Teknụzụ nchọpụta okwu dịpụrụ adịpụ Laser
Lasernchọpụta okwu dịpụrụ adịpụ: Na-ekpughe nhazi nke usoro nchọpụta
Igwe ọkụ laser dị mkpa na-agba egwu nke ọma site na ikuku, na-eji nwayọọ na-achọ ụda ndị dị anya, ụkpụrụ dị n'azụ "anwansi" nka na ụzụ ga-eme n'ọdịnihu bụ ihe na-adịghị mma ma juputara na amara. Taa, ka anyị welie mkpuchi na teknụzụ a dị ịtụnanya wee nyochaa usoro ya na ụkpụrụ ya dị ebube. A na-egosi ụkpụrụ nke nchọpụta olu remote laser na eserese 1 (a). Sistemụ nchọpụta olu dịpụrụ adịpụ nke laser bụ sistemu mmụgharị ụda laser yana ebumnuche ịma jijiji anaghị arụkọ ọrụ ọnụ. Dị ka usoro nchọpụta nke nlọghachi ọkụ si dị, usoro nchọpụta ahụ nwere ike kewaa n'ime ụdị nnyonye anya na-abụghị nnyonye anya na ụdị nnyonye anya, na schematic eserese na-egosikwa na Figure 1 (b) na (c).
FIG. 1 (a) Mgbochi eserese nke nchọpụta olu dịpụrụ adịpụ nke laser; (b) Eserese eserese nke sistemu mmụgharị anya nke laser na-abụghị interferometric; (c) Eserese ụkpụrụ nke sistemụ nlegharị anya nhụcha anya interferometric laser
一. Sistemụ nchọpụta na-enweghị nnyonye anya nchọpụta enweghị nnyonye anya bụ agwa ndị enyi kwụ ọtọ, site na irradiation laser nke elu ebumnuche, yana mmegharị oblique nke ọkụ azimuth nke na-egosipụta na-akpata mgbanwe na njedebe nnabata nke ike ọkụ ma ọ bụ onyonyo speckle iji tụọ anya n'elu ala micro-vibration, wee nweta akara ngosi kwụ ọtọ na nke dịpụrụ adịpụ. Dị ka usoro nke ịnatafotodetector, Enwere ike kewaa usoro enweghị nnyonye anya n'ime otu isi ihe na ụdị nhazi. Isi ihe dị n'ime otu ihe nhazi bụ "nrụgharị nke mgbaàmà ụda", ya bụ, a na-atụ ụda elu nke ihe ahụ site n'ịtụgharị mgbanwe nke nhụta ìhè ọkụ nke onye na-achọpụta ihe kpatara ngbanwe nke ntụgharị ọkụ nlọghachi. Ihe owuwu nke otu ebe nwere uru nke ọnụ ala dị ala, ihe owuwu dị mfe, ọnụego nlele dị elu na nrụzigharị nke akara ụda ozugbo dị ka nzaghachi nke onye na-achọpụta foto nke ugbu a, mana mmetụta speckle laser ga-emebi njikọ njikọ dị n'etiti vibration na ihe nchọta ọkụ siri ike, yabụ ọ na-egbochi ngwa nke usoro nchọpụta nke otu isi na-abụghị nnyonye anya. Nhazi nhazi ahụ na-ewughachi mkpọtụ elu nke ebumnuche site na nhazi algọridim ihe onyonyo speckle, nke mere na usoro nha jijiji nwere ike ime mgbanwe na elu ahụ siri ike, ma nwee ezi uche na nghọta dị elu.
二. Usoro nchọpụta nnyonye anya dị iche na nchọpụta nnyonye anya na-enweghị nnyonye anya, nchọpụta nnyonye anya nwere amara na-apụtachaghị ìhè, ụkpụrụ bụ site na irradiation laser nke elu nke ebumnuche ahụ, ebe a na-eche ihu n'akụkụ axis anya nke nchụpụ na ọkụ azụ na-ewebata mgbanwe oge / ugboro ugboro, ojiji nke teknụzụ nnyonye anya iji tụọ ngbanwe oge / ngbanwe micro-ngbanwe iji nweta nha nha / usoro microvib. Ka ọ dị ugbu a, teknụzụ nchọpụta interferometric ka dị elu nwere ike kewaa ụzọ abụọ dịka ụkpụrụ nke teknụzụ nleba anya laser Doppler na usoro nnyonye anya na-agwakọta laser dabere na nchọpụta mgbama ụda dịpụrụ adịpụ. Usoro nleba anya nke laser Doppler dabere na mmetụta Doppler nke laser iji chọpụta mgbama ụda site na ịlele ngbanwe ugboro ugboro Doppler kpatara site na ịma jijiji nke elu nke ihe ezubere iche. Teknụzụ interferometry nke na-agwakọta onwe nke laser na-atụle nchụpụ, ọsọ, ịma jijiji na anya nke ebumnuche site n'ikwe ka akụkụ nke ìhè egosipụtara nke ebumnuche dị anya banyeghachi na resonator laser wee mee ka mgbanwe nke njupụta na ugboro ole laser ahụ. Uru ya dị na obere nha na mmetụta dị elu nke usoro nha vibration, naobere ike laserenwere ike iji chọpụta mgbama ụda dịpụrụ adịpụ. A na-egosi sistemu nha nha igwe na-agwakọta onwe onye nke laser ugboro ugboro maka nchọpụta mgbaama okwu dịpụrụ adịpụ na foto 2.
FIG. 2 Eserese eserese nke sistemu nha igwe na-agwakọta onwe ya ugboro ugboro
Dị ka a bara uru na oru oma teknuzu n'aka, laser "anwansi" egwu ime okwu ike ọ bụghị nanị na ubi nke nchọpụta, na ubi nke counter-nchọpụta nwekwara magburu onwe arụmọrụ na obosara ngwa - laser interception countermeasure technology. Nke a na nkà na ụzụ nwere ike nweta 100-mita larịị interception countermeasures n'ime ime ụlọ, ụlọ ọrụ ụlọ na ndị ọzọ iko ákwà mgbochi mgbidi ebe, na otu ngwaọrụ nwere ike n'ụzọ dị irè chebe a ogbako ụlọ na a window ebe nke 15 square mita, na mgbakwunye na ngwa ngwa nzaghachi ọsọ nke ịgụ isiokwu na n'ọkwa n'ime 10 sekọnd, elu n'ọnọdu ziri ezi nke ihe karịrị 90% ude ọnụego, na elu pụrụ ịdabere na ogologo oge kwụsiri ike ọrụ. Nkà na ụzụ mgbochi mgbochi laser nwere ike inye nkwa siri ike maka nchekwa ozi ụda olu nke ndị ọrụ na ụlọ ọrụ isi ụlọ ọrụ yana ọnọdụ ndị ọzọ.
Oge nzipu: Ọktoba 11-2024