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Waa maxay saddexda nooc ee kala duwan ee polarization ee SAR?
1. Waa maxay SAR polarization? Polarization: H polarization horizontal; V polarization vertical, taas oo ah, jihada gariirka ee goobta korantada. Marka uu dayax gacmeedku u gudbiyo signalka dhulka, jihada gariirka ee mowjadda raadiyaha ee la isticmaalo waxay noqon kartaa nin...Sii akhri -
Anteenooyinka Geeska iyo anteenooyinkooda laba-laaban: codsiyada iyo meelaha la isticmaalo
Anteenooyinka Horn iyo Dual Polarized anteenooyinka waa laba nooc oo anteenooyinkooda ah kuwaas oo loo isticmaalo meelo kala duwan sababo la xiriira sifooyinka iyo shaqooyinka gaarka ah. Maqaalkan, waxaan ku sahamin doonaa astaamaha anteenooyinka geesaha iyo dual-polar...Sii akhri -
Qeexida iyo falanqaynta kala soocida guud ee anteenooyinka RFID
Waxaa ka mid ah tignoolajiyada isgaarsiinta wireless-ka, kaliya xiriirka ka dhexeeya aaladda gudbinta wireless-ka iyo anteenada nidaamka RFID ayaa ah kan ugu gaarka ah. Qoyska RFID, anteenooyinka iyo RFID si isku mid ah ayey muhiim u yihiin ...Sii akhri -
Waa maxay inta jeer ee raadiyaha?
Tiknoolajiyada Frequency Radio (RF) waa tignoolajiyada isgaarsiinta wirelesska, inta badan loo isticmaalo raadiyaha, isgaarsiinta, raadaarka, kontoroolka fog, shabakadaha dareemayaasha wireless-ka iyo meelaha kale. Mabda'a tignoolajiyada soo noqnoqda raadiyaha wirelessku waxay ku salaysan tahay faafinta iyo habayntaSii akhri -
Mabda'a faa'iidada anteenada, sida loo xisaabiyo faa'iidada anteenada
Faa'iidada anteenada waxaa loola jeedaa faa'iidada tamarta shucaaca ee anteenada ee jiho gaar ah marka loo eego anteenada isha dhibicda ugu habboon. Waxay ka dhigan tahay awoodda shucaaca anteenada ee jiho gaar ah, taas oo ah, soo dhaweynta ishaarada ama waxtarka sii deynta ante ...Sii akhri -
Afar hab quudinta aasaasiga ah anteenooyinkooda microstrip
Qaab dhismeedka anteeno microstrip guud ahaan ka kooban yahay substrate dielectric ah, hiitarka iyo saxan dhulka. Dhumucda substrate-ka dielectric ayaa aad uga yar hirarka dhererka. Lakabka birta dhuuban ee hoose ee substrate-ka waxa uu ku xidhan yahay gunta...Sii akhri -
Polarization Antenna: Waa maxay Polarization Antenna iyo sababta ay muhiim u tahay
Injineerada elektaroonigga ah waxay og yihiin in anteenooyinku ay soo diraan oo ay helaan calaamadaha qaab mowjadaha tamarta korantada (EM) ee lagu tilmaamay isla'egyada Maxwell. Sida mawduucyo badan, isla'egyadan, iyo faafinta, sifooyinka korantada, waxaa lagu baran karaa l...Sii akhri -
Mabda'a shaqada iyo codsiga anteenada geeska
Taariikhda anteenooyinka geesku waxay soo taxnayd ilaa 1897, markii cilmi-baadhaha raadiyaha Jagadish Chandra Bose uu sameeyay naqshado tijaabo ah oo horudhac ah isagoo isticmaalaya microwaves. Ka dib, GC Southworth iyo Wilmer Barrow waxay hindiseen qaabdhismeedka anteenada geeska casriga ah 1938 siday u kala horreeyaan. Tan iyo markii t...Sii akhri -
Waa maxay anteenada geesku? Waa maxay mabaadi'da ugu muhiimsan iyo isticmaalka?
Anteenada geesku waa anteeno dusha sare ah, anteeno microwave-ka ah oo leh qayb wareeg ah ama leydi ah oo marinka mawjadaha si tartiib tartiib ah u furmo. Waa anteenada microwave-ka ee ugu isticmaalka badan. Beertiisa shucaaca waxaa lagu qiyaasaa cabbirka afka iyo propa...Sii akhri -
Ma garanaysaa faraqa u dhexeeya mowjadaha jilicsan iyo hagaha adag?
Waveguide Soft waveguide waa xariiqda gudbinta oo u adeegta sidii wax ilaalinaya inta u dhaxaysa qalabka microwave-ka iyo quudiyeyaasha. Darbiga gudaha ee mawjadaha jilicsan ayaa leh qaab dhismeed, kaas oo aad u jilicsan oo u adkeysan kara foorarsi adag, fidin iyo cadaadis. Sidaa darteed, waa...Sii akhri -
Anteenooyinka sida caadiga ah loo isticmaalo | Hordhac lix nooc oo kala duwan oo anteenooyinkooda gees ah
Anteenada Horn waa mid ka mid ah anteenooyinka si weyn loo isticmaalo oo leh qaab-dhismeed fudud, baaxad ballaadhan oo soo noqnoqda, awood koronto oo weyn iyo faa'iido sare. Anteenooyinka geeska ayaa inta badan loo adeegsadaa anteenooyin quudin ahaan xagga xiddigiska raadiyaha ballaaran, raadraaca dayax-gacmeedka, iyo anteenooyinka isgaarsiinta. Marka laga soo tago s...Sii akhri -
beddele
Sida mid ka mid ah hababka quudinta ee anteenooyinka waveguide, naqshadeynta microstrip to waveguide ayaa door muhiim ah ka ciyaarta gudbinta tamarta. The microstrip dhaqameed in model waveguide waa sida soo socota. Baadhitaan sidda substrate dielectric oo lagu quudiyo xariiqda microstrip ayaa ku jirta...Sii akhri
