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Nyorera kune yedu Social Media for Prompt Post
Airborne lidar sensorsTinogona kutora mapoinzi chaiwo kubva pane laser pulse, anozivikanwa se discrete zviyero, kana rekodha chiratidzo chakakwana painenge chadzoka, inonzi waveform, iyo inovhara ins (iyo inovhara anenge 15 cm). Yakazara-waveform Lidar inonyanya kushandiswa mumasango, nepo discrete kudzoka lidar ine zvibodzwa zvakawandisa paminda dzakasiyana siyana. Ichi chinyorwa chinonyanya kutaura ne discrete dzoka lidar uye kushandiswa kwayo. Muchitsauko chino, isu tinofukidza misoro mikuru inoverengeka nezveLidar, kusanganisira zvikamu zvaro zvakakosha, zvinoshanda sei, masisitimu ayo, masisitimu, uye zviwanikwa zviripo.
Zvikamu zvakakosha zveLidar
Ground-based Lidar masisitimu anowanzo shandisa lasers ne wavelengths pakati pe500-600 nm, nepo airborne lidar masisitimu anoshandisa menduru, kubva pa000-1600 nm. A Standard Airborne Lidar Setup inosanganisira laser scanner, chikamu chekuyera chinhambwe (chinodurura unit), uye masisitimu ekutonga, nekunyora. Inosanganisirawo kusiyanisa nyika yepasi rose mamiriro (DGPS) uye inertial kuyerwa kweyuniti (IMU), kazhinji inosanganiswa mune imwe system inozivikanwa seyakazivikanwa seyakaizivikanwa senzvimbo uye nzira yekumabvazuva. Iyi system inopa nzvimbo chaiyo (kureba, latitude, uye kukwirira) uye kutaridzika (roll, gomba, uye musoro) data.
Iwo mapatani umo laser scans nzvimbo yacho inogona kusiyana, kusanganisira zigzag, yakafanana, kana ma elliptical nzira. Iko kusanganiswa kweDGPS uye IMU data, pamwe ne data rekusagadzikana uye rinokwenenzvera parameter, inobvumira iyo system kuti ive nenzira chaiyo maitiro akaunganidzwa laser mapoinzi. Pfungwa idzi dzinobva dzagoverwa marongero (x, y, z) mune geographic kurongeka system uchishandisa iyo nyika geodetic system ye1984 (WGS84) DATUM.
LidarRemote kunzwaInoshanda? Tsanangura nenzira yakapusa
Iyo Lidar System inoburitsa Rapid laser Purses akananga kune chinhu chinangwa kana pamusoro.
Iyo laser purses inoratidza iyo chinangwa uye udzokere kune lidar sensor.
Iyo sensor chaiyo inoyera iyo nguva inotora kune imwe neimwe pulse kuti uende kune chinangwa uye kumashure.
Uchishandisa kumhanya kwechiedza uye nguva yekufamba, chinhambwe kuenda kune chinangwa chakaverengerwa.
Yakasanganiswa nechinzvimbo uye yedhara data kubva kuGPS uye Imu Sensors, iyo chaiyo 3D inoronga yeiyo Laser Refersions yakatemwa.
Izvi zvinoguma zvaitika mune Dense 3D gore rekumiririra rinomiririra iyo yakagadziriswa nzvimbo kana chinhu.
Nheyo yepanyama yeLidar
Lidar masisitimu anoshandisa marudzi maviri e lasers: anodhonza uye anoenderera mberi wave. Purched Lidar Systems anoshanda nekutumira kunze kwechidimbu mwenje uye wozoyera nguva yainotora kune iyi pulse kuti uende kune chinangwa uye udzokere kune anogamuchira. Ichi chiyero chenguva yekutenderera-nguva chinobatsira kuti uone chinhambwe kune chinangwa. Muenzaniso unoratidzwa mudhirowa umo maAmplitude evaviri akaiswa mwenje chiratidzo (na) uye iyo yakagamuchirwa chiratidzo (ar) zvinoratidzwa. Iyo yekutanga equation inoshandiswa mune ino system inosanganisira kumhanya kwechiedza (c) uye chinhambwe kuenda kune chinangwa (r), kubvumira iyo system yekuverenga iyo inguva yakareba kuti chiedza chichitora.
Discrete kudzoka uye yakazara-masalform kuyera uchishandisa airborne lidar.
Akajairika airborne lidar system.
Iyo yekuyera maitiro muLidar, iyo inofunga nezvose zviri zviviri kuongorora uye hunhu hwechinangwa, chinopfupikiswa neyakajairwa lidation equation. Iyi equation inochinjirwa kubva kuRadar equation uye yakakosha pakunzwisisa kuti vatyairi vematareji vanoverenga marekodhi. Inotsanangura hukama huripo pakati pesimba remasangano rinopindurwa (PT) uye simba reiyo yakagamuchirwa chiratidzo (pr). Chaizvoizvo, equation inobatsira kuti iite kuti mwenje wakadzoserwa sei uchienda kune unogamuchira mushure mekuratidzira chinangwa, icho chakakosha kusarudza madaro uye kugadzira mamepu echokwadi. Ukama uhwu hunoda kuita zvezvakaita senge chiratidzo chechiratidzo nekuda kwekunhuhwirira uye kuwirirana neyechinangwa.
Zvikumbiro zveLidar Remote Sensing
Lidar kure kure nekunzwa kune zvakawanda zvikumbiro muminda dzakasiyana-siyana:
terrain uye topographic mepu yekugadzira yakakwira-resolution digital comment mhando (des).
Masango uye zvinomera zvinobuda kuti udzidze muti Canopy chimiro uye biomass.
Mahombekombe egungwa uye mahombekombe ekutarisa kuongororwa uye kwegungwa-nhanho shanduko.
kuronga kwemadhorobha uye kuenzanisa kwemasimba, kusanganisira zvivakwa uye zvifambiso network.
Archaeology uye tsika dzezvetsika dzemhosva dzezvakaitika kare kwenhoroondo uye madhiri.
Kuongororwa kwemugodhi uye kuongororwa kwemakungwa emepu pamusoro uye kuongorora mashandiro.
Kuzvimiririra kwemotokari yekufamba uye kuisirwa.
Planetary kuongorora, kwakadai sekukwira pamusoro peMars.
Unoda Kutenda Kwese?
Lidar Zviwanikwa:
Chinyorwa chisina kukwana cheLidar data masosi uye yemahara software inopihwa below.lidar data zvinyorwa:
1.Vhura Topographyhttp://www.eptopography.org
2.USGS Earth Explorerhttp://earthexpler.usgs.gov
3.United States Interagengen Elwing Inventoryhttps://coast.noaa.gov/ inventory /
4.National Oceanic uye Atmospheric Administration (NOAA)Digital Courtttps: //wwwwwwwww.com
5.Wikipedia lidarhttps://en.wikipedia.org/wiki/national_lidar_dataset_ :(Munited_states)
6.Lidar Onlinehttp://www.lidari-online.com
7.National Econlogical Ongorora Network-Neonhttp://www.neonscience.org/data-rosurces/get-data/Airborne-Data
8.Lidar data yeNorth Spainhttp://b5m.gipuzkoa.net/url5000/en/g_2245/publi&cononsultta=hazlidar
9.Lidar data yeUnited Kingdomhttp://cataloue.Cacea.ac.uk/ rondedzero /?
Yemahara Lidar Software:
1.Zvinoda iv. http://biti.geology.isu.edu/ Envitool.shtml
2.Fugroviewer(for Lidar uye imwe raster / vector data) http://www.fugroviers.com/
3.Fusion / LLDV.
4.Las zvishandiso(Code uye software yekuverenga uye kunyora las fi les) http: // specs.uncu/ ~Isenburg/lastools/
5.Layutility(Seti yeGui Zvinoshandiswa pakuonekwa uye kushandurwa kweLas Fi Les) http://home.iitk.ac.in whit -:
6.Libhlas(C / c + c'in raibhurari yekuverenga / kunyora LAS Fomu)
7.MCC-Lidar.
8.Mars freeview(3D
9.Ongorora kuzere.
10.Pfungwa Cloud Mashiripiti (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.Kukurumidza kuparara muverengi(Visualization yeLid Wop People Clouds)
Kubvuma
- Ichi chinyorwa chinosanganisira kutsvagurudza kubva ku "Lidar kure nekunzwa uye mashandisirwo" naVinícius Guimaraes, 2020. Chinyorwa chizere chinowanikwaPano.
- Rondedzero iyi yakazara uye yakadzama yeLidar data masisitimu uye software yemahara inopa yakakosha chishandiso kune nyanzvi uye vaongorori vari mumunda wekunzwa uye kuongorora kwenzvimbo.
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Kutumira Nguva: Kubvumbi-16-2024