Utshintsho oluvela kwi-Passive Electronically Scanned Array (PESA) ukuya kwi-Active Electronically Scanned Array (AESA) lubonisa inkqubela phambili ebalulekileyo kubuchwepheshe be-radar banamhlanje. Nangona zombini ezi nkqubo zisebenzisa i-electronic beam steering, uyilo lwazo olusisiseko lwahlukile kakhulu, nto leyo ekhokelela kumahluko amakhulu okusebenza.
Kwiinkqubo zePESA, iyunithi enye yokudlulisela/yokwamkela izondla inethiwekhi yee-phase shifters ezilawula ipateni yemitha yezinto ze-antenna ezingasebenziyo. Olu yilo lubeka imida ekuchaseni kwe-jamming kunye ne-beam agility. Ngokwahlukileyo koko, i-radar ye-AESA ibandakanya amakhulu okanye amawaka eemodyuli zokudlulisela/zokwamkela nganye nganye, nganye inolawulo lwayo lwesigaba kunye ne-amplitude. Olu lwakhiwo olusasazwe luvumela amandla okuguqula izinto kuquka ukulandelela iithagethi ezininzi ngaxeshanye, ukwenza i-adaptive beamforming, kunye nokuphucula kakhulu iindlela zokumelana ne-elektroniki.
Izinto ze-antenna ngokwazo ziye zavela kunye nezi nkqubo.Ii-antenna zeplanar, ngenxa yoyilo lwazo oluphantsi, oluvelisa ngobuninzi, luye lwaba lolona khetho lukhethwayo kwiinkqubo ze-AESA ezifuna ukufakelwa okuncinci, okufana nolwe-conformal. Okwangoku, ii-antenna ze-ODM ezi-conical horn ziyaqhubeka nokusebenza indima ebalulekileyo kwizicelo ezikhethekileyo apho iipateni zazo ezilinganayo kunye nobubanzi.
Iinkqubo ze-AESA zanamhlanje zihlala zidibanisa zombini ezi teknoloji, zidibanisa ii-arrays ezicwangcisiweyo zemisebenzi ephambili yokuskena kunye nee-horn feeds ezikhonkxiweyo ukuze zigutyungelwe ngokukodwa. Le ndlela edibeneyo ibonisa indlela uyilo lwe-antenna ye-microwave oluye lwaba luphucuke ngayo ukuhlangabezana neemfuno ezahlukeneyo zokusebenza kuzo zonke iinkqubo zomkhosi, zeenqwelo moya, kunye nezemozulu.
Ukuze ufunde okungakumbi ngee-antenna, nceda undwendwele:
Ixesha leposi: Okthobha-29-2025
