Kedu ka laser rangefinder si arụ ọrụ?

Kedu ka laser rangefinder si arụ ọrụ?

Ngwaọrụ ntụgharị laser, dịka ngwaọrụ nha nha dị elu na nke dị elu, na-arụ ọrụ nke ọma ma dịkwa mfe. N'okpuru, anyị ga-atụle nke ọma otu ngwaọrụ ntụgharị laser si arụ ọrụ.

1. Mwepụ Laser Ọrụ nke ihe nlele laser na-amalite site na mwepụta nke laser. N'ime ihe nlele laser nwere ihe nnyefe laser, nke na-ahụ maka iwepụta obere pulse laser mana siri ike. Oke ugboro na obosara pulse laser a na-eme ka o ruo ihe a chọrọ n'ime obere oge.

2. Ntụgharị uche nke laser Mgbe mkpali laser kụrụ ihe mgbaru ọsọ, akụkụ nke ike laser ahụ na-abanye site na ihe ebumnuche ahụ, akụkụ nke ìhè laser ahụ na-egosipụtakwa azụ. Ìhè laser ahụ na-egosipụta na-ebu ozi anya gbasara ihe ebumnuche ahụ.

3. Nnabata laser. Ihe nlele laser nwekwara ihe nnata n'ime ya iji nata ìhè laser a na-egosipụta. Ihe nnata a na-enyocha ìhè a na-achọghị ma na-enweta naanị ihe mmetụta laser a na-egosipụta nke dabara na ihe mmetụta laser site na ihe na-eziga laser.

4. Nha oge Ozugbo onye nnata natara pulse laser a na-egosipụta, ihe na-egosi oge ziri ezi nke dị n'ime ihe na-egosi laser na-akwụsị elekere ahụ. Ihe na-egosi oge a nwere ike idekọ nke ọma ọdịiche oge Δt dị n'etiti nnyefe na nnata nke pulse laser.

5. Ngụkọta Anya Site na ọdịiche oge Δt, ihe nlele anya laser nwere ike ịgbakọ anya dị n'etiti ihe a na-elekwasị anya na ihe nlele anya laser site na usoro mgbakọ na mwepụ dị mfe. Usoro a bụ: anya = (ọsọ nke ìhè × Δt) / 2. Ebe ọ bụ na ọsọ nke ìhè bụ ihe a maara (ihe dị ka kilomita 300,000 kwa sekọnd), enwere ike ịgbakọ anya dị mfe site na ịtụ ọdịiche oge Δt.

Ihe nlele anya laser na-arụ ọrụ site n'izipu mkpali laser, na-atụ ọdịiche oge dị n'etiti nnyefe na nnata ya, wee jiri ihe sitere na ọsọ nke ìhè na ọdịiche oge gbakọọ anya dị n'etiti ihe ebumnuche na ihe nlele anya laser. Usoro nha a nwere uru nke izi ezi dị elu, ọsọ dị elu na enweghị kọntaktị, nke na-eme ka laser rangefinder na-ejikarị eme ihe n'ọtụtụ ebe.

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