Lバンド

曖昧さ回避 この項目では、マイクロ波の周波数帯域について説明しています。光ファイバの波長帯Long band（1.565～1.625［μｍ］）については「光波長多重通信」をご覧ください。
AN/SPS-49。Lバンドを利用する対空捜索レーダー。

Lバンド（L帯とも、英語: L-band）は、マイクロ波の周波数帯域の一つ。1GHz帯（0.5 - 1.5GHz; 波長200 - 600mm）の極超短波（UHF）にあたり、主にレーダーや衛星電話、携帯電話、地球観測衛星の合成開口レーダー（SAR）などで利用されている[1][2][3]。

多くの場合、帯域呼称は第二次世界大戦中の技術革新に応じて場当たり的に設定されていたが、Lバンドについては当時から現在に至るまで同じ周波数帯がこう称されている。なお「Lバンド」の語源は波長の「Long」とされている[4]。

Lバンドを利用する機器の例

・衛星測位システム 一部はSバンドに対応しているものもある

出典

  1. ^ 古野電気 (2012年). “レーダーの構成”. 2014年3月4日閲覧。
  2. ^ 内閣府政策統括官（防災担当）. “用語集” (PDF). 2014年3月3日閲覧。
  3. ^ 株式会社Wave Technology. “【参考】 電波の周波数による分類・定義”. 2014年3月3日閲覧。
  4. ^ 野木恵一「艦載レーダーの歩み」『世界の艦船』第433号、海人社、1991年3月、69-75頁。 

←短波長       長波長 →
ガンマ線 - X線 - 紫外線 - 可視光線 - 赤外線 - （テラヘルツ波） - マイクロ波 - 電波

X線
紫外線
可視光線
赤外線
マイクロ波
電波

Read other articles:

List of music festivals in the United Kingdom

Glastonbury Festival, England, 2016 There are many notable music festivals in the United Kingdom, covering a wide variety of genres, which are usually run from late May to early September. Some are world-renowned and have been held for many years, including the world's largest greenfield festival, Glastonbury, which has been held since the 1970s. History This section needs expansion. You can help by adding to it. (September 2012) Isle of Wight Festival 1969 Large-scale modern music festivals...

 

List of acts of the Parliament of the United Kingdom from 1913

Part of a series onBritish law Acts of Parliament of the United Kingdom Year      1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 ...

 

WAOK

This article relies excessively on references to primary sources. Please improve this article by adding secondary or tertiary sources. Find sources: WAOK – news · newspapers · books · scholar · JSTOR (May 2007) (Learn how and when to remove this template message) Radio station in Atlanta, GeorgiaWAOKAtlanta, GeorgiaBroadcast areaAtlanta metropolitan areaFrequency1380 kHzBrandingNews & Talk 1380 WAOKProgrammingLanguage(s)EnglishFormatUrban talk rad...

Puri Jagannadh

Ini adalah nama Telugu; marganya adalah Petla. Puri Jagannadh(పూరి జగన్నాధ్)LahirPuri Jagannadh28 September 1966 (umur 57)Kothapalli[perlu disambiguasi], Andhra Pradesh, India[1]Tempat tinggalHyderabad, Telangana, IndiaNama lainJaganPekerjaanSutradara, Produser, Penulis naskah, Pemeran, Penulis ceritaTahun aktif2000–sekarangSuami/istriLavanyaAnak3KerabatSairam Shankar (saudara)Situs webpurijagan.com Puri Jagannadh[2] (lahir 28 S...

 

2020年夏季奥林匹克运动会阿尔及利亚代表团

2020年夏季奥林匹克运动会阿尔及利亚代表團阿尔及利亚国旗IOC編碼ALGNOC阿爾及利亞奧林匹克委員會網站www.coa.dz（法文）2020年夏季奥林匹克运动会（東京）2021年7月23日至8月8日（受2019冠状病毒病疫情影响推迟，但仍保留原定名称）運動員41參賽項目14个大项旗手开幕式：穆罕默德·弗利希（拳击）和阿梅爾·梅利（英语：Amel Melih）（游泳）[1]闭幕式：伊曼·哈利夫（拳�...

 

Svein Fjælberg

Norwegian footballer (born 1959) Svein Fjælberg Fjælberg in 2008, during a show match between Viking All Star and Liverpool LegendsPersonal informationFull name Svein FjælbergDate of birth (1959-01-12) 12 January 1959 (age 65)Place of birth Sola, NorwayPosition(s) DefenderYouth career SolaSenior career*Years Team Apps (Gls)1979–1990 Viking 128 (2)International career1979–1986 Norway 33 (0)Managerial career1990–1991 Viking (ass. coach)2000–2001 Viking (ass. coach)2010–2011 Vi...

Menu (computing)

List of options or commands within a computer program This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Menu computing – news · newspapers · books · scholar · JSTOR (September 2021) (Learn how and when to remove this message) A drop-down menu of file operations in a Microsoft Windows program In user inter...

 

Faroe Islands national under-21 football team

Faroe Islands U21AssociationFaroe IslandsFootball AssociationConfederationUEFA (Europe)Head coachSámal Erik Hentze[1]Most capsJóannes Bjartalíð (18)[2]Top scorerGunnar ZachariasenStefan RadosavljevicMeinhard Olsen (4) [3]Home stadiumTórsvøllur and SvangaskarðFIFA codeFRO First colours Second colours First international Croatia 2 – 0 Faroe Islands (Varaždin, Croatia; 2 June, 2007)Biggest win Faroe Islands 3 – 1  Andorra(Tórshavn, Faroe Islands; 1...

 

Ina Marie dari Bassewitz

Putri Oskar dari Prusia, Countess Ruppin (27 Januari 1888 – 17 September 1973) adalah aristokrat Jerman dan istri dari Pangeran Oskar dari Prusia. Oleh karena itu, dia menjadi menantu dari Kaisar Jerman Wilhelm II.[1] Putri Ina MariePutri Oskar dari PrusiaCountess RupppinCountess Ina Marie, 1916Kelahiran(1888-01-27)27 Januari 1888Bristow, Keharyapatihan Mecklenburg-Schwerin, Kekaisaran JermanKematian17 September 1973(1973-09-17) (umur 85)Munich, Bavaria, Jerman BaratPemakaman19...

1970 United States Senate election in New Mexico

1970 United States Senate election in New Mexico ← 1964 November 3, 1970 1976 →   Nominee Joseph Montoya Anderson Carter Party Democratic Republican Popular vote 151,486 135,004 Percentage 52.26% 46.57% County resultsMontoya:      50–60%      60–70% Carter:      40–50%      50–60%      60–70% U.S. senator before election Joseph...

 

Cai Qirui

Chinese chemist (1914–2016) This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Cai Qirui – news · newspapers · books · scholar · JSTOR (December 2020) (Learn how and when to remove this message) You can help expand this article with text translated from the corresponding article in Chinese. (December 202...

 

James Clerk Maxwell

Scottish physicist (1831–1879) James Clerk MaxwellFRSE FRSPhotograph of Maxwell in his 40sBorn(1831-06-13)13 June 1831Edinburgh, ScotlandDied5 November 1879(1879-11-05) (aged 48)Cambridge, EnglandResting placeParton, Kirkcudbrightshire55°00′24″N 4°02′21″W / 55.006693°N 4.039210°W / 55.006693; -4.039210Alma materUniversity of EdinburghPeterhouse, CambridgeTrinity College, CambridgeKnown forStatistical mechanicsMaxwell's equationsDisplace...

Purulia Junction railway station

Railway Station in West Bengal, India Purulia Junctionপুরুলিয়া জংশন Indian Railways junction stationPurulia junction sign board in Bangla, Santali, Hindi and EnglishGeneral informationLocationStation Road, Purulia, West BengalIndiaCoordinates23°19′30″N 86°22′41″E / 23.325°N 86.378°E / 23.325; 86.378Elevation246 metres (807 ft)Owned byIndian RailwaysOperated bySouth Eastern Railway zoneLine(s)Asansol–Tatanagar–Kharagpur li...

 

History of the Jews in Zakynthos

Moshe Moises Mazza, head of the community of Zakynthos and the Peloponnese. He also served as the head of the community in the 1920s The Jewish Community of Zakynthos Island is about eight hundred years old. The community was originally Romaniote.[1] In Rafael Parisi's book Pieces of the History of Greek Jewry, it is mentioned that in the 12th century there was a migration movement towards the Ionian Islands, especially to the island of Zakynthos - where they founded a synagogue. Anot...

 

Granary Square

Urban square in the London Borough of Camden Road bridge to Granary Square with Central Saint Martins college behind Granary Square is a large open space in the London Borough of Camden. Comparable in size to Trafalgar Square,[1] it is part of the larger King's Cross Central development. It has been cited as an example of a privately owned public space in London.[2] The new Central Saint Martins complex is adjacent. Visitor attractions in the square include Queer Britain, the ...

Leicester Stanhope, 5th Earl of Harrington

English peer and soldier (1784–1862) Leicester FitzGerald Charles Stanhope, 5th Earl of Harrington, CB (2 September 1784 – 7 September 1862),[1] styled The Honourable Leicester Stanhope until 1851, was an English peer and soldier. Early life Leicester Stanhope was born in Dublin in 1784, the third son of Charles Stanhope, 3rd Earl of Harrington, and Jane Stanhope, Countess of Harrington. Career Stanhope became a Cornet and Sublieutenant in the 1st Regiment of Life Gua...

 

Avoiuli

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Avoiuli – news · newspapers · books · scholar · JSTOR (March 2022) (Learn how and when to remove this message) Writing system used in parts of Vanuatu AvoiuliA stone carved with Avoiuli writingScript type alphabet CreatorViraleo BoborenvanuaTime period1990s to ...

 

Roger Penske

Roger PenskeLahir20 Februari 1937 (umur 87)Karier Kejuaraan Dunia Formula SatuKebangsaan Amerika SerikatTahun aktif1961 - 1962TimNon-works CooperLotusLomba pertamaGrand Prix AS 1961Lomba terakhirGrand Prix AS 1962 Roger S. Penske (lahir 20 Februari 1937) merupakan seorang mantan pembalap mobil professional asal Amerika Serikat. Ia sempat turun di ajang balap Formula Satu dalam dua seri lomba yaitu di GP AS 1961 dan GP AS 1962. Usai pensiun dari dunia balap, Penske kemudian membentuk...

Birthmarked (film)

2018 filmBirthmarkedTheatrical release posterDirected byEmanuel Hoss-DesmaraisScreenplay byMarc TulinStory by Marc Tulin Emmanuel Hoss-Desmarais Produced byPierre EvenStarring Matthew Goode Toni Collette Andreas Apergis Jordan Poole Megan O'Kelly Anton Gillis-Adelman Michael Smiley Suzanne Clément Fionnula Flanagan CinematographyJosée DeshaiesEdited byArthur TarnowskiMusic byStephen RennicksProductioncompanies Item 7 Parallel Films Aqute Media Distributed by Vertical Entertainment Entertain...

 

Fire (1996 film)

This article is about the Indo-Canadian film. For the Pakistani film of the same name, see Fire (2002 film). 1996 Indian filmFireFilm posterDirected byDeepa MehtaWritten byDeepa MehtaProduced byBobby Bedi Deepa MehtaStarringNandita Das Shabana AzmiCinematographyGiles NuttgensEdited byBarry FarrellMusic byA. R. RahmanProductioncompaniesKaleidoscope Entertainment Trial by Fire FilmsDistributed byZeitgeist FilmsRelease dates 6 September 1996 (1996-09-06) (TIFF) 5 November...