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2. Engineering change order - Wikipedia

   en.wikipedia.org/wiki/Engineering_Change_Order

   Engineering change order. An engineering change order ( ECO ), also called an engineering change notice ( ECN ), engineering change ( EC ), or engineering release notice ( ERN ), is an artifact used to implement changes to components or end products. The ECO is utilized to control and coordinate changes to product designs that evolve over time.

3. Sampling (signal processing) - Wikipedia

   en.wikipedia.org/wiki/Sampling_(signal_processing)

   In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave to a sequence of "samples". A sample is a value of the signal at a point in time and/or space; this definition differs from the term's usage in statistics, which refers to a set of such values.

4. Change order - Wikipedia

   en.wikipedia.org/wiki/Change_order

   Purpose. A change order is work that is added to or deleted from the original scope of work of a contract. Depending on the magnitude of the change, it may or may not alter the original contract amount and/or completion date. A change order may force a new project to handle significant changes to the current project.

5. Sample-rate conversion - Wikipedia

   en.wikipedia.org/wiki/Sample-rate_conversion

   Sample-rate conversion, sampling-frequency conversion or resampling is the process of changing the sampling rate or sampling frequency of a discrete signal to obtain a new discrete representation of the underlying continuous signal. [ 1] Application areas include image scaling [ 2] and audio/visual systems, where different sampling rates may be ...

6. AOL Mail

   mail.aol.com

   You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

7. Digital filter - Wikipedia

   en.wikipedia.org/wiki/Digital_filter

   The alternate direct form II only needs N delay units, where N is the order of the filter – potentially half as much as direct form I. This structure is obtained by reversing the order of the numerator and denominator sections of Direct Form I, since they are in fact two linear systems, and the commutativity property applies.