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 ?
There are several possible causes for the problems you have identified, and they deal with your sampling processes, the way you are performing the reduced pressure test (RPT) and variations in the samples themselves.
In buckling, the stress distribution becomes non-symmetrical within the part, and portions of the sample shift non-uniformly off the center axis, no longer supporting a compressive load.
Furthermore, our laboratory is certified to analyze human biological samples according to the Clinical Laboratory Improvement Amendment (1988), which requires extensive quality control and assurance, semiannual blinded proficiency testing, continued verification and documentation of operational parameters, and recertification every 2 years.
sample size issue) this should yield thick rich data that reach saturation point.
The incident neutron spectrum on the sample in the present VCN interferometer was already studied [3] with a chopper and time-of-flight method.
If the relative precision of the M&E statistical sample is 10 percent or smaller, based on the estimate of the amount of the expenses that are 100-percent deductible but were erroneously classified as subject to the 50-percent limitation, the revenue procedure allows the use of the point estimate rather than the lower limit.
Investigators should keep the sample dry and intact to prevent destroying any of the unique physical characteristics of the insulation.
Sometimes a recipient of a sample issue promotion or an FFT assumes that he or she must already be a subscriber
Contaminating Earth with critters from Mars is one concern, but scientists also want to make sure that any samples scooped up from the Red Planet are pristine, unsullied by stray organisms from our own planet.
The sample temperature is controlled by an external heater and a patented transducer probe, which measures the material's rheological properties.
Ratings are based on information from the entire in-tab sample of persons or households.