- Waa maxay faa'iidada anteenada?
Anteenofaa'iidada waxaa loola jeedaa saamiga cufnaanta awoodda ee calaamadda ay soo saarto anteenada dhabta ah iyo cutubka shucaaca ee ku habboon isla barta booska iyadoo la eegayo xaaladda awoodda gelinta oo siman. Waxay si tiro ahaan u qeexaysaa heerka anteenadu ay ku iftiimiso awoodda gelinta si xooggan. Faa'iidada si cad ayay ugu xiran tahay qaabka anteenada. Inta ay yar tahay laf-dhabarta ugu weyn ee qaabka iyo inta ay yar tahay laf-dhabarta dhinaca, ayaa korodhka korodhka sare u kacaysa. Faa'iidada anteenada waxaa loo isticmaalaa in lagu cabbiro awoodda anteenada si ay u dirto oo u hesho calaamadaha jiho gaar ah. Waa mid ka mid ah xuduudaha ugu muhiimsan ee lagu dooranayo anteenooyinka saldhigga.
Guud ahaan, horumarinta faa'iidada waxay inta badan ku xiran tahay yareynta ballaca shucaaca toosan iyadoo la ilaalinayo waxqabadka shucaaca jihada toosan ee diyaaradda toosan. Faa'iidada anteenadu aad ayey muhiim ugu tahay tayada hawlgalka nidaamyada isgaarsiinta moobaylka sababtoo ah waxay go'aamisaa heerka calaamadda ee geeska unugga. Kordhinta faa'iidada waxay kordhin kartaa daboolida shabakadda jiho gaar ah, ama waxay kordhin kartaa faa'iidada faa'iidada ee meel gaar ah. Nidaam kasta oo unug waa hab laba-geesood ah. Kordhinta faa'iidada anteenadu waxay isku mar yareyn kartaa faa'iidada miisaaniyadda faa'iidada ee nidaamka laba-geesoodka ah. Intaa waxaa dheer, xuduudaha matalaya faa'iidada anteenada waa dBd iyo dBi. dBi waa faa'iidada marka loo eego anteenada isha dhibicda, shucaaca dhammaan jihooyinkana waa isku mid; dBd waxay la xiriirtaa faa'iidada anteenada isku-dhafan ee dBi=dBd+2.15. Xaaladahaas oo kale, faa'iidada oo sarreysa, masaafada dheer ee hirarka raadiyaha ay faafi karaan.
Jaantuska faa'iidada anteenada
Marka la dooranayo faa'iidada anteenada, waa in lagu go'aamiyaa iyadoo lagu saleynayo baahiyaha codsiga gaarka ah.
- Isgaarsiinta masaafada gaaban: Haddii masaafada isgaarsiintu ay gaaban tahay oo aysan jirin caqabado badan, waxaa laga yaabaa inaan loo baahnayn koror anteeno oo sareeya. Xaaladdan, koror hoose (sida0-10dB) waa la dooran karaa.
RM-BDHA0308-8（0.3-0.8GHz，8 Nooca.dBi）
Isgaarsiinta masaafada dhexe: Isgaarsiinta masaafada dhexe, faa'iidada anteenada dhexdhexaadka ah ayaa laga yaabaa in loo baahdo si loo magdhabo yaraanta calaamadda Q ee ay keento masaafada gudbinta, iyadoo sidoo kale la tixgelinayo caqabadaha deegaanka. Xaaladdan, faa'iidada anteenada waxaa la dejin karaa inta u dhaxaysa10 iyo 20 dB.
RM-SGHA28-15(26.5-40 GHz, 15 Nooca dBi)
Isgaarsiinta masaafada dheer: Xaaladaha isgaarsiinta ee u baahan inay daboolaan masaafada dheer ama leh caqabado badan, koror anteeno oo sareeya ayaa laga yaabaa in loo baahdo si loo bixiyo xoog calaamadeed oo ku filan si looga gudbo caqabadaha masaafada gudbinta iyo caqabadaha. Xaaladdan, koror anteenada waxaa la dejin karaa inta u dhaxaysa 20 iyo 30 dB.
RM-SGHA2.2-25(325-500GHz，25 Nooca dBi)
Deegaan buuq badan leh: Haddii ay jirto faragelin iyo buuq badan oo ka jira jawiga isgaarsiinta, anteenooyinka faa'iidada badan leh waxay gacan ka geysan karaan hagaajinta saamiga calaamadda-iyo-sawaxanka sidaas darteedna waxay hagaajin karaan tayada isgaarsiinta.
Waa in la ogaadaa in kordhinta faa'iidada anteenada ay la socoto allabaryo dhinacyo kale ah, sida jiheynta anteenada, daboolida, kharashka, iwm. Sidaa darteed, marka la dooranayo faa'iidada anteenada, waxaa lagama maarmaan ah in la tixgeliyo arrimo kala duwan oo la sameeyo go'aanno ku habboon iyadoo lagu saleynayo xaaladda gaarka ah. Dhaqanka ugu wanaagsan waa in la sameeyo tijaabooyin goobeed ama la isticmaalo software jilitaan si loo qiimeeyo waxqabadka iyadoo la raacayo qiimayaal kala duwan oo faa'iido ah si loo helo dejinta faa'iidada dabiiciga ah ee ugu habboon.
Si aad wax badan uga barato anteenooyinka, fadlan booqo:
Waqtiga boostada: Noofambar-14-2024
