Kodi laser rangefinder imagwira ntchito bwanji?

Kodi laser rangefinder imagwira ntchito bwanji?

Ma laser rangefinder, monga chida cholondola kwambiri komanso choyezera liwiro, amagwira ntchito mosavuta komanso moyenera. Pansipa, tikambirana mwatsatanetsatane momwe laser rangefinder imagwirira ntchito.

1. Kutulutsa Laser Ntchito ya laser rangefinder imayamba ndi kutulutsa kwa laser. Mkati mwa laser rangefinder muli cholumikizira cha laser, chomwe chimapangitsa kutulutsa kwapang'onopang'ono koma kolimba kwa laser. Kuthamanga kwafupipafupi komanso kugunda kwafupipafupi kwa laser pulse iyi kumapangitsa kuti ifike pa chinthu chomwe mukufuna mu nthawi yochepa kwambiri.

2. Kuwala kwa laser Pamene kugunda kwa laser kugunda chinthu chandamale, gawo la mphamvu ya laser imatengedwa ndi chinthu chomwe chalunjika ndipo gawo lina la kuwala kwa laser limawonekeranso kumbuyo. Mtengo wa laser wowonekera umanyamula chidziwitso cha mtunda wa chinthu chomwe mukufuna.

3. Laser reception The laser rangefinder ilinso ndi wolandila mkati kuti alandire mtengo wonyezimira wa laser. Wolandila uyu amasefa kuwala kosafunika ndipo amangolandira ma pulse owoneka bwino a laser omwe amafanana ndi ma pulses a laser kuchokera pa transmitter ya laser.

4. Kuyeza Nthawi Wolandirayo akalandira kugunda kwa laser komwe kumawonekera, chowerengera cholondola kwambiri mkati mwa laser rangefinder chimayimitsa wotchi. Timer iyi imatha kulemba molondola kusiyana kwa nthawi Δt pakati pa kufalitsa ndi kulandira laser pulse.

5. Kuwerengera Kutali Ndi kusiyana kwa nthawi Δt, laser rangefinder ikhoza kuwerengera mtunda pakati pa chinthu chandamale ndi laser rangefinder kudzera mu masamu osavuta. Njirayi ndi: mtunda = (liwiro la kuwala × Δt) / 2. Popeza liwiro la kuwala ndilodziwika nthawi zonse (pafupifupi makilomita 300,000 pamphindi), mtunda ukhoza kuwerengedwa mosavuta poyesa kusiyana kwa nthawi Δt.

Laser rangefinder imagwira ntchito potumiza kugunda kwa laser, kuyeza kusiyana kwa nthawi pakati pa kufalikira kwake ndi kulandirira, ndiyeno kugwiritsa ntchito chinthu cha liwiro la kuwala ndi kusiyana kwa nthawi kuwerengera mtunda pakati pa chinthu chomwe mukufuna ndi laser rangefinder. Njira yoyezera iyi ili ndi ubwino wolondola kwambiri, kuthamanga kwambiri komanso osalumikizana, zomwe zimapangitsa kuti laser rangefinder igwiritsidwe ntchito kwambiri m'madera osiyanasiyana.

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