effective radius


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effective radius

[ə¦fek·tiv ′rād·ē·əs]
(astronomy)
The distance from the center of an external galaxy within which half its luminosity is included.
(ordnance)
The radius of a circle having its center at the center of impact of a nuclear weapon, and within which a specified dosage of radiation is equaled or exceeded within a given period of time.
References in classic literature ?
The theoretic effective radius of this rifle is three hundred miles, but the best they can do in actual service when equipped with their wireless finders and sighters is but a trifle over two hundred miles.
With its effective radius of 30 feet, a single Cota charging station can simultaneously charge or power all the battery-operated devices in every room of an average home or office suite.
This pinpoint precision targeting of energy safely and efficiently powers all Cota-equipped devices and batteries within its effective radius, even as they move around the room.
doesn't need the weapon "because their effective radius doesn't extend to Europe.
The part R then increases to a maximum at the effective radius [?
This strategy uses the large effective radius of the barrel cutter with a point milling contact style.
Once equipped with a collection of candidate boundary points, the algorithm fits a shape to the boundary points in an attempt to determine the droplet's effective radius or diameter.
h]), are used to calculate effective radius using (Jazar 2008):
We estimated the effective radius of curvature by fitting a best-fit circular arc to the transformed position data [5,11].
The derivation of the formula which relates the angular velocity [omega], the angles [alpha] and [phi], as well as the unwinding velocity V and the effective radius of the conic package at the lift-off point c, is more involved as in the case of cylindrical package, since one cannot use a simple geometrical argument in the present case.
The APAM explodes directly above its target with a much tighter effective radius than flechettes.
Of course, if two of these dense stellar systems do merge, the resulting remnant will have a larger effective radius than either of the merging galaxies," Stockton told New Scientist.

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