A pulse per second (PPS or 1PPS) is an electrical signal that has a width of less than one second and a sharply rising or abruptly falling edge that accurately...

The pulse-repetition frequency (PRF) is the number of pulses of a repeating signal in a specific time unit. The term is used within a number of technical...

Pulse dialing is a signaling technology in telecommunications in which a direct current local loop circuit is interrupted according to a defined coding...

symbols per second or pulses per second. It is the number of distinct symbol changes (signalling events) made to the transmission medium per second in a...

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...

deviation from perfect periodicity Pulse-per-second signal – Class of electrical signals Self-clocking signal – Signal able to be decoded without an outside...

clocks, or a PTP-synchronized clock. They generate a very accurate pulse per second signal that triggers an interrupt and timestamp on a connected computer...

Pulse oximetry is a noninvasive method for monitoring blood oxygen saturation. Peripheral oxygen saturation (SpO2) readings are typically within 2% accuracy...

Protection Server, a commercial product to detect and quarantine spam Pulse per second signal, in the Network Time Protocol Parkinson plus syndrome, a group...

Pulse-position modulation (PPM) is a form of signal modulation in which M message bits are encoded by transmitting a single pulse in one of 2 M {\displaystyle...

Pulse-width modulation (PWM), also known as pulse-duration modulation (PDM) or pulse-length modulation (PLM), is any method of representing a signal as...

symbol rate, i.e. 2000 bits per second. According to one definition of digital signal, the modulated signal is a digital signal. According to another definition...

medium per unit of time. The symbol rate is measured in baud (Bd) or symbols per second. In the case of a line code, the symbol rate is the pulse rate in...

the Doppler effect of the returned signal to determine the target object's velocity. It combines the features of pulse radars and continuous-wave radars...

supplementary modulating signals. Note that with pulse modulation, the carrier is simply switched on and off in sync with the pulses; the modulating waveform...

and return-to-zero (RTZ) coding, where each bit is represented by two pulses (signal states), resulting in: gross bit rate = symbol rate/2 {\displaystyle...

(so "megatesla per second" (MT/s) would be a reasonable unit to describe the rate of a rapidly changing magnetic field, such as in a pulsed field magnet...

variances of light signal from the blood component hemoglobin under oxygenated vs. deoxygenated conditions allows the technology of pulse oximetry. The rate...

simple 15 stage divide-by-two circuit, this is turned into a 1 pulse per second signal responsible for the watch's timekeeping. "Bulova introduces the...

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

Nyquist rate, and transmitting at the limiting pulse rate of 2 B {\displaystyle 2B} pulses per second as signalling at the Nyquist rate. Nyquist published his...

using red filters for undetected communications. Modern signal lamps produce a focused pulse of light, either by opening and closing shutters mounted...

is added to each pulse-pair when being retransmitted by its station. The interrogator will generate up to 150 pulse-pairs per second when first acquiring...

Pulsed radiofrequency is the technique whereby radio frequency (RF) oscillations are gated at a rate of pulses (cycles) per second (one cycle per second...

half a second duration, or "wink". Upon receiving this go ahead signal, the originating end uses multi-frequency, DTMF, or dial pulse signalling to send...

synchronous signalling methods use two different signals. A pulse on one signal indicates when another bit of information is ready on the other signal. The asynchronous...

PW} is the pulse width (pulse active time), and T {\displaystyle T} is the total period of the signal. Thus, a 60% duty cycle means the signal is on 60%...

the servo a PWM (pulse-width modulation) signal, a series of repeating pulses of variable width where either the width of the pulse (most common modern...

with message bits. The chip rate of a code is the number of pulses per second (chips per second) at which the code is transmitted (or received). The chip...

converter and the transmit output is also made available on a pin. A 1 pulse per second signal is produced on a dedicated pin when a valid fix has been made....