amplitude modulation

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Related to Amplitude modulator: Phase modulator, Modulation index

amplitude modulation

Altering the height (amplitude) of an electrical or acoustical wave.
See: A-mode ultrasound
References in periodicals archive ?
Nasdaq:NUFO), a leading provider of photonics and microwave technology solutions, today announced the introduction of a variety of new products including easy-to-use broadband 40-GHz amplifiers, versatile RF sources for their line of electro-optic phase and amplitude modulators, patented closed-loop Picomotor(TM) actuators and Intelligent closed-loop Picomotor(TM) drivers, and a new line of high-quality optical workstations and breadboards which deliver the rigidity and mechanical damping required for the most demanding photonics applications from the laboratory to the manufacturing floor.
Double density over current Prisma II QAM Transmitter - Up to 24 High Definition-Quadrature Amplitude Modulators in one Prisma II Chassis
Integrated high-density Quadrature Amplitude Modulators (QAMs) and RF up-converters are supported.

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