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33 relations: Algorithmically random sequence, Barker code, Bit rate, Chip (CDMA), Correlation and dependence, Cryptography, Deterministic automaton, Direct-sequence spread spectrum, Frequency-hopping spread spectrum, Global Positioning System, Gold code, Kasami code, Key (cryptography), Maximum length sequence, Noise (electronics), Pattern, Pseudorandom binary sequence, Pseudorandom number generator, Pseudorandomness, Pulse (signal processing), Rangefinder, Sequence, Signal, Signaling (telecommunications), Spread spectrum, Statistical randomness, Subtractive synthesis, Symbol rate, Synthesizer, Title 47 CFR Part 15, Unified S-band, White noise, White noise machine.
Algorithmically random sequence
Intuitively, an algorithmically random sequence (or random sequence) is an infinite sequence of binary digits that appears random to any algorithm.
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Barker code
A Barker code or Barker sequence is a finite sequence of N values of +1 and −1, with the ideal autocorrelation property, such that the off-peak (non-cyclic) autocorrelation coefficients are as small as possible: for all 1 \le v. Only nine Barker sequences are known, all of length N at most 13.
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Bit rate
In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.
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Chip (CDMA)
In digital communications, a chip is a pulse of a direct-sequence spread spectrum (DSSS) code, such as a Pseudo-random Noise (PN) code sequence used in direct-sequence code division multiple access (CDMA) channel access techniques.
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Correlation and dependence
In statistics, dependence or association is any statistical relationship, whether causal or not, between two random variables or bivariate data.
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Cryptography
Cryptography or cryptology (from κρυπτός|translit.
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Deterministic automaton
In computer science, a deterministic automaton is a concept of automata theory in which the outcome of a transition from one state to another is determined by the input.
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Direct-sequence spread spectrum
In telecommunications, direct-sequence spread spectrum (DSSS) is a spread spectrum modulation technique used to reduce overall signal interference.
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Frequency-hopping spread spectrum
Frequency-hopping spread spectrum (FHSS) is a method of transmitting radio signals by rapidly switching a carrier among many frequency channels, using a pseudorandom sequence known to both transmitter and receiver.
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Global Positioning System
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.
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Gold code
A Gold code, also known as Gold sequence, is a type of binary sequence, used in telecommunication (CDMA) and satellite navigation (GPS).
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Kasami code
Kasami sequences are binary sequences of length 2N-1 where N is an even integer.
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Key (cryptography)
In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm.
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Maximum length sequence
A maximum length sequence (MLS) is a type of pseudorandom binary sequence.
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Noise (electronics)
In electronics, noise is an unwanted disturbance in an electrical signal.
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Pattern
A pattern is a discernible regularity in the world or in a manmade design.
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Pseudorandom binary sequence
A pseudorandom binary sequence (PRBS) is a binary sequence that, while generated with a deterministic algorithm, is difficult to predict and exhibits statistical behavior similar to a truly random sequence.
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Pseudorandom number generator
A pseudorandom number generator (PRNG), also known as a deterministic random bit generator (DRBG), is an algorithm for generating a sequence of numbers whose properties approximate the properties of sequences of random numbers.
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Pseudorandomness
A pseudorandom process is a process that appears to be random but is not.
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Pulse (signal processing)
A pulse in signal processing is a rapid, transient change in the amplitude of a signal from a baseline value to a higher or lower value, followed by a rapid return to the baseline value.
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Rangefinder
A rangefinder is a device that measures distance from the observer to a target, in a process called ranging.
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Sequence
In mathematics, a sequence is an enumerated collection of objects in which repetitions are allowed.
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Signal
A signal as referred to in communication systems, signal processing, and electrical engineering is a function that "conveys information about the behavior or attributes of some phenomenon".
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Signaling (telecommunications)
In telecommunication, signaling has the following meanings.
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Spread spectrum
In telecommunication and radio communication, spread-spectrum techniques are methods by which a signal (e.g., an electrical, electromagnetic, or acoustic signal) generated with a particular bandwidth is deliberately spread in the frequency domain, resulting in a signal with a wider bandwidth.
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Statistical randomness
A numeric sequence is said to be statistically random when it contains no recognizable patterns or regularities; sequences such as the results of an ideal dice roll or the digits of π exhibit statistical randomness.
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Subtractive synthesis
Subtractive synthesis is a method of sound synthesis in which partials of an audio signal (often one rich in harmonics) are attenuated by a filter to alter the timbre of the sound.
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Symbol rate
In digital communications, symbol rate, also known as baud rate and modulation rate, is the number of symbol changes, waveform changes, or signaling events, across the transmission medium per time unit using a digitally modulated signal or a line code.
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Synthesizer
A synthesizer (often abbreviated as synth, also spelled synthesiser) is an electronic musical instrument that generates electric signals that are converted to sound through instrument amplifiers and loudspeakers or headphones.
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Title 47 CFR Part 15
Code of Federal Regulations, Title 47, Part 15 (47 CFR 15) is an oft-quoted part of Federal Communications Commission (FCC) rules and regulations regarding unlicensed transmissions.
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Unified S-band
The Unified S-band (USB) system was a tracking and communication system developed for the Apollo program by NASA and the Jet Propulsion Laboratory (JPL).
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White noise
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density.
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White noise machine
A white noise machine is a device that produces a sound with a random character, which sounds like a rushing waterfall or wind blowing through trees.
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PN code, PN-sequence, Pseudo-noise code, Pseudo-noise sequence, Pseudo-random noise, Pseudo-random noise sequence, Pseudo-random-noise, Pseudonoise, Pseudonoise code, Pseudonoise sequence.
References
[1] https://en.wikipedia.org/wiki/Pseudorandom_noise
