Dictionary of Electrical Engineering

Commonly used terms in the Electrical industry.

systems engineering
an approach to the overall life cycle evolution of a product or system. Generally, the systems engineering process comprises a number of phases. There are three essential phases in any systems engineering life cycle: formulation of requirements and specifications, design and development of the system or product, and deployment of the system. Each of these three basic phases may be further expanded into a larger number. For example, deployment generally comprises operational test and evaluation, maintenance over an extended operational life of the system, and modification
and retrofit (or replacement) to meet new and evolving user needs.
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