Lumispot yana ba da tabbacin tabbataccen bayani da sabis bayan tallace-tallace, wanda ya tabbatar da shi, da takamaiman tsarin, tsarin ƙasa, da kuma ingataccen tsarin. Amsar abokin ciniki mai sauri da tallafin tallace-tallace bayan albashi.
Biyan kuɗi zuwa kafofin watsa labarunmu don m
Airborne LiardsKo dai ko dai koyan takamaiman maki daga mai bugun jini, wanda aka fi sani da ma'aunin dawowa yayin da ya dawo, da ake kira cikakken sigina kamar 1 ns (wanda ke rufe kusan 15 cm). Mafi yawan launuka masu cikakken bayani ana amfani da su a cikin gandun daji, yayin da hankali dawo da aikace-aikacen Amurka yana da babban aikace-aikace a duk fannoni daban-daban. Wannan labarin da farko tattauna mai hankali dawo da Lidar da amfani. A wannan babin, zamu rufe wasu batutuwa da yawa game da Lidar, gami da ainihin kayan aikinta, yadda yake aiki, daidaitonsa, tsarinsa, da wadatarsa.
Abubuwan da aka gyara na asali na Lidar
Tsarin lif na tushen ƙasa yana yawanci amfani da lazuers tare da igiyar ruwa tsakanin 500-600 tsarin amfani da laashen da aka yi amfani da laashen da aka fi tsayi, jere daga 1000-1600 nm. Matsakaicin saiti na Airborne ya ƙunshi na'urar sikirin laser, naúrar don auna nesa (wani ɓangaren ɓangaren ɓangaren), da tsarin sarrafawa don sarrafawa, saka idanu. Hakanan ya hada da tsarin daidaitaccen yanayin duniya (DGPS) da naúrar ma'aunin rashin aiki (IMU), galibi ana haɗa shi cikin tsarin guda da aka sani da tsarin tsari wanda aka sani da tsarin tsari. Wannan tsarin yana ba da madaidaitan wuri (logitude, latitude, da tsayi) da kuma daidaituwa (mirgine, farar, da kuma shiga) bayanai.
Abubuwan da ke cikin layi wanda Laser ke bincika yankin zai iya bambanta, gami da zigzag, layi daya, ko hanyoyin ellipical. Haɗin Dgps da IMu data, tare da bayanan daidaituwa da sigogi masu hawa, yana ba da damar tsarin don aiwatar da maki na laser da aka tattara. Wadannan abubuwan an sanya su ne (x, y, z) a cikin tsarin daidaitawa ta amfani da tsarin halittar duniya na 1984 (Wgs8) Datum.
Ta yaya LiddarNesa mai nisaAiki? Yi bayani a hanya mai sauƙi
Tsarin Lidar yana fitar da saurin sauri kamar yadda aka yiwa wani abu ko farfajiya.
Laser din yana tutes yana nuna manufa da komawa zuwa ga Lidar firikwensin.
Mai firikwensin daidai yana auna lokacin da zai buƙaci kowane bugun jini don tafiya zuwa maƙasudin da baya.
Yin amfani da saurin haske da lokacin tafiya, nisan zuwa manufa ana lissafta.
A haɗe tare da matsayin da kuma bayanan daidaituwa daga GPS da masu aikin kwaikwayo na IMU, ingantattun daidaitattun abubuwan da aka tsara na laser sun ƙaddara.
Wannan yana haifar da girgije mai ƙarfi na 3D wanda ke wakiltar kayan kwalliya ko abu.
Ka'idodin jiki na Lidi
Tsarin lidar suna amfani da nau'ikan lasters guda biyu: ja da ci gaba da raƙuman ruwa. Puted tsarin lidar tsarin aiki ta hanyar aika wani ɗan gajeren haske bugun jini sannan a auna lokacin da zai buƙaci zuwa maƙasudin da dawowar. Wannan ma'aunin lokacin tafiya-tafiya yana taimakawa wajen ƙayyade nisan zuwa manufa. An nuna wani misali a cikin zane a inda allonin duka sun watsa siginar hoto (a) da siginar hasken da aka karɓa (Ar) aka nuna (Ar). Halin asali da aka yi amfani da shi a cikin wannan tsarin ya ƙunshi saurin haske (C) da nisan da ke zuwa manufa wanda ke da hasken don dawowa.
Mai hankali dawowa da cikakken ma'aunin madaidaiciya ta amfani da Lidar Ruwa.
Tsarin Virtar na Airbore.
Tsarin ma'aunin a cikin Lidar, wanda ke ɗaukar abubuwan ganowa da halaye na maƙasudin daidaituwa na Lidar. Wannan daidaituwa an daidaita shi ne daga daidaiton radar kuma yana da asali wajen fahimtar yadda tsarin lidar ya lissafa nesa. Ya bayyana alaƙar da ke tsakanin ikon siginar da aka watsa (PT) da kuma ikon siginar da aka karɓa (Pr). Ainihin, daidaituwa yana taimaka wa sau nawa aka dawo da hasken da aka watsa zuwa ga mai karɓa bayan ya nuna maƙasudin, wanda yake da mahimmanci don tantance nisa da ƙirƙirar ingantattun taswira. Wannan dangantakar tana la'akari da dalilai na asusun kamar ƙaddamar da sigina saboda nesa da ma'amala tare da niyya.
Aikace-aikace na Lidi Rasa Jiki
layin nesa mai nisa yana da aikace-aikace da yawa a cikin fannoni daban-daban:
A cikin taswirar kan layi don ƙirƙirar samfuran haɓakar haɓaka na haɓaka (dems).
Mallwar da aka fara aiki da kuma zapinan ciyayi don yin nazarin tsarin alfarwa ta itace da biomass.
Taken Bory Torce da Mappple Mappping don lura da lalacewa da canje-canje na teku.
Mulasawa da yin zane-zane, gami da hanyoyin sadarwa da hanyoyin sufuri.
Aikin wasan kimiyya da kuma al'adun gargajiya na al'adu da kayayyakin tarihi.
Aikin kwastomomi da ma'adinai don tsara kayan aikin farfajiya da kuma sa ido kan ayyukan sa ido.
Motoci na Motoci na Motoci na Motoci da kuma gano cikas.
Binciken Binciken Planetary, kamar taswirar saman duniyar Mars.
Buƙatar cin abinci kyauta?
Albarkatun Lidi:
An bayar da jerin abubuwan da basu dace ba na hanyoyin samun bayanan LIDAR da software na kyauta a ƙasa.lidar LOS:
1.Bude takenhttp://www.openopographog.org
2.USGS Explorerhttp://earthexplorer.uss.gov
3.Amurka ta nuna rashin jituwahttps://Coast.Noaaaa.gov/ kaya /
4.Gudanar da Kasa da ATMOSPHERICSIONS (NOAA)Dijital coasthtps: //www.coast.noa.Gov/#
5.Wikipedia lidarhttps://en.wikipedia.org/wiki/noration_ldar_dataset_ (states)
6.LIDAR Onlinehttp://www.lidar-ulline.com
7.Cibiyar Kula da Kasa ta Kasahttp://www.neonsonsChiens.orgor/data-reskowers/get-data/akborne-data
8.Bayanai na Lidi don Arewa Spainhttp://b5m.cupuzkoa.net/url5000/en/G_22485/publidar
9.Bayanai na Lidi na United Kingdomhttp://catalogue.ceda.ac.ac.uk/ jere /? dawo_obj = Ob & ID = 8049, 8051, 8051, 8051, 8051, 8051, 8051, 8051, 8051, 8051
Software na LIDAR kyauta:
1.Na bukatar kishi. http://bcal.gology.Su.edu/viceols.shtml
2.FugroViewer(Ga LIDA da sauran bayanan rasassu / vector) http://www.fugroViewer.com/
3.Fusion / LDV(Tattaunawa na LIDAR LATSA, Canje-canje, da bincike, da bincike) http: // fresys.cfr.Washington.edu/afaystSt.html
4.Kayan aikin las(Code da Sofwa don karatu da Rubuta Las fi) http: // www.cs.unc.edu/cisenburg/Lassiols/
5.Lasutity(Sauran abubuwan amfani na Gui don hangen nesa da Canjin Las Fes) http://home.iitk.ac.in/-blohhani/lasutility.html
6.Libras(C / C ++ Laburaren karatu / Rubuta Tsarin LASS) http://www.liblas.org/
7.MCC-LIDAAR(Scale Curviure Curvure Cation Cation don Lidar) htar) http: // Greyforge.net/Projects/mccclidar/
8.MARS FASAHA(3D Data na Lidar Data) http://www.merick.com/geospatial/software-prodware
9.Cikakken bincike(Buɗe software software don sarrafawa da kayan gani na Lodicoints da kuma Rabiloflats) http://mullanaFananzai.Su/
10.Pifunth girgije sihiri (A set of software tools for LiDAR point cloud visualiza-tion, editing, filtering, 3D building modeling, and statistical analysis in forestry/ vegetation applications. Contact Dr. Cheng Wang at wangcheng@radi.ac.cn)
11.Mai Saurin Kasa mai sauri(Gani na Lidar Point Clouds) http:/dpledimagery.com/dptload, za a iya samun ƙarin kayan aikin kayan aikin software na Open a http://opentopo.sdSc.edu/tools/liolts.
Yarda
- Wannan talifin ya ƙunshi bincike daga "Lidi nesa mai nisa da aikace-aikacen" ta VINícius GuimarÃÃes, 2020. Akwai labarinnan.
- Wannan cikakkun jerin da cikakken bayani game da hanyoyin haɗin LIDAR da aka samar da kayan aiki mai mahimmanci don kwararru da masu bincike a fagen bincike na zahiri da na ƙasa.
Discimer:
- A zahiri mun bayyana cewa wasu hotuna da aka nuna akan yanar gizo don intanet don manufar inganta ilimi da rabawa. Muna girmama hakkin mallakar mallakar hikimar dukkan masu kirkirar asali. Amfani da waɗannan hotunan ba a yi nufin riba ta kasuwanci ba.
- Idan kun yi imani da cewa wani daga cikin abubuwan da abun ciki ya yi amfani da shi akan haƙƙin mallaka, don Allah a tuntube mu. Mun fi son ɗaukar matakan da suka dace, gami da cire hotuna ko samar da martaba da suka dace, don tabbatar da yarda da dokokin mallaka da ƙa'idodi. Manufarmu ita ce kiyaye wani dandamali da ke da wadata a cikin abu, adalci da girmama wasu haƙƙin mallakarsu.
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Lokaci: Apr-16-2024