• Thumbnail for Time signal
    A time signal is a visible, audible, mechanical, or electronic signal used as a reference to determine the time of day. Church bells or voices announcing...
    26 KB (3,084 words) - 07:52, 1 March 2025
  • variable "time". A discrete signal or discrete-time signal is a time series consisting of a sequence of quantities. Unlike a continuous-time signal, a discrete-time...
    10 KB (1,535 words) - 10:04, 10 January 2025
  • Signals are standardized messages sent to a running program to trigger specific behavior, such as quitting or error handling. They are a limited form...
    31 KB (3,432 words) - 00:48, 4 May 2025
  • The Greenwich Time Signal (GTS), popularly known as the pips, is a series of six short tones (or "pips") broadcast at one-second intervals by many BBC...
    28 KB (3,511 words) - 10:22, 9 May 2025
  • Thumbnail for Signal
    that can vary over space or time can be used as a signal to share messages between observers. The IEEE Transactions on Signal Processing includes audio...
    30 KB (3,517 words) - 19:45, 14 April 2025
  • Thumbnail for ALS162 time signal
    longwave time signal and standard-frequency radio station and is used for the dissemination of the Metropolitan French national legal time to the public...
    18 KB (1,629 words) - 12:27, 23 February 2024
  • callsign of a time signal broadcasting from the BPC Shangqiu Low-Frequency Time-Code Radio Station, cooperatively constructed by the National Time Service Center...
    6 KB (612 words) - 18:57, 15 March 2025
  • An analog signal (American English) or analogue signal (British and Commonwealth English) is any continuous-time signal representing some other quantity...
    6 KB (594 words) - 20:01, 19 May 2025
  • Thumbnail for Sampling (signal processing)
    In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave...
    31 KB (3,131 words) - 18:58, 8 May 2025
  • Thumbnail for Time from NPL (MSF)
    The Time from NPL is a radio signal broadcast from the Anthorn Radio Station near Anthorn, Cumbria, which serves as the United Kingdom's national time reference...
    24 KB (2,369 words) - 10:41, 10 April 2025
  • Thumbnail for Standard frequency and time signal service
    Standard frequency and time signal service (short: SFTS) is, according to Article 1.53 of the International Telecommunication Union's (ITU) Radio Regulations...
    8 KB (476 words) - 17:37, 23 May 2025
  • Thumbnail for Coordinated Universal Time
    sub-microsecond precision, clients can obtain the time from satellite signals. UTC is also the time standard used in aviation, e.g. for flight plans and...
    52 KB (6,081 words) - 03:24, 25 May 2025
  • Beta is a time signal service in the VLF range in Russia, operated by the Russian Navy. It is controlled by All-Russian Scientific Research Institute...
    9 KB (429 words) - 13:23, 24 November 2023
  • Thumbnail for Signal processing
    Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing signals, such as sound, images, potential...
    23 KB (2,277 words) - 13:07, 24 May 2025
  • Thumbnail for Digital signal
    A digital signal is a signal that represents data as a sequence of discrete values; at any given time it can only take on, at most, one of a finite number...
    14 KB (1,567 words) - 01:01, 23 April 2025
  • Thumbnail for Radio clock
    accurate time base oscillator to maintain timekeeping if the radio signal is momentarily unavailable. Other radio controlled clocks use the time signals transmitted...
    49 KB (3,079 words) - 09:45, 19 April 2025
  • Thumbnail for Time in India
    Universal Time (UTC). India does not currently observe daylight saving time (DST or summer time). The official time signal is given by the Time and Frequency...
    11 KB (1,197 words) - 16:52, 16 March 2025
  • Thumbnail for National Research Council Time Signal
    The National Research Council Time Signal was Canada's longest running radio program, begun 5 November 1939 until its final broadcast on 9 October 2023...
    8 KB (889 words) - 21:03, 2 December 2024
  • Thumbnail for Greenwich Mean Time
    in 1913. Ireland adopted GMT in 1916, supplanting Dublin Mean Time. Hourly time signals from Greenwich Observatory were first broadcast by shortwave radio...
    21 KB (2,438 words) - 22:03, 23 May 2025
  • Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide...
    27 KB (2,991 words) - 18:48, 20 May 2025
  • Thumbnail for Time in Canada
    Broadcasting Corporation aired a daily time signal, the National Research Council Time Signal, beginning November 5, 1939. The signal was discontinued on October...
    31 KB (2,341 words) - 16:02, 7 April 2025
  • Some examples of hard real-time systems: A car engine control system is a hard real-time system because a delayed signal may cause engine failure or...
    26 KB (3,408 words) - 06:56, 18 December 2024
  • Thumbnail for Short-time Fourier transform
    local sections of a signal as it changes over time. In practice, the procedure for computing STFTs is to divide a longer time signal into shorter segments...
    22 KB (4,055 words) - 09:25, 3 March 2025
  • submitted to DST for consideration.[needs update] Official time signals are generated by the Time and Frequency Standards Laboratory at the National Physical...
    14 KB (1,408 words) - 13:01, 12 April 2025
  • A forex signal is a suggestion for entering a trade on a currency pair, usually at a specific price and time. The signal is generated either by a human...
    4 KB (409 words) - 21:29, 1 December 2024
  • Thumbnail for HBG (time signal)
    HBG was a low frequency time signal transmitter for the Swiss time reference system. It transmitted on 75 kHz with 20 kW power, and was located in Prangins...
    4 KB (424 words) - 13:32, 24 November 2023
  • Thumbnail for Time domain
    In mathematics and signal processing, the time domain is a representation of how a signal, function, or data set varies with time. It is used for the analysis...
    3 KB (341 words) - 19:37, 18 February 2025
  • Thumbnail for Quartz clock
    electronic oscillator regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks and...
    51 KB (5,527 words) - 14:32, 25 May 2025
  • Thumbnail for Autocorrelation
    Autocorrelation (category Signal processing)
    sometimes known as serial correlation in the discrete time case, measures the correlation of a signal with a delayed copy of itself. Essentially, it quantifies...
    39 KB (5,833 words) - 21:51, 7 May 2025
  • Thumbnail for Digital signal (signal processing)
    of digital signal processing (DSP), a digital signal is a discrete time, quantized amplitude signal. In other words, it is a sampled signal consisting...
    4 KB (419 words) - 15:01, 8 August 2024