Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Pseudorandom noise
open-in-new
<h2 id="pn-code">PN code</h2> <p class="note">Main article: <a href="/facts/Pseudorandom_binary_sequence/fFSVtEE4">Pseudorandom binary sequence</a></p> <p>A pseudo-noise code (PN code) or pseudo-random-noise code (PRN code) is one that has a spectrum similar to a <a href="/facts/Algorithmically_random_sequence/n0UTETlJ">random sequence</a> of bits but is <a href="/facts/Deterministic_computation/J8duzAfh">deterministically</a> generated. The most commonly used sequences in <a href="/facts/Direct-sequence_spread_spectrum/l3u1HVTd">direct-sequence spread spectrum</a> systems are <a href="/facts/Maximal_length_sequence/VqXvnRvs">maximal length sequences</a>, <a href="/facts/Gold_code/a0FsE0Mc">Gold codes</a>, <a href="/facts/Kasami_code/q5QNFUCS">Kasami codes</a>, and <a href="/facts/Barker_code/Evv5QYru">Barker codes</a>.<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Barker_code/Evv5QYru">Barker code</a></li> <li><a href="/facts/Gold_code/a0FsE0Mc">Gold Codes</a></li> <li><a href="/facts/Maximum_length_sequence/VqXvnRvs">Maximum length sequence</a></li> <li><a href="/facts/Zadoff%25E2%2580%2593Chu_sequence/vKYfrag7">Zadoff–Chu sequence</a></li> <li><a href="/facts/Pseudorandom_number_generator/sIrCxIBq">Pseudorandom number generator</a></li> <li><a href="/facts/Pseudorandomness/kfs1wfhY">Pseudorandomness</a></li> <li><a href="/facts/White_noise/wJ0SR21n">White noise</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Change Topic: Pseudorandom Noise (PRN) Expansion" (PDF). GPS.GOV. Archived (PDF) from the original on October 9, 2022. Retrieved July 13, 2011. <a href="http://www.gps.gov/technical/icwg/meetings/2011/09/13/WAS-IS-FINAL_PRN_Expansion_4May2011.pdf" target="_blank">http://www.gps.gov/technical/icwg/meetings/2011/09/13/WAS-IS-FINAL_PRN_Expansion_4May2011.pdf</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>This article incorporates public domain material from Federal Standard 1037C. General Services Administration. Archived from the original on January 22, 2022. (in support of MIL-STD-188). <a href="/wiki/Copyright_status_of_works_by_the_federal_government_of_the_United_States" target="_blank">/wiki/Copyright_status_of_works_by_the_federal_government_of_the_United_States</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"The Apollo Unified S Band System" <a href="http://www.ab9il.net/aviation/apollo-s-band.html" target="_blank">http://www.ab9il.net/aviation/apollo-s-band.html</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"PN Sequences". Archived from the original on May 12, 2006. Retrieved March 24, 2006. <a href="https://web.archive.org/web/20060512195837/http://www-mobile.ecs.soton.ac.uk/bjc97r/pnseq.old/node1.html" target="_blank">https://web.archive.org/web/20060512195837/http://www-mobile.ecs.soton.ac.uk/bjc97r/pnseq.old/node1.html</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> </ol>