density modulation meaning

[Electronics]
Modulation of the density, with respect to time, of electrons in an electron beam.

Electron beam


density modulation
density of electrons The concentration of electrons (i.e., the number per unit volume, area, distance, or time).

Examples

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1. pdm pulse density modulation
2. the design and simulation of electric vehicle drive system with high frequency ac pulse density modulation
3. So only electrons within a limited wavelength range near the Fermi level are scattered resulting in a density modulation around the impurity like
4. One reported on direct observation of the predicted density modulation of the stripe phase using Bragg reflection, establishing a system with the relevant symmetry breaking properties.
5. The analog signal to be amplified is converted to a series of pulses by pulse width modulation, pulse density modulation or other method before being applied to the amplifier.