Pulse-density modulation, or PDM, is a form of modulation used to represent an analog signal with a binary signal. In a PDM signal, specific amplitude...

methods Pulse-amplitude modulation (PAM) Pulse-width modulation (PWM) and pulse-depth modulation (PDM) Pulse-frequency modulation (PFM) Pulse-position...

Pulse-frequency modulation (PFM) is a modulation method for representing an analog signal using only two levels (1 and 0). It is analogous to pulse-width...

differential pulse-code modulation (ADPCM) is a variant of differential pulse-code modulation (DPCM) that varies the size of the quantization step, to allow...

differential pulse-code modulation (DPCM) where the difference between successive samples is encoded into n-bit data streams. In delta modulation, the transmitted...

Pulse-code modulation (PCM) is a method used to digitally represent analog signals. It is the standard form of digital audio in computers, compact discs...

corresponds to an infinite time signal, that causes neighbouring pulses to overlap. As the modulation rate increases, the signal's bandwidth increases. As soon...

is an ITU-T standard (Recommendation) for audio encoding, titled Pulse code modulation (PCM) of voice frequencies released for use in 1972. G.711 passes...

which can be ultimately encoded as pulse-code modulation (PCM). Both ADCs and DACs can employ delta-sigma modulation. A delta-sigma ADC (e.g. Figure 1...

rapidly changing the pulse width to produce the desired signal, a concept known as pulse-width modulation. "How To Measure Pulse Width & Duty Cycle" (PDF)...

Continuously variable slope delta modulation (CVSD or CVSDM) is a voice coding method. It is a delta modulation with variable step size (i.e., special case of...

intensifiers, and resistive loads. The output of a pulse generator may also be used as the modulation signal for a signal generator. Non-electronic applications...

multiplexing (DWDM) applications with intensity modulation and direct detection (IM-DD), the effect of XPM is a two step process: First the signal is phase modulated...

is often used as an intermediate step to achieve frequency modulation. These methods contrast with amplitude modulation, in which the amplitude of the carrier...

techniques namely: Pulse-width modulation Frequency modulation Variable frequency, variable pulse width CLC control In pulse-width modulation the switches are...

PAL, or SECAM) could be added to the base monochrome signal. Using RF modulation the signal is then modulated onto a very high frequency (VHF) or ultra...

baseband signal. The presence of filters may perform pulse shaping. Some systems then use modulation to multiplex many baseband signals into a broadband...

linear-frequency-modulation waveform. There are other means to modulate the signal. Phase modulation is a commonly used technique; in this case, the pulse is divided...

dispersion properties of the materials, increasing or decreasing total pulse dispersion as the signal propagates. The name is a reference to the chirping...

who wrote software to modulate the duration of and between pulses (pulse-width modulation or "PWM", via a process now often referred to as "bit banging")...

The Vienna Rectifier is a pulse-width modulation rectifier, invented in 1993 by Johann W. Kolar at TU Wien, a public research university in Vienna, Austria...

encoded in the pressure signal using line codes or pulse-position modulation. Negative pulse Negative pulse tools briefly open and close the valve to release...

enabling pulse-position or time modulation. The information can also be modulated on UWB signals (pulses) by encoding the polarity of the pulse, its amplitude...

maintaining a constant frequency with a technique called pulse-width modulation (PWM). The generated gate pulses are given to each switch in accordance with the...

the consequence of bang–bang control. A PID controller can send pulse-width modulation control signals that reduce switching of motors, solenoids, etc...

mechanical and digital, and which uses both pulse count and pulse width modulation for communicating, pulse dialing is a digital communication method used...

Frequency-shift keying (FSK) is a frequency modulation scheme in which digital information is encoded on a carrier signal by periodically shifting the...

triangle, sawtooth, pulse, and white noise for VCO1, and sawtooth, square, and narrow pulse waveforms, as well as a ring modulation option for VCO2. The...

occurred as users upgrade to higher speed networks. LEDs have a maximum modulation rate of 622 Mbit/s [citation needed] because they cannot be turned on/off...

the 1970s. With the oil crises of the 1970s and 1980s Pulse Duration and Pulse Step Modulation schemes for AM transmitters took hold at power levels at...