Yintoni i-microwave radar yemoto
I-radar ye-microwave yezithuthi yinkqubo ye-radar esebenzisa ii-microwave ukuze zibonwe, ikakhulu ezisetyenziswa kwiimoto nakwezinye iimoto ezisemhlabeni. I-radar ye-microwave ibona izinto ezikwindawo engqongileyo ngokuthumela nokufumana imiqondiso ye-microwave, ukuze kufezekiswe imisebenzi eyahlukeneyo, efana nokubona izithintelo, isilumkiso sokungqubana, ulawulo lokuhamba ngenqanawa oluhambelanayo, njl.
Umgaqo wokusebenza
I-radar ye-microwave yezithuthi isebenza ngendlela efanayo ne-radar eqhelekileyo, oko kukuthi, ithumela amaza angenazingcingo (i-microwave) ize ifumane i-echo ngokomahluko wexesha phakathi kokwamkela nokufumana, ukuze ilinganise idatha yendawo ekujoliswe kuyo. Ngokukodwa, ii-radar ze-microwave zikhupha imiqondiso ye-microwave ebuyela umva xa zidibana nemiqobo, kwaye i-radar ibala umgama ngokulinganisa ixesha lokujikeleza lemiqondiso. Ukongeza, i-radar ye-microwave inokubona isantya kunye nesikhokelo sento ngokuhlalutya iimpawu zesignali ebonakalisiweyo, njengesiphumo seDoppler .
Imeko yesicelo
I-radar ye-microwave yezithuthi ineendlela ezahlukeneyo zokusetyenziswa kwiimoto:
Isilumkiso sokungqubana: ngokubona imiqobo engaphambili, isilumkiso kwangethuba, nceda umqhubi ukuba athathe amanyathelo okuphepha ukungqubana.
Ulawulo lokuhamba ngenqanawa oluhambelanayo: Lulungisa ngokuzenzekelayo isantya solawulo lokuhamba ngenqanawa ngokwendawo ejikelezileyo yesithuthi, lugcina umgama okhuselekileyo ukusuka kwisithuthi esingaphambili.
Ukufunyanwa kwabahambi ngeenyawo: Kwinkqubo yokuqhuba ngokuzenzekelayo, i-microwave radar inokubonwa ngabahambi ngeenyawo kunye neminye imiqobo ukuqinisekisa ukhuseleko lokuqhuba.
Ukupaka ngokuzenzekelayo: Nceda imoto ifumane ngokuzenzekelayo indawo yokupaka efanelekileyo kwindawo yokupaka kwaye igqibezele umsebenzi wokupaka.
Iiparameter zobugcisa kunye neempawu zokusebenza
Iiradar ze-microwave zeemoto zihlala zisebenza kwiibhendi zamaza e-millimeter, njenge-24GHz, ezineefrikhwensi eziphezulu kunye namaza amafutshane. Oku kwenza i-microwave radar ibe ne-directivity ephezulu kunye nesisombululo, kwaye inokuzibona ngokuchanekileyo iithagethi ezikufutshane. Ukongeza, i-microwave radar ayichaphazeleki kukubonakala kwaye inokusebenza ngokuqhelekileyo kwiimeko zemozulu ezimbi. Nangona kunjalo, ixabiso le-microwave radar liphezulu, kwaye amandla okubona izinto ezincinci akulunganga njenge-lidar .
Imisebenzi ephambili yeradar ye-microwave yeemoto ibandakanya ezi zinto zilandelayo:
Isilumkiso Sokungqubana kunye ne-Automatic Emergency Braking (AEB): Iirada ze-microwave zibona imiqobo ngaphambili kwaye ukuba kuyimfuneko ziqalise inkqubo yokugquma engxamisekileyo ezenzekelayo ukuthintela ukungqubana.
Ukufunyanwa kwabahambi ngeenyawo: Nge-radar ye-microwave, iimoto zinokubona kwaye zibone abahambi ngeenyawo, ngaloo ndlela ziphucula ukhuseleko lokuqhuba.
Isilumkiso sokuhamba kwendlela engaboniyo: I-radar ye-microwave inokujonga indawo engaboniyo yesithuthi ukuthintela ukungqubana nezinye izithuthi xa zitshintsha iindlela, kwaye inokujonga ukuhamba kwendlela kwaye ilumkise abaqhubi.
Ulawulo lokuhamba ngenqanawa oluhambelanayo (i-ACC): Iradar ye-microwave inokunceda izithuthi zigcine umgama okhuselekileyo ukusuka kwisithuthi phambi kolawulo lokuhamba ngenqanawa oluhambelanayo.
Isilumkiso seTrafikhi yangasemva (RCTA): iradar ye-microwave inokujonga ithrafikhi engasemva kwesithuthi, ikhumbuze umqhubi ukuba anikele ingqalelo kwimoto ezayo, ukuze aphephe ukungqubana okungasemva.
Umgaqo osebenzayo we-microwave radar kukulinganisa indawo yethagethi ngokuthumela amaza angenazingcingo (amaza e-radar) kunye nokufumana i-echo ngokwexesha eliphakathi kokuthumela kunye nokufumana. Ubuninzi be-millimeter wave radar bukwi-millimeter wave band, ngoko ke ibizwa ngokuba yi-millimeter wave radar .
Ukusetyenziswa kweebhendi ezahlukeneyo ze-frequency ye-microwave radar kwiimoto kubandakanya iibhendi ezimbini ze-24GHz kunye ne-77GHz. Iiradar ze-24GHz zisetyenziselwa kakhulu ukubhaqwa komgama omfutshane, ngelixa iiradar ze-77GHz zinesisombululo esiphezulu kunye nobukhulu obuncinci, ezifanelekileyo ukubhaqwa komgama omde.
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