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What is meant by pulse modulation?
Pulse modulation is a technique in which the characteristics of a train of pulses, such as amplitude, duration, position or frequency, vary in accordance with the instantaneous values of a modulation signal.
This modulation method is used to encode information into a series of pulses for transmission and communication purposes.
What is pulse modulation in simple words?
Pulse modulation in simple words refers to a method of modifying pulses to carry information.
This may involve changing the height (amplitude), width (duration), timing (position), or number of pulses to represent the information being sent.
What is meant by pulse position modulation?
Pulse position modulation (PPM) is a type of pulse modulation where the position of each pulse in a pulse train varies depending on the amplitude of the modulating signal. The information is encoded in the timing of the pulses, with the position of each pulse representing the instantaneous amplitude of the signal at that point.
PWM stands for Pulse Width Modulation.
This is a technique where the width of each pulse in a pulse train varies depending on the modulation signal. By adjusting the duration that each pulse is active (high) in a fixed period, PWM effectively controls the average power delivered by the signal, making it widely used in applications such as motor control, dimming LEDs and signal processing.
Modulation is the process of varying a carrier signal in order to transmit information. This involves changing one or more properties of the carrier wave, such as its amplitude, frequency or phase, in accordance with the input signal.
Modulation enables the transmission of data over different media and distances, enabling effective communication in various technologies, including radio, television, and digital communications systems.
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