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
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
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
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
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
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
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
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
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
Radio clock (redirect from Time signal service)
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
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
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
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
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
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
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
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
Quartz clock (section External time signal correction)
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
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
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