intensity modulation


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intensity modulation

[in′ten·səd·ē ‚mäj·ə′lā·shən]
(electronics)
Modulation of electron beam intensity in a cathode-ray tube in accordance with the magnitude of the received signal.
References in periodicals archive ?
This is the 16 channel 10 Gbit/s WDM-PON transmission system with NRZ intensity modulation.
In conclusion, light intensity modulation based on TvPC is proposed and demonstrated.
In the case of direct intensity modulation of laser diodes, variation of the optical frequency become a common by-product.
An intensity modulation can be organized into different classes based on interconnection, optical principle and via local oscillator.
While the conventional binary intensity modulation format uses a photodiode in the receiver, the DQPSK receiver needs a pair of balanced photodetectors, usually realized by integrating two high-speed photodiodes, making it difficult to achieve high-speed operation, high sensitivity, and uniform conversion efficiency, simultaneously.
Intensity modulation, image guidance and workflow enhancing information management systems are today changing the face of cancer care all over the world.
Large signal nonlinear distortion prediction for a singlemode laser diode under microwave intensity modulation.
In optical communications, intensity modulation is a form of modulation in which the optical power output of a source is varied in accordance with some characteristic of the modulating signal.
The typical losses from the double transforming in an optical link with direct laser intensity modulation are in the order of 20/50 dB, and for a link with external laser modulating--from 30 dB to 60 dB.

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