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Ithiyori ye-Antenna – Ububanzi beBeamwidth
Kwipateni yemitha ye-antenna, i-lobe ephambili imele umqadi oyintloko we-antenna, apho amandla aphezulu kunye nawona aqokelelweyo akhutshwa khona. Ububanzi be-beadwidth bububanzi be-angle ye-aperture apho uninzi lwamandla lukhutshwa khona. Ezimbini eziphambili ...Funda ngokugqithisileyo -
Ithiyori ye-Antenna – Imisebe kunye nokuHlanganisa
Esi sahluko sixoxa ngemilinganiselo yemitha ye-antenna, esinceda siqonde iinkcukacha zemitha. Indawo yemitha Ngokwenkcazo eqhelekileyo: “Ukuba amandla emitha i-P(θ,ϕ) ahlala kwixabiso lawo eliphezulu ngaphezulu...Funda ngokugqithisileyo -
Ithiyori ye-Antenna — Imitha ye-Isotropic
Kwisahluko esidlulileyo, sixoxe ngeepateni zemitha. Ukuze uhlalutye ngcono imitha ye-antenna, kufuneka indawo yokubhekisa. Imitha ye-antenna ye-isotropic izalisekisa le ndima. Inkcazelo Imitha ye-Isotropic ibhekisa kwimitha evela kumthombo wenqaku...Funda ngokugqithisileyo -
Ithiyori ye-Antenna – Iipateni zeMisebe
Imitha ligama elichaza amandla amaza e-electromagnetic adluliselwa okanye afunyanwa yi-antenna. Kuyo nayiphi na imifanekiso ye-antenna, umzobo obonisa iimpawu zemitha ye-antenna waziwa njengephethini yayo yemitha. Ngokujonga imitha...Funda ngokugqithisileyo -
Ithiyori ye-Antenna – Intsimi Ekufutshane neNdawo Ekude
Emva kwengxoxo ngeeparameters ze-antenna ezisisiseko kwisahluko esidlulileyo, esinye isihloko esibalulekileyo ekufuneka siqwalaselwe yimimandla ye-antenna ekufutshane nentsimi kunye nentsimi ekude. Ubungakanani bemitha obulinganiswa kufutshane ne-antenna bahlukile kobo bulinganiswa kumgama. ...Funda ngokugqithisileyo -
Ithiyori ye-Antenna - Iiparamitha eziSiseko
Esi sahluko sazisa ngemida esisiseko yonxibelelwano olungenazingcingo, ejolise ekunikeni ukuqonda okungcono indima yee-antenna kwiinkqubo zonxibelelwano. Unxibelelwano olungenazingcingo lwenziwa ngendlela yamaza e-electromagnetic, nto leyo eyenza kube yimfuneko ukuphelisa...Funda ngokugqithisileyo -
Isikhokelo Esona Siphezulu see-Antennas: Indlela ezisebenza ngayo ii-Antennas
Ii-antenna zizixhobo zonxibelelwano eziqhelekileyo ebomini bethu. Nangona kunjalo, uninzi lwabantu aluziqondi ngokwenene, mhlawumbi lusazi nje ukuba zisetyenziselwa ukudlulisa nokufumana imiqondiso. Okumangalisayo kukuba, ukususela oko isazinzulu saseRashiya uPopov wayila ngempumelelo i-antenna ngo-18...Funda ngokugqithisileyo -
I-AESA vs PESA: Indlela Uyilo lwee-Antenna zanamhlanje oluguqula ngayo iinkqubo zeradar
Utshintsho oluvela kwi-Passive Electronically Scanned Array (PESA) ukuya kwi-Active Electronically Scanned Array (AESA) lubonisa inkqubela phambili ebalulekileyo kubuchwepheshe be-radar banamhlanje. Ngelixa zombini ezi nkqubo zisebenzisa i-electronic beam steering, uyilo lwazo olusisiseko lwahlukile...Funda ngokugqithisileyo -
Ngaba iiMicrowave ze-5G okanye iiRadio Waves?
Umbuzo oqhelekileyo kunxibelelwano olungenazingcingo kukuba ingaba i-5G isebenza nge-microwave okanye amaza erediyo na. Impendulo yile: I-5G isebenzisa zombini ezi zinto, njengoko ii-microwave ziyinxalenye yamaza erediyo. Amaza erediyo aquka uluhlu olubanzi lwee-frequency ze-electromagnetic, ukusuka kwi-3 kHz ukuya kwi-30...Funda ngokugqithisileyo -
Uphuhliso lwee-Antennas zeSitishi seSiseko: Ukusuka kwi-1G ukuya kwi-5G
Eli nqaku libonelela ngophononongo olucwangcisiweyo lokuguquka kwetekhnoloji ye-antenna yesitishi esisisiseko kuzo zonke izizukulwana zonxibelelwano oluphathwayo, ukusuka kwi-1G ukuya kwi-5G. Lilandelela indlela ii-antenna ezitshintshe ngayo ukusuka kwi-transceivers zesignali ezilula ukuya kwiinkqubo ezintsonkothileyo ezibonisa ubulumko ...Funda ngokugqithisileyo -
Isebenza njani i-Antenna ye-Microwave? Icacisiwe imigaqo kunye nezinto ezisetyenzisiweyo
Ii-antenna ze-microwave ziguqula imiqondiso yombane ibe ngamaza e-electromagnetic (kwaye ngokuchaseneyo) zisebenzisa izakhiwo ezicwangciswe ngokuchanekileyo. Ukusebenza kwazo kuxhomekeke kwimigaqo emithathu ephambili: 1. Imo yoThumelo loGuquko lwamaza e-Electromagnetic: Imiqondiso ye-RF evela kwi-transmitter ...Funda ngokugqithisileyo -
Luthini uluhlu lwe-Antena yeMicrowave? Izinto ezibalulekileyo kunye nedatha yokusebenza
Uluhlu olusebenzayo lwe-antenna ye-microwave luxhomekeke kwibhendi yayo ye-frequency, i-gain, kunye nemeko yesicelo. Apha ngezantsi kukho uhlalutyo lobuchwephesha lweentlobo ze-antenna eziqhelekileyo: 1. I-Frequency Band kunye ne-Range Correlation E-band Antenna (60–90 GHz): I-L-range emfutshane, enomthamo ophezulu...Funda ngokugqithisileyo
