positive feedback

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positive feedback

[′päz·əd·iv ′fēd‚bak]
(control systems)
Feedback in which a portion of the output of a circuit or device is fed back in phase with the input so as to increase the total amplification. Also known as reaction (British usage); regeneration; regenerative feedback; retroaction (British usage).
References in periodicals archive ?
Second, the positive feedback loop resulting from counterterrorism law enforcement produces increasing systemic inefficiencies that (1) do not reduce data noise or reveal real criminal patterns; (2) reinforce the preconceived notion that such law enforcement does reduce noise and reveal patterns; and (3), as a result of (1) and (2), often lead to inaccurate targeting of suspects (either as false positives or false negatives).
2] produced by human activity will not cause catastrophic warming, and, as mentioned, their theory relies on a massive positive feedback loop with water vapor.
In comparison with the common nonautonomous Duffing-Holmes type oscillator [15] the autonomous circuit has an internal positive feedback loop instead of an external periodic drive source.
These are positive feedback loops, and it may not be possible for us to stop them or even foresee them.
This, in turn creates a positive feedback loop between dust erosion and albedo.
This analysis looks to build on existing research that has demonstrated that connections to the community and volunteering form a positive feedback loop, whereby opportunities provided to youth to engage with others leads to a greater sense of reciprocity and trust that in turn leads youth to develop a personal ethic of community engagement.
You get a positive feedback loop started," she says, "whereby a small decrease in productivity in the lakes can cycle through all these factors and impact [yet] another aspect of the fish life-history cycle.
Once climate warming initiates, you get into a self-warming cycle," Derocher says, describing what climate modelers call a positive feedback loop.
A positive feedback loop was created: peat, covering the limestone bedrock, built deep deposits that were supported, and in turn nourished, by a sea of sawgrass.
But as the GAO and others have shown, good hiring generates a positive feedback loop.
Interfering with [beta]-2 receptors through the use of a nonselective [beta]-blocker might be expected to break up this positive feedback loop and prevent syncope, explained Dr.
123) mistaken conception of the positive feedback loop is

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