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  • {{Short description|Radio modulation design}} ...ame="GAL_ICD"/> and modernized [[Global Positioning System|GPS]] satellite navigation signals, which combines a sine [[binary offset carrier]] SinBOC(1,1) signal ...
    2 KB (336 words) - 04:08, 17 April 2024
  • ...gation|navigating]] with respect to an object of known location, such as a radio beacon. A straight line called the ''azimuth line of position'' is drawn on ...egment capable sphérique. Navigation Nº.116 Vol.XXIX, Institut français de navigation, octubre/1981.</ref> curve for a star with coordinates (''Dec, GHA''), - [[ ...
    3 KB (418 words) - 23:45, 15 March 2023
  • ...in the US GPS system, Indian [[IRNSS]] system and in [[Galileo (satellite navigation)|Galileo]]<ref>{{cite web|title=Galileo Open Service Signal in Space Interf ...last3=Renfors |first3=Markku |title=BOC modulation techniques in satellite navigation systems|url=https://onlinelibrary.wiley.com/doi/abs/10.1002/wcm.407 |date=7 ...
    6 KB (939 words) - 02:54, 13 December 2024
  • ...based on converting the continuous light energy from a [[pump laser]] to [[radio frequency]] (RF), [[microwave]] or [[mm-wave]] signals. The OEO is characte * navigation systems, ...
    5 KB (737 words) - 21:40, 28 October 2024
  • {{short description|Class of obsolete radio navigation systems}} ...tions. The receiver is then located at one of the two intersections. Other navigation information can be used to determine at which intersection the receiver is ...
    38 KB (5,903 words) - 00:05, 1 September 2024
  • {{broader|Radio horizon}} ...to avoid radar detection by using a technique called [[nap-of-the-earth]] navigation.<ref>{{Cite web|url=http://www.ifp.illinois.edu/~varshney/cornell/publicati ...
    7 KB (1,083 words) - 14:15, 13 June 2024
  • An '''inverted-F antenna''' is a type of [[Antenna (radio)|antenna]] used in [[wireless communication]], mainly at [[ultrahigh freque ...the [[microstrip]] format, a widely used technology that allows printed [[radio frequency|RF]] components to be manufactured as part of the same [[printed ...
    14 KB (2,148 words) - 18:05, 31 August 2024
  • ...und the map in VANETs, to perform the localization. These RSUs have a wide radio range that allows the defense mechanism to be able to monitor a lot of vehi ...nted by Eltahir et al.<ref>Ibrahim Khider Eltahir. The impact of different radio propagation models for mobile ad hoc networks (manet) in urban area environ ...
    14 KB (2,173 words) - 20:35, 20 February 2025
  • [[File:Accuracy of Navigation Systems.svg|thumb]] ...ellite Augmentation System]] (MSAS) (Japan), and [[GPS Aided Geo Augmented Navigation]] (GAGAN) (India) which transmits it on the GPS frequency using a special p ...
    37 KB (5,580 words) - 15:58, 28 January 2025
  • ...IMO]] techniques used to increase the [[Channel capacity|capacity]] of a [[radio]] link.<ref name=":0" /> <ref>{{Cite journal |last=Kalkan |first=Yılmaz |da ...twork applications and multi-input multi-output radar." IET Radar, Sonar & Navigation 7.3 (2013): 261-269.</ref> In this approach, the total amount of available ...
    7 KB (1,037 words) - 22:09, 6 January 2024
  • * 1121 – [[Henry I of England|King Henry I]] orders the [[Foss Dyke]] navigation to be improved.<ref name=IAL850/><ref>[[Symeon of Durham]]. ''Historia Regi * 1671–2 – City authorised to improve navigation between the [[River Trent|Trent]] and [[Boston, Lincolnshire|Boston]]: work ...
    20 KB (2,694 words) - 20:44, 22 September 2024
  • ...obal positioning systems]] (GPS), [[ultra-wide band]] (UWB) systems, and [[radio frequency identification]] systems (RFID), but these systems can easily be ...
    8 KB (1,051 words) - 00:14, 30 March 2024
  • [[File:Project SPIRE Inertial Navigation Control.jpg|thumb|A 1950s inertial navigation control developed at MIT]] ...Accuracy of Navigation Systems.svg|thumb|Comparison of accuracy of various navigation systems: the radius of the circle indicates the accuracy. A smaller radius ...
    47 KB (6,922 words) - 21:21, 13 February 2025
  • {{Short description|Type of satellite that transmits over amateur radio frequencies}} {{amateur radio}} ...
    51 KB (6,526 words) - 03:34, 11 October 2024
  • ...aircraft, for example, [[radar]] and the nearly obsolete Long Range Aid to Navigation [[LORAN|LORAN-C]]. For example, in one radar system, pulses of electromagne ...lication by the [[speed of light]]). This principle is used in [[satellite navigation]]. In conjunction with a standardized model of the Earth's surface, a locat ...
    26 KB (3,820 words) - 08:29, 16 December 2024
  • ...of kilometres, which is much denser than other methods such as [[Satellite navigation|GNSS]] and space-borne passive sensors.<ref name=":1" /> However, the long # Using auxiliary data like [[Satellite navigation|GNSS]]<ref>{{Cite journal |last1=Chen |first1=Jingyi |last2=Zebker |first2= ...
    38 KB (5,247 words) - 01:23, 26 February 2025
  • ...ls, [[radar]] signals, [[mobile phone]] signals, [[navigation]] signals, [[radio astronomy]] signal, biomedical signals, control signals, weather signal, se ...
    11 KB (1,694 words) - 08:12, 18 November 2022
  • In the early 20th century, radio engineers sought a precise, stable source of radio frequencies and started at first with steel resonators. However, when [[Wal ...ridian]] (or another starting point) is accurately enough known, celestial navigation can determine longitude, and the more accurately time is known the more acc ...
    51 KB (7,178 words) - 23:02, 2 January 2025
  • ...o involves non-attitude concepts, such as [[position determination]] and [[navigation]]. ...d they require frequent momentum desaturation maneuvers, which can perturb navigation solutions because of accelerations imparted by the use of thrusters.{{citat ...
    31 KB (4,599 words) - 03:48, 21 December 2024
  • {{About||a clock updated by radio signals|Radio clock|the clock as a measure for risk of catastrophic destruction|Doomsday ...s-date=April 30, 2024 |work=Weekend Edition Sunday |agency=National Public Radio |date=November 27, 2022}}</ref> ...
    112 KB (15,721 words) - 23:17, 20 February 2025
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