In the physical sciences, the term spectrum was introduced first into optics by Isaac Newton in the 17th century, referring to the range of colors observed...

of Natural and Mathematical Sciences, Volume 1, Springer Science & Business Media - 2009, pages 4527-4530 "Spread Spectrum Clocking". Microsemi. Item Media...

Spectral bands are regions of a given spectrum, having a specific range of wavelengths or frequencies. Most often, it refers to electromagnetic bands,...

According to Fourier analysis, any physical signal can be decomposed into a number of discrete frequencies, or a spectrum of frequencies over a continuous...

A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument. The primary use is to...

a "physical science", together is called the "physical sciences". Physical science can be described as all of the following: A branch of science (a systematic...

A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time. When applied to an audio signal, spectrograms...

for this reason that the ultra low frequency band of the electromagnetic spectrum between 300 and 3000 Hz is also referred to as voice frequency, being the...

power spectrum, as opposed to the flat spectrum of white noise. A high spectral flatness (approaching 1.0 for white noise) indicates that the spectrum has...

sinusoidal shape into a more complex shape. When considered as part of a whole spectrum, a pure tone may also be called a spectral component. In clinical audiology...

S(f), often referred to as a frequency spectrum. Any linear time-invariant operation on s(t) produces a new spectrum of the form H(f)•S(f), which changes...

ear identifies it as the specific pitch of the musical tone [harmonic spectrum].... The individual partials are not heard separately but are blended together...

is a weaker or stronger region in an otherwise uniform and continuous spectrum. It may result from emission or absorption of light in a narrow frequency...

for example, a band-pass filter, a communication channel, or a signal spectrum. Baseband bandwidth is equal to the upper cutoff frequency of a low-pass...

the use of a spectrometer for chemical analysis. In the physical sciences, the term spectrum was introduced first into optics by Isaac Newton in the 17th...

half (at most −3 dB). The FWHM method may be difficult to apply when the spectrum has a complex shape. Another method of specifying spectral width is a special...

A frequency comb or spectral comb is a spectrum made of discrete and regularly spaced spectral lines. In optics, a frequency comb can be generated by certain...

the number of components and seek to estimate the whole generating spectrum. Spectrum analysis, also referred to as frequency domain analysis or spectral...

The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to electrons...

ISSN 0006-7431. JSTOR 40043442. Sethares, W.A. (2004). Tuning, Timbre, Spectrum, Scale. Springer. ISBN 978-1852337971 – via Google books. Sethares, W.A...

The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths...

The electromagnetic spectrum is the full range of electromagnetic radiation, organized by frequency or wavelength. The spectrum is divided into separate...

The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz). Electromagnetic waves in this frequency...

Autism, formally called autism spectrum disorder (ASD) or autism spectrum condition (ASC), is a neurodevelopmental disorder marked by deficits in reciprocal...

antibiotics, extended-spectrum antibiotics and narrow-spectrum antibiotics based on their spectrum of activity. Detailedly, broad-spectrum antibiotics can kill...

This is a sortable list of games for the ZX Spectrum home computer. There are currently 1977 games in this incomplete list. 1982 1983 1984 1985 1986 1987...

Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world;...

The ZX Spectrum (UK: /zɛd ɛks/) is an 8-bit home computer developed and marketed by Sinclair Research. It is one of the most influential computers ever...

IEEE Spectrum. 4 (7): 166–7. doi:10.1109/MSPEC.1967.5215873. Milford, F. J. (1967). "Mathematical Methods in the Physical Sciences". Science. 155 (3769):...

Nadia (1983). "The Spectrum of ζ Puppis and the Historical Evolution of Empirical Data". Historical Studies in the Physical Sciences. 14 (1): 123–145....