Bhalisa kwimithombo yeendaba zethu zentlalo yeposi
Olu ngcelele lujolise ekunikezeleni abafundi kunye nenqanaba elinzulu kunye nokuqonda okuqhubela phambili kwexesha lokubhabha (TOF). Umxholo ugubungela isishwankathelo esibanzi seenkqubo ze-TOF, kubandakanya neenkcazo ezineenkcukacha zokubini ngokungathanga ngqo La macandelo ahlala kwiiparamitha zeNkqubo, izibonelelo zabo kunye nezinto eziluncedo kunye ne-algorithms ezahlukeneyo. Eli nqaku likwahlola izinto ezahlukeneyo zeenkqubo ze-TOF, ezinje nge-cavity ye-cavity (vcsels), ukuhambisa kunye neelensi zokufumana, i-APD, i-SPAD, i-SPAD, kunye ne-SPADERSERSERSERSERSER.
Intshayelelo kwi-tof (ixesha lokubhabha)
Imigaqo esisiseko
I-TOF, ukuma ixesha lokubaleka, yindlela esetyenzisiweyo ukulinganisa umgama ngokubalwa kwexesha elithathayo ukuze lihambe umgama othile. Lo mgaqo usebenzisa ikakhulu kwimo ye-tof ye-tof kwaye ithe ngqo. Inkqubo ibandakanya impatho yokukhanya ekhupha i-beam yokukhanya, kunye nexesha lokukhutshwa okubhaliweyo. Oku kukhanya emva koko kubonakalisa ithagethi, ifakiwe ngumamkeli, kwaye ixesha lokwamkela liyaphawulwa. Umahluko kula maxesha, unikwe i-T, ichaza umgama (d = isantya sokukhanya (c) × t / 2).
Iindidi zenzwane ye-tof
Zimbini iintlobo eziphambili ze-tof ye-tof: i-onyromagnegnetic. Iinzwa ze-tof ze-tof, ezixhaphake kakhulu, zisebenzisa iipulses, ngokwesiqhelo kuluhlu lwe-infrared, kumgangatho womgama. Ezi pulses zikhutshwa kwi-Ensor, zibonisa into, kwaye zibuyele kwinzwa, apho ixesha lokuhamba lilinganiswa kwaye lisetyenziswa ukubala umgama. Ngokwahlukileyo, ii-elektromagnetic tof zisebenzisa amaza e-elektromagnetic, njenge-radar okanye i-lidar, ukulinganisa umgama. Basebenza kumgaqo ofanayo kodwa basebenzise ophakathiumlinganiso womgama.
Izicelo ze-TOFS
Izinzwa ze-TOF zidluliselwa kubini kwaye zidityaniswe kwimihlaba eyahlukeneyo:
Iirobhothi:Isetyenziselwa ukucenga kunye nokuhamba. Umzekelo, iirobhothi ezinje nge-gumbi ye-gumbi kunye ne-boston 'i-atlas uqengs kwikhamera enzulu yekhamera yokufumana imephu yabo kunye neentshukumo zokucwangcisa.
Iinkqubo zokhuseleko:Iqhelekile kwizinzwa ezishukumayo zokufumana abangeneleli, ii-alamu ezibangela ii-alamu, okanye isebenze iinkqubo zekhamera.
Ishishini le-Automotive:Ifakiwe kwiinkqubo zokuncedisa umqhubi zokulawula inqanawa kunye nokungqubana kwengqungquthela, ukuya kuthi ga ngoku ixhaphakile kwiimodeli zezithuthi ezintsha.
Intsimi yezonyango: Uqashwe kwingcinga engahlaseli kunye nokuxilonga, njengokuhambelana noxinzelelo lwe-toography (oct), ukuvelisa imifanekiso yezixhobo eziphezulu.
I-elektroniki yabathengi: Kuyadityaniswa kwii-smartphones, iitafile, kunye neelaptops zempawu ezifana nokuqwalaselwa kobuso, ukungqinisisa kwe-biometric, kunye nokuqonda.
I-Drones:UKUSETYENZISWA KOKUSETYENZISWA KOKUKHUSELEKILEYO, KWAKHONA KWAKHONA, NOKUGCINWA KWEENKONZO ZENKXASO-MALI NOKUFUNDA
Inkqubo ye-TOF yenkqubo
Inkqubo yesiqhelo ye-tof inamacandelo aliqela aphambili ukufezekisa umlinganiso womgama njengoko kuchaziwe:
· I-STRISTER (TX):Oku kubandakanya umthombo wokukhanya okukhanyayo, ubukhulu becala aI-vcsel, umqhubi wesekethe ukuya kuqhuba i-laser, kunye nezinto ezingapheliyo zolawulo lwe-beam njengeelensi zokwenza iilensi okanye izinto ezingakhethwanga, kunye neefiltha.
· Umamkeli (RX):Oku kubandakanya iilensi kunye neefilitha kwindawo yokufumana, izifo zenzwa njenge-CIS, i-SPAD, okanye i-SPEM yenkqubo ye-TOF, kunye neProssali yomqondiso (i-ISP) yokuqhuba i-chip enkulu kwi-chip.
·Ulawulo lwamandla:Ukulawulwa kokuzinzaUlawulo lwangoku lwee-VCSEL kunye neevolthi eziphezulu zeSpads kubalulekile, zifuna ulawulo lwamandla omzimba.
· Isoftware yesoftware:Oku kubandakanya i-firmware, i-SDK, OS, kunye noFayile wesicelo.
Umyili woyilo ubonakalisa ukuba i-laser ye-laser, ivela kwi-vclsel kwaye iguqulwe ngamacandelo ophesheya, ihambahamba kwindawo, ibonakalisa into, ibuyele kumhlathana. Ixesha lokuphelelwa kuko kule nkqubo libonisa umgama okanye ulwazi olunzulu. Nangona kunjalo, lo uyilo alugubungelanga iindlela zengxolo, ezinje ngengxolo yelanga okanye ingxolo yemibuzo evela kwizibonakaliso, ezixoxwa kamva koluhlu.
Ukuhlelwa kweenkqubo ze-TOF
Iinkqubo ze-TOF zinxulunyaniswa kweendlela zazo zokulinganisa umgama: I-tof ngqo (i-DTOF) kunye ne-tof engathanga ngqo (ITOF), nganye enezixhobo ezahlukeneyo kunye ne-algomithmic. Olu ngcelele lwaqala luchaza imigaqo-siseko yalo ngaphambi kokufumana uhlalutyo lokuthelekisa iingenelo, imiceli mngeni, kunye neeparamitha zenkqubo.
Ngaphandle komgaqo obonakalayo we-tof-ekhupha i-pulse yokukhanya kwaye ifumanise ukubuyela kwayo ukubala umgama-ubunzima bulele kukukhanya okuvela kukhanya. Oku kujongwa njengokukhupha ukukhanya okuqaqambileyo ukufezekisa umlinganiso wengxolo enkulu kunye nokukhetha amaza afanelekileyo okunciphisa uphazamiso lokukhanya kwendalo. Enye indlela yokufumana ukukhanya okukhwezisiweyo ukuze ikwazise ukwahlula kwimbuyekezo, ifana ne-SOS ibonisa isibane.
Olu ngcelele luqhubeka luthelekisa i-DTOF kwaye, ukuxoxa malunga neengxaki, kunye nocelomngeni lweenkqubo ze-TOF ngokusekwe kwi-TOFT ye-3D kwi-3D tof.
dtof
I-TOF ngokuthe ngqo imilinganiselo yexesha lokubhabha kathathu. Icandelo eliphambili, i-photon avalanche diode (i-Spad), inobuthathaka ngokwaneleyo ukuba ibone iifoto enye. I-DTOF isebenzisa ixesha lokuLungisa i-photon ehleliweyo
izulu
I-tof engathanga ngqo ibalela ixesha lokubaleka ngokusekwe kumgangatho wesigaba phakathi kwenqanaba elikhutshiweyo kwaye ifumene i-wavesforms, exhaphakileyo isebenzisa imiqondiso eqhubekayo okanye isebenzisa imiqondiso eqhubekayo. I-TOOFS inokusebenzisa i-Sorder esemgangathweni yeSensor, ukulinganisa ubukhulu bokukhanya ekuhambeni kwexesha.
I-ITof iphinda yahlulwa kwimoda yomongo oqhubekayo (i-CW-TOOP) kunye nemoda ye-pulse (ipela-). I-CW-TRAFT ilinganisa i-Shift yeSigaba phakathi kwe-edutted kwaye ifumene amaza eSineroidal, ngelixa etsalwa-IT Shift Shift Shift Shift.
UKUFUNDA NGOKUFANELEKILEYO:
- I-Wikipedia. (i-ND). Ixesha lokubaleka. Ifunyenwehttps://iki.wikipedia.org/wiki/Tiek_flight
- Iqela leSony Semicondcuctor Iqela. (i-ND). I-tof (ixesha lokubhabha) | Itekhnoloji eqhelekileyo yemifanekiso yenzwa. Ifunyenwehttps: //wwww.dony-se-se-se -se/en/technologies/tof
- IMicrosoft. (2021, FEBRUWARI 4). Intro ukuya kwiMicrosoft yexesha lokubhabha (i-tof) -Iqonga lobunzulu be-azure. Ifunyenwehttps://devblogs.microsoft.com/azure-depth-prom-Umi- pierones-To-To-tof-
- Smoshecc. (2023, Matshi 2). Ixesha lokubhabha (i-tof) izinyiso: Isishwankathelo esinzulu kunye nezicelo. Ifunyenwehttps: //www.esupccc.com/news/TEws/Tise-FFelight-ssensivers-densVivevarvacial-picts
Ukusuka kwiphepha lewebhuhttps://faster-ch-khi.net/tofstem_c1/
NguMbhali: Chao Guang
Iphepha elichazayo:
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IXESHA LOKUQALA: I-DEX-18 ukuya kwi-2023