Nekushandiswa kwakakura kwe electromagnetic stealth tekinoroji mumidziyo yemauto (kunyanya ndege), kukosha kwekutsvagisa pamusoro pemagetsi ekuparadzira maitiro ezvinangwa zveradar kwave kuwedzera mukurumbira.Parizvino, pane kudiwa kwekukurumidzira kwemaitiro ekuona emagetsi ekuparadzira maitiro echinangwa, ayo anogona kushandiswa kuongororwa kwemhando yemagetsi emagetsi stealth performance uye stealth effect yechinangwa.Radar Muchinjikwa Section (RCS) kuyerwa inzira yakakosha yekudzidza iyo electromagnetic kuparadzira maitiro ezvinangwa.Seye tekinoroji yepamberi mumunda wekuyera uye kutonga kweaerospace, kuyerwa kwemaitiro eradar anoshandiswa zvakanyanya mukugadzira radar nyowani.Inogona kuona chimiro uye saizi yezvinangwa nekuyera RCS pamakona akakosha emafungiro.High precision yekuyera radar kazhinji inowana ruzivo rwechinangwa nekuyera hunhu hwemafambiro, radar kuratidza maitiro uye Doppler maitiro, pakati peiyo RCS maitiro kuyerwa ndeyekuyera chinangwa chekuratidzira maitiro.
Tsanangudzo uye kuyerwa musimboti we radar yekuparadzira interface
Tsanangudzo yekuparadzira interface Kana chinhu chikavhenekerwa nemasaisai emagetsi, simba racho rinopararira kwese kwese.Kugoverwa kwenzvimbo kwesimba kunoenderana nechimiro, saizi, chimiro chechinhu uye kuwanda uye maitiro echiitiko wave.Uku kugoverwa kwesimba kunonzi kuparadzira.Kugovewa kwenzvimbo kwesimba kana kuparadzira simba kunowanzo kuratidzwa nechikamu chekuparadzira, inova fungidziro yechinangwa.
Kuyera kwekunze
Munda wekunze RCS kuyerwa kwakakosha kuti uwane hunhu hwekuparadzira magetsi ehukuru hwakazara hunangwa [7] Muedzo wekunze wemunda wakakamurwa kuita bvunzo ine simba uye static bvunzo.Chiyero chine simba cheRCS chinoyerwa panguva yekubhururuka kweyero yezuva.Chiyero chine simba chine zvimwe zvakanakira pamusoro peiyo static kuyerwa, nekuti inosanganisira mhedzisiro yemapapiro, injini propulsion components, etc. pane radar cross chikamu.Inosanganawo nemamiriro ezvinhu ari kure-kure zvakanaka kubva ku11 kusvika ku11 Zvisinei, mari yaro yakakwirira, uye inobatwa nemamiriro okunze, zvakaoma kudzora mafungiro echinangwa.Kana ichienzaniswa neiyo dynamic test, iyo angle glint yakakomba.Iyo static bvunzo haidi kuteedzera solar beacon.Chinangwa chakayerwa chinomisikidzwa paturntable pasina kutenderedza antenna.Chete nekudzora kona yekutenderera kweiyo turntable, iyo omni-directional kuyerwa kweyakayerwa chinangwa 360 inogona kuitika.Naizvozvo, mutengo wehurongwa uye mutengo wekuyedza wakadzikiswa zvakanyanya Panguva imwecheteyo, nekuti pakati pechinangwa chakamira maererano neantenna, maitiro ekudzora maitiro akakwira, uye kuyerwa kunogona kudzokororwa, izvo zvisingango vandudza kurongeka kwe. kuyerwa uye kuenzanisa, asi zvakare iri nyore, ine mari, uye inofambiswa.Kuyedza kwakamira kwakanakira kuyerwa kwakawanda kwechinangwa.Apo RCS inoedzwa kunze, ndege yepasi ine simba guru, uye dhiyabhorosi dhiyagiramu yekuedza kwayo kunze inoratidzwa muMufananidzo 2 Nzira yakatanga kuuya nayo ndeyekuparadzanisa zvinangwa zvakakura zvakaiswa mukati mehuwandu kubva pasi pasi, asi. mumakore achangopfuura zvinenge zvisingabviri kuita izvi Zvinozivikanwa kuti nzira yakanakisisa yekubata nayo kufungisisa kwepasi pasi ndeyekushandisa ndege yepasi semutori wechikamu chekugadzirisa irradiation, ndiko kuti, kugadzira nzvimbo yekuratidzira pasi.
Indoor compact range kuyerwa
Iyo yakanakira RCS bvunzo inofanirwa kuitwa munzvimbo isina inotaridza clutter.Munda wechiitiko unovhenekera chinangwa haukanganiswi nenharaunda yakapoteredza.Iyo microwave anechoic chamber inopa yakanaka chikuva chemukati RCS bvunzo.Iyo yekumashure yekuratidzira nhanho inogona kuderedzwa nekurongeka zvine musoro zvinhu zvinotora, uye bvunzo inogona kuitwa munzvimbo inodzoreka kudzikisa kukanganisa kwenzvimbo.Nzvimbo inonyanya kukosha ye microwave anechoic chamber inonzi nzvimbo yakanyarara, uye chinangwa kana antenna kuti iongororwe inoiswa munzvimbo yakanyarara Basa rayo guru ndiro hukuru hwezinga rakarasika munzvimbo yakanyarara.Maparamita maviri, reflectivity uye inherent radar cross section, anowanzo shandiswa sechiratidzo chekuongorora che microwave anechoic chamber [.. Zvinoenderana nemamiriro ekure emunda we antenna neRCS, R ≥ 2IY, saka chiyero D chezuva chakanyanya. yakakura, uye wavelength ipfupi kwazvo.Kuyedza kureba R kunofanirwa kunge kwakakura kwazvo.Kuti ugadzirise dambudziko iri, tekinoroji yemhando yepamusoro-yepamusoro yakagadziridzwa uye yakashandiswa kubva kuma1990.Mufananidzo 3 unoratidza yakajairwa imwechete reflector compact range test chart.Iyo compact range inoshandisa reflector system inoumbwa nemaparaboloid anotenderera kushandura masaisai edenderedzwa kuita masaisai endege pachinhambwe chipfupi, uye chikafu chinoiswa pachiratidziri Nzvimbo yepakati pechinhu chepamusoro, saka zita rekuti "compact".Kuti uderedze iyo taper uye waviness yeamplitude yeiyo static zone ye compact renji, mupendero wenzvimbo inoratidzira inogadziriswa kuti igadzirwe.Muchiyero chekuparadzira kwemukati, nekuda kwekudzikisira kwehukuru hwekamuri yerima, makamuri mazhinji erima anoshandiswa seyero yekuyera inotariswa modhi.Ukama huri pakati peRCS () ye1: s chiyero modhi uye RCS () yakashandurwa kuita 1: 1 chaiyo inotariswa saizi imwe + 201gs (dB), uye bvunzo frequency yechiyero chemuenzaniso inofanira kuva s nguva chaiyo chaiyo. solar scale test frequency f.
Nguva yekutumira: Nov-21-2022