwingung, f; Sinuswelle, f rus. синусоидальный сигнал, m pranc. onde sinusoïdale, f; signal sinusoïdal, m …   Automatikos terminų žodynas

• sine wave — noun Date: 1893 a waveform that represents periodic oscillations in which the amplitude of displacement at each point is proportional to the sine of the phase angle of the displacement and that is visualized as a sine curve ; sine curve; also a… …   New Collegiate Dictionary

• sine wave — Physics. a periodic oscillation, as simple harmonic motion, having the same geometric representation as a sine function. [1890 95] * * * …   Universalium

• sine wave — noun (signal processing) A waveform described by the sine function possibly shifted by some phase.<!this is a necessary result of the definition, so need not be included: , whose spectrum consists purely of a single frequency …   Wiktionary

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