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Ingolise ho mecha ea litaba ea sechaba bakeng sa poso e potlakileng
Sensor tsa Airborne Lidare ka hapa lintlha tse ikhethang tse tsoang ho laser Seaveforformeformelformelformel e sebelisoa haholo morung, ha a ntse a kokobetsa Lidare haholo likopo tse pharaletseng masimong a fapaneng. Sengoloa sena se bua ka mokhoa o hlakileng oa li-edare le tšebeliso ea eona. Khaolong ena, re tla akaretsa lihlooho tse 'maloa tsa bohlokoa ka Lidare, ho kenyeletsoa likarolo tsa eona tsa mantlha, kamoo e sebetsang teng, e sebetsa, lits'ebeletso tsa eona le lisebelisoa tse teng.
Likarolo tsa motheo tsa Lidar
Litsamaiso tse thehiloeng ka tlase li sebelisa li-lasers tse nang le li-wavels tse pakeng tsa 500-600 NM, ha litsamaiso tse telele tsa moea, li fihla ho 1000-1600 nm. Sethala se tloaelehileng sa sefofane se kenyelletsa sekareletsi sa laser, yuniti ea ho lekanya (yuniti ea ho senya (yuniti ea ho laola (yuniti ea ho senya, le ho rekota. E boetse e kenyelletsa sistimi ea sebaka sa ho beha lefatše e fapaneng le ea likarolo tsa maemo (imbu), hangata e kopantsoe tsamaisong e le 'ngoe e tsejoang e le boemo le sistimi e tšoanang. Sistimi ena e fana ka sebaka sena se nepahetseng (bolelele, bophahamo le bophahamo) le boits'oaro).
Mekhoa e eo ea Laser ea laser e ka fapana ka eona, ho kenyeletsa le li-zigzag, e tšoanang, kapa litsela tse tšoanang. Motsoako oa DGPS le data ea IMU, hammoho le data ea Calibration le paramente e ntseng e eketseha, e lumella sistimi ho sebetsa ka nepo lintlha tsa laser li ne li sebetsa ka nepo. Lintlha tsena li fuoa limpho (X, Y, Z, Z) Sistiming ea mantlha e sebelisa sistimi ea lefatše ea 1984 (WGS84) DATUM.
Kamoo Lidar KatengHo khothatsa ho Bahateng holeEa sebetsa? Hlalosa ka tsela e bonolo
Sisteme ea Lindar e kopanya phofu ea laser ea soughses e lebanang le ntho e reriloeng kapa e ntle.
Li-pulses tsa laser li bonts'a sepheo ebe li khutlela ho sensor ea lidare.
Sensor e lekanya nako eo ho e batlang bakeng sa pula e 'ngoe le e' ngoe ea ho ea sepheo le mokokotlong.
Ho sebelisa lebelo la khanya le nako ea ho eta, sebaka sa ho fihla ho sona se baloa.
E kopantsoe le data le ea maiketsetso e tsoang ho GPS le li-consor tse nepahetseng tsa li-3D tsa lipontšo tsa laser li ikemiselitse.
Sena se fella ka leru la ntlha ea 3D ntlha ea 3D e emelang sebaka se sentsoeng kapa ntho.
Molao-motheo oa 'mele oa bandare
Litsamaiso tsa Lindar Sebelisa Mefuta e Mebeli ea Lasers: O theotse le leqhubu le ntseng le tsoela pele. Ho hula mekhoa e meketso ea Lindar e sebetsa ka ho romella lepheo le khuts'oane ebe o lekanya nako eo ho hlokahalang hore motho a tsamaee mohlaleng le ho khutlela ho ea amohelang. Tekanyo ena ea nako ea ho tsamaea e pota-potileng e thusa ho supa hore o tla ba le sepheo sa sepheo. Mohlala o bonts'oa setšoantšong moo ho kopang bosholu ba lebone la lebone (ka) le lets'oao le letsitsoeng (ar) le bonts'itsoeng. Tekanyetso ea mantlha tsamaisong ena e kenyelletsa lebelo la khanya (c) le sebaka ho ea ho bala sebaka seo ho se hlokang hore leseli le khutle.
Ho khutla ka mokhoa o hlakileng le ho leka-tsitsipano ka botlalo sebelisa lindare tsa moea.
Sistimi e tloaelehileng ea moea ea moea.
Ts'ebetso ea tekanyo ea Lidare, e nkang mochini o mokhethoa le litšobotsi tsa sepheo, li akaretsa ke equation e tloaelehileng ea lidar. Equation ena e ikamahanya le equation ea radar mme e bohlokoa ho utloisisa hore na litsamaiso tsa Lindar li hakanya libaka tsa li-edar. E hlalosa kamano pakeng tsa matla a lets'oao le fetisitsoeng (pt) le matla a lets'oao le fumanoeng (pr). Ha e le hantle, equation e thusa ho tseba hore na leseli le fetisitsoeng le fetiloe chelete e kae ka mor'a ho bona sepheo, e leng limmapa tse nepahetseng. Kamano ena e nka lintlha tse kang ho saena ha matšoao ka lebaka la sebaka le ho sebelisana 'moho le eona.
Likopo tsa Lidar li khothatsa
Ho na le li-idar tse phahameng haholo tse nang le lits'ebetso tse ngata ho feta masimong a fapaneng:
Terrarain le 'mapa oa topographic bakeng sa ho theha mefuta ea ho etsa liqeto tse phahameng tsa li-vital tse phahameng.
Meru le 'mapa oa limela le oa limela ho ithuta sebopeho sa metsi le biomass.
Ho na le 'mapa oa mabopo a lebopong la leoatle bakeng sa ho lekola khoholeho le liphetoho tsa leoatle.
Remarekeng ea litoropong le ea lits'ebetso tsa lits'ebetso, ho kenyelletsa marang-rang a lipalangoang.
Bothata le lingoloa tsa moetlo tsa litaba tsa liketsahalo tsa nalane le lintho tsa khalemelo.
Gangological Geopeys le mekoloto ea meroho bakeng sa likarolo tsa libuka tsa poping le ts'ebetso ea ho lekola.
Autonomous Vesomosution ea koloi le ho sibolla litšitiso.
Ho Batla Tlhaselo ", joalo ka ho ba le mapetso ka holimolimo.
U hloka ho na le tumello ea mahala?
Lisebelisoa tsa Lidar:
Lenane le sa phethahalang la mehloli ea lintlha tsa Lidar le fanoang le software ea mahala e fanoa mehloli ea data ea data.
1.Bula le Dopographyhttp://www.opentopography.org
2.Ugs e lefatšeng Explorerhttp://earthexplorer.usgs.gov
3.Sekhechana sa United States Inerationhttps://tseast.Noaaa.gov/ e ikhethang /
4.Tsamaiso ea Season ea Season le Atmosphir (NOAA)Digital Coasthttp: //www.Cost.NoAa.gov/dataviewer/#
5.Wikipedia lindarhttps://en.wikipedia.org/wiki/liki_lidar_dataset_dated_States)
6.Lidar Onlinehttp://www.lidar-online.com
7.Khokahano ea naha ea tikoloho ea naha ea tikolohohttp://www.neensience.org/data-reata/airborne-data/airborne-data/airborne-data/airborne-data/airborne-data/airborne-data/airborne-data
8.Lintlha tsa Lindar bakeng sa Spain leboeahttp://b5m.gipuzkoa.net/rll5000/en/g_22485/cublida=hazlidar
9.Lintlha tsa Lindar bakeng sa United Kingdomhttp://catalogueus.cetalogue.ak.uk/ lenane /?
Software ea mahala ea Lindar:
1.E hloka Envi. http://bcal.geology.usu.edu.eduols.shtml
2.FUGROVINDINDINDINDIN(Bakeng sa lidar le tse ling tsa ratere / Vector.)
3.Fusion / LDV(Li-sulsar ea data, ho sokoloha, le ho sekaseka
4.Lisebelisoa tsa Las(Khoutu le software ea ho bala le ho ngola las fi le Les: hp
5.LaStity(Seteishene sa Gui bakeng sa tlhaselo le phetoho ea las fis) http://home.iitk.it /
6.Liblas(C / C / C
7.MCC-Lidar(Boholo ba Clarvature Classi 30 bakeng sa Lidar)
8.Free Freeview(3D ponollo ea data ea li-lidar) http://www.mer
9.Sekaseka se ngotsoeng ka botlalo.
10.Point Cru Cru Crip (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.'Mali kapele oa sebaka(Ponahalo ea maru a Ludar
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Nako ea ho romella: Apr-16-2024