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Siv Lens twg hauv CCTV Lub Koob Yees Duab? Lens ntawm CCTV Lub Koob Yees Duab Ua Dab Tsi? Yuav Xaiv Lens ntawm CCTV Lub Koob Yees Duab Li Cas?
Ib, Cov Lens twg siv rau hauv CCTV Lub Koob Yees Duab? CCTV lub koob yees duab siv tau ntau hom lens nyob ntawm lawv daim ntawv thov thiab qhov chaw pom xav tau. Nov yog qee hom lens uas siv rau hauv CCTV lub koob yees duab: Lens Ruaj Khoov: Cov lens no muaj qhov ntev focal ruaj khov thiab tsis tuaj yeem hloov kho. Lawv yog peb...Nyeem ntxiv -
Dab tsi yog Lens Distortion hauv Daim Duab? Dab tsi yog Wide Angle Low Distortion Lens? Dab tsi yog Cov Ntawv Thov Tseem Ceeb ntawm M12 Low Distortion Lens?
Ib, Dab tsi yog qhov lens distortion hauv Duab? Lens distortion hauv kev thaij duab yog hais txog qhov optical aberrations uas tshwm sim thaum lub koob yees duab lens tsis ua kom raug dua cov duab ntawm tus neeg raug thaij duab. Qhov no ua rau muaj cov duab distorted uas yog stretched lossis compressed, nyob ntawm...Nyeem ntxiv -
Lub Koob Yees Duab Fisheye CCTV Yog Dab Tsi? Cov Qhov Zoo Thiab Qhov Tsis Zoo Ntawm Fisheye Lens Hauv Kev Siv Kev Ruaj Ntseg Thiab Kev Saib Xyuas Yog Dab Tsi? Yuav Ua Li Cas Xaiv Lub Lens Fisheye Rau CCTV Koob Yees Duab?
1. Lub koob yees duab fisheye CCTV yog dab tsi? Lub koob yees duab fisheye CCTV yog ib hom koob yees duab saib xyuas uas siv lub lens fisheye los muab qhov pom dav ntawm thaj chaw uas raug saib xyuas. Lub lens ntes tau 180-degree saib, uas ua rau nws muaj peev xwm saib xyuas thaj chaw loj nrog ib lub koob yees duab xwb. Lub fisheye CCTV c...Nyeem ntxiv -
Cov Nta, Cov Txiaj Ntsig, thiab Cov Kev Siv ntawm M12 Fisheye Lens
Lub lens fisheye yog ib hom lens dav-angle uas tsim cov kev pom tshwj xeeb thiab tsis meej uas tuaj yeem ntxiv cov teebmeem muaj tswv yim thiab ua yeeb yam rau cov duab. Lub lens M12 fisheye yog ib hom lens fisheye nrov uas feem ntau siv rau kev thaij duab dav-angle hauv ntau qhov chaw xws li kev tsim vaj tsev ...Nyeem ntxiv -
Neutral-density filter yog dab tsi?
Hauv kev thaij duab thiab optics, lub lim dej ceev tsis nruab nrab lossis ND lim yog lub lim uas txo lossis hloov kho qhov muaj zog ntawm txhua qhov wavelengths lossis xim ntawm lub teeb sib npaug yam tsis hloov pauv qhov hue ntawm cov xim rov ua dua. Lub hom phiaj ntawm cov lim dej ceev tsis nruab nrab rau kev thaij duab yog kom txo qhov ntau ...Nyeem ntxiv -
Hom ntawm cov iav classic
Lub lens singlet Lub lens doublet Lub lens Petzval Lub lens Cooke triplet thiab anastigmat Lub lens Tessar Lub lens Ernostar Lub lens Sonnar Lub lens Double Gauss Lub lens symmetrical wide angle Lub lens telephoto Lub lens Retrofocus / Reverse telephoto Lub lens Fisheye Lub lens Zoom lens Afo...Nyeem ntxiv -
Neeg Hlau Txawb Uas Siv Kev Pom Kev
Niaj hnub nim no, muaj ntau hom neeg hlau uas ua haujlwm tau ywj pheej. Ib txhia ntawm lawv tau muaj kev cuam tshuam loj rau peb lub neej, xws li cov neeg hlau hauv kev lag luam thiab kev kho mob. Lwm tus yog rau kev siv tub rog, xws li drones thiab cov neeg hlau tsiaj rau kev lom zem xwb. Qhov sib txawv tseem ceeb ntawm cov neeg hlau no thiab cov neeg hlau tswj hwm yog lawv lub peev xwm t...Nyeem ntxiv -
Lub kaum sab xis ntawm Chief Ray yog dab tsi
Lub kaum sab xis ntawm lub lens yog lub kaum sab xis ntawm lub lens axis thiab lub lens chief ray. Lub lens chief ray yog lub teeb uas hla dhau qhov aperture nres ntawm lub optical system thiab kab ntawm lub qhov nkag ntawm lub qhov muag thiab qhov khoom taw tes. Qhov laj thawj rau qhov muaj CRA hauv ...Nyeem ntxiv -
Optics Hauv Tshuaj thiab Kev Tshawb Fawb Txog Lub Neej
Kev txhim kho thiab kev siv cov khoom siv kho qhov muag tau pab cov tshuaj niaj hnub thiab kev tshawb fawb txog lub neej nkag mus rau theem ntawm kev txhim kho sai, xws li kev phais mob tsawg kawg nkaus, kev kho mob laser, kev kuaj mob, kev tshawb fawb txog tsiaj txhu, kev tshuaj xyuas DNA, thiab lwm yam. Kev phais mob thiab Pharmacokinetics Lub luag haujlwm ntawm cov khoom siv kho qhov muag hauv kev phais mob thiab p ...Nyeem ntxiv -
Cov Lenses Kab Luam Tawm Yog Dab Tsi Thiab Yuav Xaiv Li Cas?
Cov tsom iav luam theej siv dav hauv AOI, kev tshuaj xyuas luam ntawv, kev tshuaj xyuas cov ntaub tsis-woven, kev tshuaj xyuas tawv nqaij, kev tshuaj xyuas txoj kev tsheb ciav hlau, kev tshuaj xyuas thiab kev xaiv xim thiab lwm yam lag luam. Tsab xov xwm no coj kev qhia txog cov tsom iav luam theej kab. Kev Taw Qhia rau Cov Lens Luam theej Kab 1) Lub tswv yim ntawm kev luam theej kab...Nyeem ntxiv -
Cov yam ntxwv ntawm cov iav tsom iav hauv qhov xwm txheej sib txawv
Niaj hnub no, nrog rau qhov nrov ntawm AI, ntau dua thiab ntau dua cov ntawv thov tshiab yuav tsum tau pab los ntawm lub tshuab pom kev, thiab lub hauv paus ntawm kev siv AI los "nkag siab" yog tias cov khoom siv yuav tsum pom thiab pom meej. Hauv cov txheej txheem no, lub lens kho qhov muag Qhov tseem ceeb yog qhov pom tseeb, ntawm ...Nyeem ntxiv -
Kev Loj Hlob thiab Kev Hloov Pauv ntawm Biometric Technology
Biometrics yog kev ntsuas lub cev thiab kev xam zauv uas cuam tshuam nrog tib neeg tus cwj pwm. Biometric authentication (lossis realistic authentication) yog siv hauv computer science ua ib daim ntawv ntawm kev txheeb xyuas thiab kev tswj hwm kev nkag mus. Nws kuj tseem siv los txheeb xyuas cov tib neeg hauv cov pab pawg uas raug saib xyuas. Biometrics ...Nyeem ntxiv
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