Dispersion

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Related to material dispersion: Chromatic dispersion, waveguide dispersion

Dispersion

In statistics, the placement of data points along a chart relative to an average or mean line. Dispersion is important to finance as the data points of say, a stock, determine the mean, which in turn helps determines the stock's trend. Dispersion is also used to determine volatility: data points all over the chart indicate that a stock has wild fluctuation in price.
References in periodicals archive ?
The waveguide dispersion, [D.sub.w], is plotted in Figures 8(b) and 9(b) for step-index and parabolic index profile fibers respectively, together with the material dispersion of the core, [D.sub.m], but with the opposite sign, -[D.sub.m], to illustrate at which wavelengths the total dispersion becomes zero which is when the inverted material dispersion cuts the waveguide dispersion curves.
It can depict up to five interior floors in buildings, tunnels, water, fire, material dispersion (chemical, radiological and nuclear), people in various conditions (unharmed and mobile, damaged and mobile, damaged and immobile, and dead), and the mounting of people on and off vehicles.
Since the wavelength difference of the light source is minute, the effect of material dispersion is not significant.

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