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Imigqa ye-Microwave Coaxial: Izinhlobo, Ukulahlekelwa kanye Nomhlahlandlela Wokukhetha
Imigqa ye-microwave coaxial ithwala amandla e-RF phakathi kwama-antenna, izinsimbi zokuhlola, ama-transmitter, ama-receiver, nezinye izingxenye ze-microwave. Ukwakhiwa kwazo okugxile kunikeza indlela yokudlulisela elawulwayo kanye nokuvikela okuqinile, kodwa ukusebenza kuncike kokuningi kakhulu kunekhebula...Funda kabanzi -
Isingeniso senqubo yokukhiqiza imikhiqizo ye-RFMISO—ukubhoboza nge-vacuum
Ubuchwepheshe bokushisela nge-vacuum buyindlela yokuhlanganisa izingxenye ezimbili noma ngaphezulu zensimbi ndawonye ngokuzifudumeza emazingeni okushisa aphezulu nasendaweni yokushisela nge-vacuum. Okulandelayo yisingeniso esiningiliziwe sobuchwepheshe bokushisela nge-vacuum: I-Va...Funda kabanzi -
Idizayini yesiguquli semvamisa ye-RF-Isiguquli se-RF Up, Isiguquli se-RF Down
Lesi sihloko sichaza ukwakheka kwesiguquli se-RF, kanye nemidwebo yamabhulokhi, sichaza ukwakheka kwesiguquli se-RF kanye nokwakheka kwesiguquli se-RF downconverter. Sikhuluma ngezingxenye zemvamisa ezisetshenziswa kulesi siguquli semvamisa ye-C-band. Ukwakheka kwenziwa ebhodini le-microstrip kusetshenziswa i-discre...Funda kabanzi -
Imvamisa ye-antenna
I-antenna ekwazi ukudlulisa noma ukwamukela amaza kagesi (EM). Izibonelo zala maza kagesi zihlanganisa ukukhanya okuvela elangeni, kanye namaza atholwa yiselula yakho. Amehlo akho athola ama-antenna athola amaza kagesi kagesi endaweni ethile...Funda kabanzi -
Ama-Antenna Ezempi: Izicelo, Izinhlobo kanye Nomhlahlandlela Wokukhetha
Ama-antenna ezempi akha i-interface ye-RF phakathi kwepulatifomu yokuzivikela kanye nendawo kagesi. Asekela ukuxhumana, i-radar, izixhumanisi zesathelayithi, ukuqapha i-spectrum, ukuthola isiqondiso, izinhlelo zempi ze-telemetry kanye ne-electronic emhlabeni, emotweni, emoyeni,...Funda kabanzi -
Ububanzi be-antenna
I-bandwidth ingenye ipharamitha ye-antenna eyisisekelo. I-bandwidth ichaza ububanzi bemvamisa i-antenna engakhipha noma yamukele amandla ngendlela efanele. Ngokuvamile, i-bandwidth edingekayo ingenye yamapharamitha asetshenziswa ukukhetha uhlobo lwe-antenna. Isibonelo, kune-m...Funda kabanzi -
Ukusebenza kahle kwe-antenna kanye nokuzuza kwe-antenna
Ukusebenza kahle kwe-antenna kuhlobene namandla anikezwa i-antenna kanye namandla akhishwa yi-antenna. I-antenna esebenza kahle kakhulu izokhipha iningi lamandla alethwa ku-antenna. I-antenna engasebenzi kahle imunca iningi lamandla alahlekile ngaphakathi kwe-antenna...Funda kabanzi -
Iyini i-Antenna Eyiplanethi? Isakhiwo, Izinhlobo kanye Nezicelo
I-antenna ehleliwe iyi-antenna ephansi enesakhiwo esikhanyayo esihlelwe noma esihambisana nendawo eyisicaba. Kuye ngomklamo, izinto ezikhanyayo zingaba ama-patches ensimbi aphrintiwe, izikhala, ama-spiral conductor, ama-waveguide avulekile, noma izinto eziningi ezihlanganiswe njenge...Funda kabanzi -
Isiqondiso se-Antenna: Ifomula, Inzuzo kanye Nokulinganisa
Kuyini Ukuqondiswa Kwe-Antenna? Impendulo esheshayo: Ukuqondiswa kwe-Antenna kuchaza ukuthi i-antenna igxila kangakanani ngamandla amandla akhishwayo ohlangothini oluthile uma kuqhathaniswa ne-radiator ye-isotropic efanele. I-radiator ye-isotropic inokuqondisa okungu-1, noma u-0 dBi. Ukuqondisa okuphezulu...Funda kabanzi -
I-Antenna Yempondo Ejwayelekile: Qonda Isimiso Sayo Sokusebenza kanye Nezindawo Zokusebenza
I-antenna ejwayelekile ye-gain horn iyi-antenna eqondisa indlela evame ukusetshenziswa, equkethe into edlulisa kanye nento eyamukelayo. Umgomo wayo wokuklama ukwandisa inzuzo ye-antenna, okungukuthi, ukugxila amandla emvamisa yomsakazo ohlangothini oluthile. Ngokuvamile ...Funda kabanzi -
I-Antenna Yezinhlangothi Ezimbili: Isimiso Sokusebenza, Umklamo kanye Nezicelo
I-antenna ye-biconical iyi-antenna ye-broadband eyakhiwe ngamakhoni amabili aqhubayo abekwe encamini kuya encamini futhi anikezwe eziqongweni zawo. I-geometry yayo eshintsha kancane kancane inikeza i-bandwidth yokusebenza ebanzi kune-dipole evamile yentambo encane, okwenza ibe usizo ekulinganisweni kwe-broadband, ...Funda kabanzi -
Isingeniso kuma-antenna e-log-periodic kanye nezinkambu zawo zohlelo lokusebenza
I-antenna ye-log-periodic iyindlela ekhethwayo ye-antenna eqondisa i-low-frequency ultra-wideband directional. Inezici ze-medium gain, i-operating frequency bandwidth, kanye nokusebenza kahle ngaphakathi kwe-operating frequency band. Ifaneleka...Funda kabanzi
