sample

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sample

[′sam·pəl]
(science and technology)
Representative fraction of material tested or analyzed in order to determine the nature, composition, and percentage of specified constituents, and possibly their reactivity.
(statistics)
A selection of a certain collection from a larger collection.

sample

A small specimen of material, or a single unit of many such items to be furnished, which is in conformity with the requirements for the specifications; furnished for review and approval; establishes standards by which work will be judged.

sample

(digital signal processing)
The result of measuring the amplitude of an analog signal at a specified time. In digital signal processing a sample is a signed or unsigned number and the number of samples per second is called the sample rate.
References in periodicals archive ?
Such emergency interventions would generate thousands of samples for laboratory analysis within days.
Beyond this frequency and for very stiff samples, the stiffness and mass of the fixed clamps, along with the stiffness and damping of the force sensor, must be taken into account.
Genetic analysis of the positive samples showed 4 distinct genetic clusters, which included 3 GI clusters and 1 GV cluster (Figure 2).
Equipment is also available to automate the measurement and generate the specific gravity number in less time than is required to cut, polish and rate sectioned samples.
This is valid for samples within a certain range of shape factors and % compression that allow contact surfaces to move freely, and where stresses can be developed uniformly between its contact faces.
Finding AM concentrations in urine samples collected in 2000 from men in Missouri is not unlikely.
Many qualitative researchers state that sample size and sampling are not issues in qualitative research.
For our high-layer number magnetic resonators and making use of the transfer matrix technique [6], we now take into consideration the transverse angular divergence of the incident neutrons at the resonator samples in addition to the effects of the wavelength resolution.
The IRS position on statistical samples as described in the 2002 Field Directive and repeated in the M&E revenue procedure is that the most adverse limit of the confidence limit should be used rather than the conventional statistical estimate.
Investigators should take numerous samples at the immediate scene radiating outward from the center and also an "alibi" sample away from the immediate scene.
First, agents should determine whether a taxpayer has appropriately used a probability sample to support or stand as the primary evidence of tax amounts.
Dan Oswald, president of Ragan Communications, says, "We have 17 B2B publications and we've mailed samples or FFTs profitably for every one.