Kwicandelo lobuchwepheshe banamhlanje bokulinganisa, izixhobo zokulinganisa i-laser kunye nezixhobo ze-GPS zezona zixhobo zimbini ezisetyenziswa kakhulu. Nokuba kukwiindlela zangaphandle, iiprojekthi zokwakha, okanye igalufa, ukulinganisa umgama ngokuchanekileyo kubalulekile. Nangona kunjalo, abasebenzisi abaninzi bajongene nengxaki xa bekhetha phakathi kwesixhobo sokulinganisa i-laser kunye nesixhobo se-GPS: yeyiphi efanelekileyo kwiimfuno zam? Eli nqaku liza kuthelekisa zombini ngokwembono yokuchaneka, iimeko ezifanelekileyo, ukuguquguquka kwendalo, nokunye, ukukunceda wenze isigqibo esinolwazi.
1. Imigaqo Ephambili: Umahluko Obalulekileyo Phakathi KweeTekhnoloji Ezimbini
I-laser rangefinder imisela umgama ngokukhupha i-laser pulse kwaye ibale ixesha elithathayo ukuze ukukhanya kubuye emva kokubonakalisa ngaphandle kwethagethi. Ukuchaneka kwayo kunokufikelela kwinqanaba le-millimeter kwaye ifanelekile kwiimilinganiselo ezikhawulezayo nezichanekileyo ngaphakathi komgama omfutshane (ngesiqhelo i-100-1500 yeemitha), kuxhomekeke kumgca wokubona ongaphazanyiswanga.
Kwelinye icala, i-GPS ibala ii-coordinates zendawo ngokufumana imiqondiso yesathelayithi ize ifumane idatha yomgama ngokusekelwe kutshintsho lwezi coordinates. Inzuzo yayo kukuba ayifuni umgca othe ngqo wokubona kwindawo ekujoliswe kuyo kwaye inokugubungela umgama wehlabathi. Nangona kunjalo, ichaphazeleka kakhulu ngamandla esignali, iimeko zemozulu, kunye nemiqobo efana nezakhiwo.
2. Uthelekiso lweNtsebenzo oluPhambili
① Ukuchaneka komlinganiselo
Izixhobo zokufumana umgama nge-laser, phantsi kweemeko ezifanelekileyo (akukho kuphazamiseka kokukhanya okunamandla, ukubonakaliswa okuhle kwethagethi), zinokufikelela ekuchanekeni okususela kwi-±1 mm ukuya kwi-±1 cm, nto leyo eyenza ukuba zibe lolona khetho lukhethwayo kwiindawo ezikhethekileyo ezifana nophando lokwakha kunye noyilo lwangaphakathi. Ngokwahlukileyo koko, ukuchaneka kwezixhobo ze-GPS ezikumgangatho wabathengi kudla ngokuba phakathi kwe-1 ukuya kwi-5 metres, kwaye kunokuchaphazeleka kakhulu kukusasazwa kwesathelayithi kunye nokulibaziseka kwesignali. Nokuba kukho ubuchwepheshe be-GPS (DGPS) obahlukileyo, ukuchaneka akunakwenzeka ukuba kuphule umqobo wenqanaba lemitha. Ke ngoko, ukuba ufuna ukuchaneka okuphezulu, i-laser rangefinder yeyona khetho ilungileyo.
② Ukuguquguquka kweNdalo
Izixhobo zokufumana umgama nge-laser zifuna indlela engaphazanyiswanga ukuya kwindawo ekujoliswe kuyo, kwaye ukusebenza kwazo kunokwehla kwiimeko ezifana nemvula, ikhephu, inkungu, okanye ukukhanya okukhanyayo okunokwenza buthathaka ukukhanya kwe-laser. Izixhobo ze-GPS zisebenza kakuhle kwiindawo ezivulekileyo, kodwa zinokulahlekelwa sisignali kwiintlambo zasezidolophini, kwiitonela, okanye kumahlathi axineneyo. Ngenxa yoko, kwiindawo ezintsonkothileyo okanye kwiimeko ezikude, i-GPS inika ukuguquguquka okungakumbi.
③ Ukusebenza kunye nokwandiswa
Izixhobo zokulinganisa umgama nge-laser zigxile ekulinganiseni umgama, ukuphakama, kunye nee-engile, ezinye iimodeli eziphezulu zibonelela ngeempawu ezifana nokubala indawo/umthamo kunye nokudluliselwa kwedatha yeBluetooth. Ngokwahlukileyo koko, izixhobo zeGPS zibonelela ngemisebenzi eyongezelelweyo efana nokucwangciswa kwendlela yokuhamba, ukulinganisa ukuphakama, kunye nokulandelela iindlela zokuhamba, okwenza zifaneleke kwiindawo zangaphandle okanye ukuhamba ngemoto. Ke ngoko, kwiimeko ezineemfuno ezininzi, iGPS ibonelela ngexabiso elibanzi ngakumbi.
3. Iimeko ezicetyiswayo zesicelo
| Imeko | Isixhobo Esicetyiswayo | Ukuqiqa |
| Uphando lweNdawo yoKwakha | I-Laser Rangefinder | Ukuchaneka okuphezulu kunye nokulinganisa ngokukhawuleza ubude bodonga okanye ukuphakama komgangatho, akukho kuxhomekeka kwimiqondiso yesathelayithi. |
| Ikhosi yagalufa | I-Laser Rangefinder + i-GPS | I-laser rangefinder ifumana ngokuchanekileyo umgama weflegi, ngelixa i-GPS ibonelela ngeemaphu zendlela epheleleyo kunye nolwazi lwemiqobo (umz., imigibe yesanti, iingozi zamanzi). |
| Ukuhamba ngeenyawo/Uhambo olude ngaphandle | Isixhobo seGPS | Ukubeka indawo ngexesha langempela, ukulandelela indlela, kunye neempawu zokuhamba ukubuya ziqinisekisa ukhuseleko kwaye zithintela ukulahleka. |
| Uphando Lomhlaba Wezolimo | I-RTK GPS | Ixhasa ukulinganiswa kwendawo enkulu yamafama kunye nokuphawula umda, isebenza ngcono kunezixhobo zelaser. |
4. Ungakhetha njani?
Isigqibo sixhomekeke kakhulu kwiimpendulo zale mibuzo mithathu ilandelayo:
① Ngaba ufuna ukuchaneka kwinqanaba le-millimeter?
Ukuba kunjalo, khetha isixhobo sokubona umgama nge-laser.
② Ingaba umgama wakho wokulinganisa ungaphezulu kwe-1 km?
Ukuba kunjalo, khetha i-GPS okanye indibaniselwano ye-GPS kunye ne-laser rangefinder.
③ Ngaba uyisebenzisa kwiindawo ezintsonkothileyo?
Ukuba kunjalo, i-GPS inokuthenjwa ngakumbi, kodwa qiniseka ukuba isignali ihlala izinzile.
Ngenxa yokuqhubela phambili kwetekhnoloji, iinkqubo ezixutyiweyo ezidibanisa iLiDAR (Laser Detection and Ranging) kunye neGPS ziqalile ukusetyenziswa kwiindawo ezifana nokuqhuba ngokuzimela kunye nemephu yejografi. Ezi zixhobo zinokufumana ii-coordinates zehlabathi ngeGPS ngelixa zisebenzisa i-laser scanning ukuvelisa iimodeli ze-3D ezichanekileyo kakhulu, zifezekisa iingenelo ezimbini "zokubeka i-macroscopic + ukulinganisa i-microscopic." Kubasebenzisi ngokubanzi, ukukhetha izixhobo ezikrelekrele ezixhasa intsebenziswano yeendlela ezininzi kunokuba lolona khetho lubalaseleyo kwixesha elizayo.
Akukho nto ingcono phakathi kwezixhobo ze-laser rangefinders kunye nezixhobo ze-GPS. Isitshixo kukuhambelana neemfuno zakho eziphambili. Ukuba ufuna ukulinganisa umgama omfutshane ngokuchanekileyo nangokufanelekileyo, i-laser rangefinder yeyona nto uyithandayo. Kwindlela yokuhamba umgama omde okanye ukubeka indawo enzima, izixhobo ze-GPS zifanelekile ngakumbi. Kubasebenzisi abaziingcali, isisombululo esixutyiweyo esidibanisa iingenelo zazo zombini sinokuba sisisombululo esiphezulu.
Ixesha lokuthumela: Matshi-20-2025