positive modulation

positive modulation

[′päz·əd·iv ‚mäj·ə′lā·shən]
(electronics)
In an amplitude-modulated television system, that form of television modulation in which an increase in brightness corresponds to an increase in transmitted power.
References in periodicals archive ?
The results provide the first suggestion of the types of effects that can be expected from positive modulation of AMPA receptor function in the human brain.
The results suggest that the enhanced healing by a thermal wound therapy is not due to a general non-specific stimulation of fibroblast growth, but it is mediated through specific positive modulations on the levels of cell cycle- dependent proteins.