Iyini i-radar ye-microwave yezimoto
I-radar ye-microwave yezimoto isistimu ye-radar esebenzisa ama-microwave ukuthola, ikakhulukazi asetshenziswa ezimotweni nakwezinye izimoto ezisemhlabeni. I-radar ye-microwave ithola izinto ezisendaweni ezungezile ngokuthumela nokwamukela izimpawu ze-microwave, ukuze kufezwe imisebenzi ehlukahlukene, njengokuthola izithiyo, isixwayiso sokushayisana, ukulawula ukuhamba ngesikebhe okuguquguqukayo, njll.
Isimiso sokusebenza
I-radar ye-microwave yezimoto isebenza ngendlela efanayo ne-radar evamile, okungukuthi, ithumela igagasi elingenantambo (i-microwave) bese ithola i-echo ngokuya ngomehluko wesikhathi phakathi kokwamukela nokwamukela, ukuze ilinganise idatha yendawo yethagethi. Ngokukhethekile, ama-radar e-microwave akhipha izimpawu ze-microwave ezibuyela emuva lapho ehlangabezana nezithiyo, futhi i-radar ibala ibanga ngokulinganisa isikhathi sokubuya kwezimpawu. Ngaphezu kwalokho, i-radar ye-microwave ingathola futhi isivinini kanye nesiqondiso sento ngokuhlaziya izici zesignali eboniswayo, njengomphumela we-Doppler .
Isimo sohlelo lokusebenza
I-radar ye-microwave yezimoto inezimo ezahlukahlukene zokusetshenziswa ezimotweni:
Isexwayiso sokushayisana: ngokuthola izithiyo ezingaphambili, isexwayiso kusenesikhathi, siza umshayeli ukuthi athathe izinyathelo zokugwema ukushayisana.
Ukulawula ukuhamba ngesikebhe okuguquguqukayo: Kulungisa ngokuzenzakalelayo ijubane lokulawula ukuhamba ngesikebhe ngokuya ngendawo ezungezile imoto, kugcina ibanga eliphephile ukusuka emotweni engaphambili.
Ukutholwa kwabahamba ngezinyawo: Kuhlelo lokushayela oluzenzakalelayo, i-radar ye-microwave ingathola abahamba ngezinyawo nezinye izithiyo ukuqinisekisa ukuphepha kokushayela.
Ukupaka okuzenzakalelayo: Siza imoto ukuthola ngokuzenzakalelayo indawo yokupaka efanele endaweni yokupaka bese uqedela umsebenzi wokupaka.
Amapharamitha obuchwepheshe kanye nezici zokusebenza
Ama-radar e-microwave ezimoto ngokuvamile asebenza ngama-millimeter wave band, njenge-24GHz, anemvamisa ephezulu kanye nama-wavelength amafushane. Lokhu kwenza i-microwave radar ibe nokuqondisa okuphezulu kanye nesisombululo, futhi ingakwazi ukubona ngokunembile ama-target aseduze. Ngaphezu kwalokho, i-microwave radar ayithinteki ukubonakala futhi ingasebenza ngokujwayelekile ezimweni zezulu ezimbi. Kodwa-ke, izindleko ze-microwave radar ziphakeme kakhulu, futhi ikhono lokuthola izinto ezincane alilihle njenge-lidar .
Imisebenzi eyinhloko ye-radar ye-microwave yezimoto ifaka phakathi izici ezilandelayo:
Isexwayiso Sokushayisana kanye Nokubhuleka Okuphuthumayo Okuzenzakalelayo (AEB): Ama-radar e-microwave athola izithiyo ngaphambili futhi uma kudingeka aqalise uhlelo lokubhuleka oluphuthumayo oluzenzakalelayo ukuze kuvinjelwe ukushayisana.
Ukutholwa kwabahamba ngezinyawo: Nge-radar ye-microwave, izimoto zingabona futhi zithole abahamba ngezinyawo, ngaleyo ndlela zithuthukise ukuphepha kokushayela.
Isexwayiso Sokuqapha Indawo Engaboni kanye Nokuhamba Komzila: I-radar ye-microwave ingaqapha indawo yendawo engaboni yemoto ukuvimbela ukungqubuzana nezinye izimoto lapho kushintsha imizila, futhi ingaqapha ukuhamba komzila futhi yazise abashayeli ngalokhu.
Ukulawula ukuhamba ngesikebhe okuguquguqukayo (i-ACC): I-radar ye-microwave ingasiza izimoto ukuthi zigcine ibanga eliphephile ukusuka emotweni phambi kokulawula ukuhamba ngesikebhe okuguquguqukayo.
Isexwayiso Sethrafikhi Yangemuva (i-RCTA): i-radar ye-microwave ingaqapha ithrafikhi ngemuva kwemoto, ikhumbuze umshayeli ukuthi anake imoto ezayo, ukuze agweme ukushayisana emuva.
Umgomo osebenzayo we-microwave radar ukukala indawo yethagethi ngokuthumela amagagasi angenantambo (amagagasi e-radar) nokwamukela i-echo ngokwehluka kwesikhathi phakathi kokuthumela nokwamukela. Imvamisa ye-millimeter wave radar isebhendini lamagagasi e-millimeter, ngakho-ke ibizwa ngokuthi i-millimeter wave radar .
Ukusetshenziswa kwamabhendi emvamisa ahlukene e-radar ye-microwave ezimotweni kufaka phakathi amabhendi amabili e-24GHz kanye ne-77GHz. Ama-radar angu-24GHz asetshenziswa kakhulu ekutholeni ibanga elifushane, kuyilapho ama-radar angu-77GHz enesinqumo esiphezulu kanye nosayizi omncane, afanelekela ukutholwa ibanga elide .
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