signal-flow graph

signal-flow graph

[′sig·nəl ¦flō ′graf]
(systems engineering)
An abbreviated block diagram in which small circles, called nodes, represent variables of the system, and the nodes are connected by lines, called branches, which represent one-way signal multipliers; an arrow on the line indicates direction of signal flow, and a letter near the arrow indicates the multiplication factor. Also known as flow graph.
References in periodicals archive ?
Over the course of six chapters he provides an introduction to the photonic components essential for photonic processing systems, discusses the representation of photonic circuits using signal-flow graph techniques, describes photonic signal processors such as differentiators and integrators, examines applications in the generation of solitons and in optically amplified fiber transmission systems, illustrates the compensation of dispersion using photonic processors, and explains the design of optical filters using photonic processing techniques.

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