Tare da faffadan aikace-aikacen fasahar stealth na lantarki a cikin kayan aikin soja (musamman jirgin sama), mahimmancin bincike kan halayen watsawar wutar lantarki na makasudin radar ya zama sananne.A halin yanzu, akwai buƙatar gaggawa don gano hanyar gano sifofin watsawa na lantarki na maƙasudi, wanda za'a iya amfani da shi don nazarin ƙimar ƙimar aikin satar lantarki da tasirin satar abin da ake nufi.Ma'aunin Radar Cross (RCS) hanya ce mai mahimmanci don nazarin halayen watsawa na lantarki na maƙasudi.A matsayin fasaha na ci gaba a fannin auna sararin samaniya da sarrafawa, ana amfani da ma'aunin halayen radar a cikin ƙirar sabon radar.Yana iya ƙayyade siffa da girman maƙasudi ta hanyar auna RCS a mahimmin kusurwoyin hali.Babban ma'aunin ma'aunin radar gabaɗaya yana samun bayanan manufa ta hanyar auna halayen motsin niyya, halayen tunani na radar da halayen Doppler, daga cikinsu ma'aunin halayen RCS shine auna halayen tunani.
Ma'anar ma'auni da ma'auni na radar watsa shirye-shirye
Ma'anar watsawa lokacin da wani abu ya haskaka ta hanyar igiyoyin lantarki na lantarki, ƙarfinsa zai watse a kowane bangare.Rarraba sararin samaniya na makamashi ya dogara da siffar, girman, tsarin abu da mita da halaye na motsin abin da ya faru.Ana kiran wannan rarraba makamashin watsawa.Rarraba sararin samaniya na makamashi ko watsawar wutar lantarki gabaɗaya yana da alaƙa da ɓangaren giciye, wanda shine zato na manufa.
Ma'aunin waje
Ma'aunin filin RCS na waje yana da mahimmanci don samun halayen watsawa na lantarki na manyan maƙasudin girman girman girman [7] An raba gwajin filin waje zuwa gwaji mai ƙarfi da gwaji mai tsayi.Ana auna ma'aunin RCS mai ƙarfi yayin tashin ma'aunin hasken rana.Ma'auni mai ƙarfi yana da wasu fa'idodi akan ma'aunin ma'auni, saboda ya haɗa da tasirin fuka-fuki, abubuwan motsa jiki, da sauransu akan sashin giciye na radar.Har ila yau, ya dace da yanayi mai nisa daga 11 zuwa 11 Duk da haka, farashinsa yana da yawa, kuma yanayin ya shafi yanayin, yana da wuya a sarrafa halin da ake nufi.Idan aka kwatanta da gwaji mai ƙarfi, kusurwar glint yana da tsanani.Gwajin a tsaye baya buƙatar bin diddigin hasken rana.Maƙasudin da aka auna yana ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ma'auni a kan ma'aunin juyawa ba tare da juya eriya ba.Ta hanyar sarrafa kusurwar jujjuyawar juzu'i kawai, ana iya cimma ma'auni na gaba ɗaya na maƙasudin 360.Sabili da haka, farashin tsarin da farashin gwaji suna raguwa sosai A lokaci guda, saboda tsakiyar maƙasudin yana tsaye dangane da eriya, daidaiton yanayin kula da halayen yana da girma, kuma ana iya maimaita ma'auni, wanda ba kawai inganta daidaiton daidaito ba. aunawa da daidaitawa, amma kuma ya dace, mai tattali, kuma mai iya motsa jiki.Gwajin a tsaye ya dace don ma'auni da yawa na manufa.Lokacin da aka gwada RCS a waje, jirgin saman ƙasa yana da tasiri sosai, kuma an nuna zane-zane na gwajin waje a cikin Hoto na 2 Hanyar da ta fara tasowa ita ce ware manyan makasudin da aka sanya a cikin kewayon daga jirgin ƙasa, amma a cikin 'yan shekarun nan kusan ba zai yiwu a cim ma wannan ba An gane cewa hanya mafi mahimmanci don magance tunanin jirgin sama shine yin amfani da jirgin sama a matsayin mai shiga cikin tsarin hasken wuta, wato, don haifar da yanayin tunani na ƙasa.
Ma'aunin madaidaicin kewayon cikin gida
Ya kamata a gudanar da gwajin RCS mai kyau a cikin yanayin da ba shi da kyan gani.Filin abin da ya faru da ke haskaka abin da ake nufi bai shafi muhallin da ke kewaye ba.Gidan anechoic na microwave yana ba da kyakkyawan dandamali don gwajin RCS na cikin gida.Za'a iya rage matakin tunani na baya ta hanyar dacewa da tsara kayan abin sha, kuma ana iya yin gwajin a cikin yanayi mai sarrafawa don rage tasirin yanayin.Mafi mahimmancin yanki na ɗakin anechoic na microwave ana kiransa wuri mai shiru, kuma manufa ko eriya da za a gwada ana sanya shi a cikin wurin da babu shiru Babban aikinsa shine girman matakin da ba a sani ba a cikin wuri mai shiru.Siffofin guda biyu, haɓakawa da ɓangaren giciye na radar, ana amfani da su azaman ma'aunin kimantawa na ɗakin anechoic na microwave [.. Dangane da yanayin filin nesa na eriya da RCS, R ≥ 2IY, don haka ma'aunin D na rana yana da kyau sosai. babba, kuma tsawon zangon gajere ne sosai.Nisan gwajin R dole ne ya zama babba sosai.Don magance wannan matsalar, an ƙirƙira da kuma amfani da fasahar kewayon babban aiki tun cikin 1990s.Hoto na 3 yana nuna ginshiƙi na gwaji guda ɗaya na ƙayyadaddun tatsuniyoyi.Ƙaƙƙarfan kewayon yana amfani da tsarin tunani wanda ya ƙunshi paraboloids mai jujjuya don canza raƙuman ruwa zuwa igiyoyin jirgin sama a ɗan ɗan gajeren tazara, kuma ana sanya ciyarwar a madaidaicin wurin mai da hankali kan farfajiyar abu, saboda haka sunan "m".Domin rage taper da waviness na amplitude na a tsaye yankin na m kewayon, gefen da nuna surface ne sarrafa da za a serrated.A cikin ma'aunin watsawa na cikin gida, saboda iyakance girman ɗakin duhu, yawancin ɗakunan duhu ana amfani da su azaman ma'aunin ma'auni.Dangantakar da ke tsakanin RCS () na 1: s sikelin sikelin da kuma RCS () da aka canza zuwa 1: 1 ainihin girman maƙasudin shine daya + 201gs (dB), kuma mitar gwaji na sikelin ya kamata ya zama s sau na ainihi. mitar gwajin hasken rana f.
Lokacin aikawa: Nuwamba-21-2022