• 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...
    5 KB (567 words) - 16:05, 24 April 2024
  • 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...
    14 KB (2,184 words) - 16:49, 7 March 2024
  • Thumbnail for Pulse dialing
    Pulse dialing is a signaling technology in telecommunications in which a direct current local loop circuit is interrupted according to a defined coding...
    9 KB (1,293 words) - 20:30, 4 September 2024
  • Baud (redirect from Symbols per second)
    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...
    7 KB (938 words) - 21:36, 28 October 2024
  • Thumbnail for Network Time Protocol
    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...
    57 KB (5,965 words) - 19:10, 28 October 2024
  • Protection Server, a commercial product to detect and quarantine spam Pulse per second signal, in the Network Time Protocol Parkinson plus syndrome, a group...
    4 KB (559 words) - 03:09, 3 November 2024
  • Thumbnail for Clock signal
    deviation from perfect periodicity Pulse-per-second signal – Class of electrical signals Self-clocking signal – Signal able to be decoded without an outside...
    18 KB (2,234 words) - 23:44, 17 October 2024
  • 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...
    34 KB (4,083 words) - 01:26, 22 October 2024
  • 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...
    9 KB (1,242 words) - 04:34, 22 May 2024
  • Thumbnail for Pulse-width modulation
    Pulse-width modulation (PWM), also known as pulse-duration modulation (PDM) or pulse-length modulation (PLM), is any method of representing a signal as...
    29 KB (3,918 words) - 17:41, 13 September 2024
  • Thumbnail for Pulse oximetry
    Pulse oximetry is a noninvasive method for monitoring blood oxygen saturation. Peripheral oxygen saturation (SpO2) readings are typically within 2% accuracy...
    58 KB (6,949 words) - 13:43, 2 November 2024
  • Modulation (redirect from Pulse modulation)
    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...
    24 KB (3,050 words) - 14:48, 27 September 2024
  • 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...
    19 KB (2,925 words) - 15:18, 23 September 2024
  • Thumbnail for Watch
    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...
    97 KB (10,419 words) - 17:37, 5 November 2024
  • Thumbnail for Pulse-Doppler radar
    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...
    33 KB (4,372 words) - 14:49, 30 October 2024
  • variances of light signal from the blood component hemoglobin under oxygenated vs. deoxygenated conditions allows the technology of pulse oximetry. The rate...
    20 KB (2,344 words) - 14:23, 9 October 2024
  • Bit rate (redirect from Bits per second)
    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...
    30 KB (3,421 words) - 13:52, 15 June 2024
  • supplementary modulating signals. Note that with pulse modulation, the carrier is simply switched on and off in sync with the pulses; the modulating waveform...
    26 KB (3,760 words) - 01:39, 19 May 2024
  • Thumbnail for Chirp
    Chirp (redirect from Chirp pulse)
    properties of the materials, increasing or decreasing total pulse dispersion as the signal propagates. The name is a reference to the chirping sound made...
    17 KB (2,306 words) - 18:55, 29 October 2024
  • (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...
    4 KB (575 words) - 16:02, 5 February 2024
  • Thumbnail for Signal lamp
    using red filters for undetected communications. Modern signal lamps produce a focused pulse of light, either by opening and closing shutters mounted...
    8 KB (950 words) - 07:54, 24 March 2024
  • Thumbnail for Tactical air navigation system
    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...
    15 KB (1,684 words) - 09:31, 18 October 2024
  • Pulsed radiofrequency is the technique whereby radio frequency (RF) oscillations are gated at a rate of pulses (cycles) per second (one cycle per second...
    9 KB (1,073 words) - 13:42, 2 November 2024
  • 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...
    21 KB (3,073 words) - 21:58, 25 April 2024
  • Thumbnail for Duty cycle
    Duty cycle (redirect from Pulse ratio)
    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%...
    8 KB (990 words) - 17:24, 9 April 2024
  • Chip (CDMA) (redirect from Chips per second)
    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...
    2 KB (280 words) - 15:13, 23 September 2024
  • standard audio signal for a single phone call is encoded as 8000 analog samples per second, of 8 bits each, giving a 64 kbit/s digital signal known as DS0...
    5 KB (658 words) - 17:30, 31 October 2024
  • Thumbnail for Clock rate
    Clock rate (category Clock signal)
    time for the CPU to settle after each pulse, and by the extra heat created. After each clock pulse, the signal lines inside the CPU need time to settle...
    13 KB (1,606 words) - 22:23, 9 October 2024
  • 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...
    1 KB (203 words) - 21:14, 20 August 2024
  • Thumbnail for Servo control
    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...
    6 KB (856 words) - 18:59, 26 April 2024