Amamojula okulinganisa ibanga le-laser angamathuluzi anemba okuphezulu asetshenziswa kabanzi emikhakheni efana nokushayela ngokuzenzakalelayo, ama-drones, i-automation yezimboni, namarobhothi. Umgomo wokusebenza walawa mamojuli ngokuvamile uhilela ukukhipha i-laser beam nokulinganisa ibanga phakathi kwento nenzwa ngokuthola ukukhanya okubonisiwe. Phakathi kwamapharamitha ahlukahlukene okusebenza amamojula okulinganisa ibanga le-laser, ukwehlukana kwe-beam kuyisici esibalulekile esithinta ngokuqondile ukunemba kokulinganisa, ububanzi bokulinganisa, kanye nokukhethwa kwezimo zohlelo lokusebenza.
1. Umqondo oyisisekelo wokuhlukana kwe-Beam
Ukwehlukana kwe-beam kubhekisela engeli lapho i-laser beam ekhuphuka khona ngosayizi wezigaba ezihlukene njengoba ihamba ibanga elide ukusuka ku-emitter ye-laser. Ngamagama alula, ukuhlukana okuncane kwe-beam, i-laser beam egxile kakhulu ihlala ngesikhathi sokusakazeka; ngokuphambene, ukuhlukana okukhulu kwe-beam, i-beam isakazeka ngokubanzi. Ekusetshenzisweni okungokoqobo, ukwehlukana kwe-beam kuvame ukuvezwa ngama-engeli (amadigri noma ama-milliradians).
Ukuhlukana kwe-laser beam kunquma ukuthi isakazeka kangakanani ebangeni elithile, okuphinde kuthinte usayizi wendawo entweni eqondiwe. Uma ukuhlukana kukukhulu kakhulu, i-beam izovala indawo enkulu emabangeni amade, okunganciphisa ukunemba kokulinganisa. Ngakolunye uhlangothi, uma ukuhlukana kukuncane kakhulu, i-beam ingase igxile kakhulu emabangeni amade, okwenza kube nzima ukubonisa kahle noma ngisho nokuvimbela ukwamukela isignali ebonisiwe. Ngakho-ke, ukukhetha ukwehlukana kwemishayo efanele kubalulekile ekunembeni nasekusetshenzisweni kwebanga lemojuli yokulinganisa ibanga le-laser.
2. Umthelela Wokwehluka Kwe-Beam Ekusebenzeni Kwemojula Yebanga Le-Laser
Ukuhlukana kwe-Beam kuthinta ngokuqondile ukunemba kokulinganisa kwemojuli yebanga le-laser. Ukwehlukana okukhulu kwe-beam kubangela usayizi wendawo omkhulu, ongaholela ekukhanyeni okuhlakazekile okuhlakazekile nezilinganiso ezinganembile. Ebangeni elide, usayizi wendawo omkhulu ungenza ukukhanya okubonisiwe kube buthaka, kuthinte ikhwalithi yesiginali etholwe inzwa, ngaleyo ndlela andise amaphutha okulinganisa. Ngokuphambene, ukwehluka kwe-beam encane kugcina i-laser beam igxile kumabanga amade, okuholela kusayizi wamabala omncane kanjalo nokunemba okuphezulu kokulinganisa. Kuzinhlelo zokusebenza ezidinga ukunemba okuphezulu, njengokuskena nge-laser nokwenza kwasendaweni okunembayo, ukuhluka okuncane kwe-beam ngokuvamile kuyinketho ekhethwayo.
Ukwehlukana kwe-beam nakho kuhlobene eduze nebanga lokulinganisa. Kumamojula webanga le-laser anokwehlukana okukhulu kwemishayo, i-laser beam izosabalala ngokushesha kumabanga amade, yenze buthaka isignali ebonisiwe futhi ekugcineni ikhawulele ububanzi bokulinganisa obusebenzayo. Ukwengeza, usayizi wendawo omkhulu ungabangela ukukhanya okubonisiwe ukuthi kuvele ezindaweni eziningi, okwenza kube nzima ngenzwa ukuthi yamukele ngokunembile isignali evela kumpokophelo, okuphinde kuthinte imiphumela yokulinganisa.
Ngakolunye uhlangothi, ukwehlukana kwemishayo emincane kusiza i-laser beam ukuthi ihlale igxilile, iqinisekisa ukuthi ukukhanya okubonisiwe kuhlala kuqinile futhi ngaleyo ndlela kunwebe ububanzi bokulinganisa obusebenzayo. Ngakho-ke, lapho kuncane ukwehlukana kwebhilidi yemojuli yokulinganisa ibanga le-laser, kulapho ububanzi bokulinganisa obusebenzayo buvame ukwanda.
Ukukhethwa kokuhlukana kwe-beam nakho kuhlobene eduze nesimo sohlelo lokusebenza semojula yokulinganisa ibanga le-laser. Ezimweni ezidinga izilinganiso zebanga elide nezinembayo eziphezulu (njengokutholwa kwesithiyo ekushayeleni ngokuzenzakalelayo, i-LiDAR), imojula enokwehluka kwe-beam encane ngokuvamile ikhethwa ukuze kuqinisekiswe izilinganiso ezinembile emabangeni amade.
Ezilinganisweni zebanga elifushane, ukuskena, noma ezinye izinhlelo ezishintshayo zezimboni, imojula enokwehlukana okukhulu kwe-beam ingase ikhethwe ukuze kwandiswe indawo embozwayo futhi kuthuthukiswe ukusebenza kahle kokulinganisa.
Ukwehlukana kwe-Beam nakho kuthonywa izimo zemvelo. Ezimweni eziyinkimbinkimbi ezinezici ezikhanyayo eziqinile (ezifana nemigqa yokukhiqiza yezimboni noma ukuskena kwesakhiwo), ukusabalala kwe-laser beam kungase kuthinte ukubonakaliswa nokwamukela ukukhanya. Ezimweni ezinjalo, ukuhlukana okukhulu kwe-beam kungasiza ngokumboza indawo enkulu, ukwandisa amandla esignali eyamukelwe, nokunciphisa ukuphazamiseka kwemvelo. Ngakolunye uhlangothi, ezindaweni ezicacile, ezingenakuvinjelwa, ukuhlukana okuncane kwe-beam kungasiza ukugxilisa ukulinganisa kulokho okuhlosiwe, ngaleyo ndlela kunciphise amaphutha.
3. Ukukhethwa Nokuklanywa Kwe-Beam Divergence
Ukuhlukana kwe-beam yemojuli yokulinganisa ibanga le-laser ngokuvamile kunqunywa idizayini ye-laser emitter. Izimo ezihlukene zohlelo lokusebenza kanye nezidingo ziholela ekuhlukeni komklamo wokuhluka kwe-beam. Ngezansi kunezimo zohlelo lokusebenza ezimbalwa ezijwayelekile kanye nokukhetha kwazo okuhlotshaniswa nokwehlukana kwemishayo:
- Ukunemba Okuphezulu kanye Nokulinganisa Kwebanga Elide:
Kuzinhlelo zokusebenza ezidinga kokubili ukunemba okuphezulu namabanga amade okulinganisa (njengezilinganiso ezinembile, i-LiDAR, nokushayela ngokuzenzakalelayo), ukwehluka kwepulangwe encane ngokuvamile kuyakhethwa. Lokhu kuqinisekisa ukuthi i-laser beam igcina usayizi wendawo omncane emabangeni amade, okuthuthukisa kokubili ukunemba kokulinganisa kanye nobubanzi. Isibonelo, ekushayeleni ngokuzenzakalelayo, ukuhluka kwe-beam yezinhlelo ze-LiDAR ngokuvamile kugcinwa ngaphansi kuka-1° ukuze kutholwe ngokunembile izithiyo ezikude.
- Ukufakwa Okukhulu Okunezimfuneko Zokunemba Okuphansi:
Ezimeni lapho kudingeka khona indawo enkulu yokumbozwa, kodwa ukunemba akubalulekile kangako (njengokwenziwa kwasendaweni kwerobhothi nokuskena kwemvelo), ukuhluka okukhudlwana kwe-beam ngokuvamile kuyakhethwa. Lokhu kuvumela i-laser beam ukuthi ihlanganise indawo ebanzi, ithuthukise amandla enzwa wedivayisi, futhi iyenze ifanelekele ukuskena okusheshayo noma ukutholwa kwendawo enkulu.
- Isilinganiso sebanga elifushane lasendlini:
Ezilinganisweni zasendlini noma zebanga elifushane, ukuhlukana okukhulu kwe-beam kungasiza ukukhulisa ukumbozwa kwe-laser beam, kunciphise amaphutha okulinganisa ngenxa yama-engeli angabonakali kahle. Ezimweni ezinjalo, ukuhlukana okukhulu kwe-beam kungaqinisekisa imiphumela yokulinganisa ezinzile ngokwandisa usayizi wendawo.
4. Isiphetho
Ukwehlukana kwe-beam kungenye yezinto ezibalulekile ezithinta ukusebenza kwamamojula okulinganisa ibanga le-laser. Ithonya ngokuqondile ukunemba kokulinganisa, ububanzi bokulinganisa, nokukhethwa kwezimo zohlelo lokusebenza. Idizayini efanele yokuhlukana kwemishayo ingathuthukisa ukusebenza okuphelele kwemojuli yokulinganisa ibanga le-laser, iqinisekise ukuzinza nokusebenza kahle kwayo kuzo zonke izinhlelo zokusebenza ezihlukahlukene. Njengoba ubuchwepheshe bokulinganisa ibanga le-laser buqhubeka nokuguquguquka, ukwenza ngcono ukuhlukana kwemishayo kuzoba isici esibalulekile ekwandiseni ububanzi bohlelo lokusebenza namandla okulinganisa ala mamojula.
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Isikhathi sokuthumela: Nov-18-2024