The definition of a pulse modulation is a sequence of short, periodic pulses.
An example of a pulse modulation is the different lengths of pulses used in radar.
A system of modulation in which pulses are altered and controlled in order to represent the message to be communicated.
The formation of an intermittent carrier wave by the generation and transmission of a sequence of short, periodic pulses: used in radar.
The modulation of the amplitude, a characteristic, etc. of a sequence of pulses in order to convey information.