Mashandiro eLaser Ranging

Zvinoenderana neiyo yakakosha musimboti, kune marudzi maviri emhando dzelaser kubva nzira: nguva-ye-ndege (TOF) inotangira uye isiri-yenguva-ye-ndege kubva. Panepulsed laser kubvauye phase-based laser inotangira panguva-ye-ndege kubva.

Pulse rangeing inzira yekuyera yakatanga kushandiswa mumunda wekuongorora uye mepu nelaser tekinoroji. Nekuti iyo laser divergence angle idiki, iyo laser pulse nguva ipfupi zvakanyanya, uye simba repakarepo rakakura zvakanyanya, saka rinogona kuwana rakareba zvakanyanya. Kazhinji, chinangwa chekushandira pamwe hachishandiswi, asi kupararira kwechiratidzo chechiedza nechiratidzo chakayerwa chinoshandiswa kuyera chinhambwe.

Nheyo ye pulsed rangeing nzira inonzwisiswa zvakanaka. Wachi yakakwira-frequency inotyaira counter kuti iverenge nguva pakati pekutumira nekugamuchira pulses, izvo zvinoita kuti nguva yekuverenga ive diki pane nguva iri pakati pekutumira nekugamuchira pulses kuti ive nechokwadi chakaringana, saka iyi nzira yekufamba yakakodzera kwenguva refu- kuyera kureba.

Iyo emission angle ye pulsed laser idiki, simba racho rakanangana munzvimbo, uye simba repakarepo rakakura. Kushandisa maitiro aya, akasiyana-siyana epakati uye kureba-kurelaser rangefinders, lidars, nezvimwewo zvinogona kugadzirwa. Parizvino, pulsed laser inotenderera inoshandiswa zvakanyanya mu topographic uye geomorphological kuyerwa, geological exploration, engineering kuvaka kuyerwa, kuyerwa kwehurefu hwendege, traffic uye logistics zvipingamupinyi kudzivirira,kuyera kureba kwemaindasitiriuye mamwe maitiro ehunyanzvi.

Phase laser kubvandeye kushandisa frequency yeredhiyo bhendi kugadziridza amplitude yelaser beam uye kuyera kunonoka kwechikamu kunogadzirwa nemwenje wemodulation uchidzokera nekudzoka kumutsara wekuyeresa, uye wozoshandura chinhambwe chinomiririrwa nekunonoka kwechikamu zvinoenderana newavelength. yechiedza chakagadziridzwa. Kureva kuti, nguva inodiwa kuti chiedza chifambe nekudzoka nemutsetse weongororo inoyerwa neimwe nzira isina kunanga. Phase laser kutenderera inowanzo shandiswa mumunda wekunyatso kutangira. Nekuda kwekurongeka kwayo kwepamusoro, kazhinji mukurongeka kwemamirimita, kuitira kunyatsoratidza chiratidzo uye kudzikisira chinangwa chakayerwa kune imwe nzvimbo inoenzana nekurongeka kwechiridzwa, ichi chigadziriso chinotaridzika chine chiratidziro chinonzi cooperative target. ndiro.

Phase laser kutenderera inowanzoenderana nepfupi- uye yepakati-kuyera kuyerwa, uye kuyerwa kwechiyero kunogona kusvika mamirimita. Iyo zvakare inzira ine hupamhi hwepamusoro hwechokwadi parizvino. Phase renging ndeyekugadzirisa kusimba kwechiedza chechiedza chakabudiswa nechiratidzo chemodulated, uye kuyera nguva isina kunanga nekuyera mutsauko wechikamu, izvo zvisinganyanyi kuoma pane kuyera zvakananga nguva yerwendo rwekudzoka.

Kana iwe uchida kuziva rumwe ruzivo rwehunyanzvi uye zvigadzirwa zvine chekuita nelaser kubva, ndapota taura nesu.

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