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  2. Systematic sampling - Wikipedia

    where n is the sample size, and N is the population size. Using this procedure each element in the population has a known and equal probability of selection (also known as epsem). This makes systematic sampling functionally similar to simple random sampling (SRS). However, it is not the same as SRS because not every possible sample of a certain ...

  3. Nyquist–Shannon sampling theorem - Wikipedia–Shannon_sampling...

    When the sample-rate is pre-determined by other considerations (such as an industry standard), () is usually filtered to reduce its high frequencies to acceptable levels before it is sampled. The type of filter required is a lowpass filter , and in this application it is called an anti-aliasing filter .

  4. Code 128 - Wikipedia

    Code 128 is a high-density linear barcode symbology defined in ISO/IEC 15417:2007. It is used for alphanumeric or numeric-only barcodes.It can encode all 128 characters of ASCII and, by use of an extension symbol (FNC4), the Latin-1 characters defined in ISO/IEC 8859-1.

  5. Architectural pattern - Wikipedia

    An architectural pattern is a general, reusable solution to a commonly occurring problem in software architecture within a given context. The architectural patterns address various issues in software engineering, such as computer hardware performance limitations, high availability and minimization of a business risk.

  6. Data - Wikipedia

    The practical climbing of Mount Everest's peak based on this knowledge may be seen as "wisdom". In other words, wisdom refers to the practical application of a person's knowledge in those circumstances where good may result. Thus wisdom complements and completes the series "data", "information" and "knowledge" of increasingly abstract concepts.

  7. Bloom's taxonomy - Wikipedia's_taxonomy

    In the 1956 original version of the taxonomy, the cognitive domain is broken into the six levels of objectives listed below. In the 2001 revised edition of Bloom's taxonomy, the levels have slightly different names and their order was revised: Remember, Understand, Apply, Analyze, Evaluate, and Create (rather than Synthesize).

  8. Fourier analysis - Wikipedia

    Note that any s(t) whose transform has the same discrete sample values can be used in the periodic summation. A sufficient condition for recovering s ( t ) (and therefore S ( f ) ) from just these samples (i.e. from the Fourier series) is that the non-zero portion of s ( t ) be confined to a known interval of duration P , which is the frequency ...

  9. Green card - Wikipedia

    Improving the application process in obtaining a green card. The most common challenges that USCIS faces in providing services in the green card process are: (1) the length of the application and approval process, and (2) the quotas of green cards granted. USCIS tries to shorten the time qualified applicants wait to receive permanent residence.