dual modulation

dual modulation

[′dü·əl ‚mäj·ə′lā·shən]
(communications)
The process of modulating a common carrier wave or subcarrier with two different types of modulation, each conveying separate information.
References in periodicals archive ?
Dual modulation of nitric oxide production in the heart during ischaemia/reperfusion injury and inflammation.
The spectrometer should be disposable and compact with a small footprint lab space, including digitally controlled digital data processing, equipped with two radiation sources, dual modulation signal and an effective system for suppressing artifacts (false signals), as sensitive photodetector (MCT nitrogen cooling, endurance greater than 20 hours).
These results indicated that taurine might exert dual modulation not on myogenic contractions of intestinal smooth muscle directly, but by some other mechanisms, e.g., regulation of neurotransmitter or hormone release.