Hom thiab cov khoom ntawm cov khoom siv reflective rau cov paib tsheb

Cov khoom siv hluav taws xob siv rau qhov chaw kos npe tuaj yeem muab faib ua hom lens-embedded, kaw hom capsule, hom micro-prism thiab lwm hom raws li lawv cov qauv sib txawv. Lub hauv paus ntsiab lus ntawm kev xav yog: lub teeb coj mus rau qhov chaw kos npe yuav tsum tau rov qab mus rau lub teeb ci nyob rau hauv qhov sib txawv ntawm qhov teeb meem teeb meem. Vim qhov sib txawv ntawm qhov chaw kos npe thiab lub tsheb tsav tsheb, cov ntaub ntawv uas siv rau ntawm qhov chaw kos npe yuav tsum muaj lub kaum ntse ntse zoo heev thiab cov khoom siv retroreflective. Nyob rau hauv cov xwm txheej ntawm qhov xwm txheej sib txawv (lub kaum sab xis ntawm lub teeb lub teeb ntawm lub tsheb thiab cov kab ib txwm muaj ntawm cov paib saum npoo av) thiab cov kaum sab xis sib txawv (lub kaum sab xis ntawm lub teeb lub teeb ntawm lub tsheb thiab lub teeb pom kev rov qab mus rau tus neeg tsav tsheb lub qhov muag los ntawm kos npe), siv Tus nqi retroreflection coefficient ntawm cov yeeb yaj kiab reflective ntawm qhov chaw kos npe yuav tsum ua raws li cov cai ntawm JT / T279.