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I-RF frequency converter design-RF Up converter, iRF Down converter
Lesi sihloko sichaza idizayini yesiguquli se-RF, kanye nemidwebo yebhulokhi, echaza ukwakheka kwe-RF upconverter kanye nomklamo we-RF downconverter. Isho izingxenye zefrikhwensi ezisetshenziswe kulesi siguquli sefrikhwensi ye-C-band. Umklamo wenziwa ebhodini le-microstrip usebenzisa i-discre...Funda kabanzi -
Imvamisa ye-antenna
I-antenna ekwazi ukudlulisa noma ukuthola amagagasi kagesi kagesi (EM). Izibonelo zala maza kagesi zibandakanya ukukhanya okuvela elangeni, namagagasi atholwe umakhalekhukhwini wakho. Amehlo akho athola izimpondo ezithola amaza kagesi endaweni ethile...Funda kabanzi -
Ukubaluleka kwama-antenna emkhakheni wezempi
Emkhakheni wezempi, izimpondo ziwubuchwepheshe obubaluleke kakhulu. Inhloso yothi ukwamukela nokudlulisa amasignali efrikhwensi yomsakazo ukuze unike amandla ukuxhumana okungenantambo namanye amadivaysi. Ezicini zokuzivikela nezempi, izimpondo zidlala indima ebalulekile njengoba zisetshenziswa...Funda kabanzi -
Umkhawulokudonsa we-antenna
I-Bandwidth ingenye ipharamitha ye-antenna eyisisekelo. I-Bandwidth ichaza ububanzi bezandi i-antenna engakwazi ukuyikhipha ngendlela efanele noma ithole amandla. Ngokujwayelekile, umkhawulokudonsa odingekayo ungenye yemingcele esetshenziselwa ukukhetha uhlobo lwe-antenna. Ngokwesibonelo, kukhona m...Funda kabanzi -
Ukuhlaziywa kwesakhiwo, umgomo wokusebenza kanye nezimo zokusebenzisa zezimpondo ze-microstrip
I-Microstrip antenna iyi-antenna evamile enosayizi omncane, ehlanganisa isiqephu sensimbi, i-substrate kanye nendiza ephansi. Isakhiwo sawo simi kanje: Iziqephu zensimbi: Iziqephu zensimbi zivame ukwakhiwa ngezinto zokuqhuba, njengethusi, i-aluminium,...Funda kabanzi -
Ukusebenza kahle kwe-antenna kanye nokuzuza kwe-antenna
Ukusebenza kahle kwe-antenna kuhlobene namandla anikezwa ithikithi namandla akhishwa uthi. I-antenna esebenza kahle kakhulu izokhipha amandla amaningi alethwa othi. I-antenna engasebenzi kahle imunca iningi lamandla alahleka phakathi kwe-anten...Funda kabanzi -
Funda ngama-antenna ahleliwe
I-Planar antenna wuhlobo lwe-antenna olusetshenziswa kakhulu ezinhlelweni zokuxhumana. Inesakhiwo esilula futhi kulula ukuyenza. Ingahlelwa endaweni eyisicaba, njengepuleti lensimbi, ibhodi lesifunda eliphrintiwe, njll. Ama-antenna e-Planar ngokuyinhloko enziwe ngensimbi futhi avame ukuza...Funda kabanzi -
Kuyini ukuqondisa kwe-antenna
I-Directivity iyipharamitha ye-antenna eyisisekelo. Lesi isilinganiso sokuthi injani iphethini yemisebe ye-antenna eqondisayo. I-antenna ekhanya ngokulinganayo kuzo zonke izinhlangothi izoba nokuqondisa okulingana no-1. (Lokhu kulingana noziro decibel -0 dB). Umsebenzi we...Funda kabanzi -
I-Standard Gain Horn Antenna: Qonda Umgomo Wayo Wokusebenza Nezindawo Zokusebenza
I-antenna yophondo olujwayelekile iwuthi oluvame ukusetshenziswa oluqondisayo, oluhlanganisa into edluliselayo kanye nento eyamukelayo. Umgomo wayo wokuklama ukukhulisa inzuzo ye-antenna, okungukuthi, ukugxilisa amandla efrikhwensi yomsakazo endaweni ethile. Ngokuvamile...Funda kabanzi -
Qonda izimiso zokuklama nezici zokusebenza zama-antenna angama-biconical
I-Biconical Antenna iyi-antenna ekhethekile enebhendi ebanzi eyakhiwe ngamakhoni ensimbi amabili alinganayo axhumeke phansi futhi axhunywe kumthombo wesignali noma umamukeli ngenethiwekhi yokunquma. Ama-antenna e-Biconical asetshenziswa kabanzi ekusebenzisaneni kwe-electromagnetic (EM...Funda kabanzi -
Isingeniso kuma-antenna we-log-periodic kanye nezinkambu zabo zohlelo
I-antenna ye-log-periodic ifomu le-antenna elikhethwayo lama-antenna aqondisayo ane-ultra-wideband ephansi. Inezici zenzuzo emaphakathi, umkhawulokudonsa wemvamisa yokusebenza, nokungaguquguquki okuhle kokusebenza ngaphakathi kwebhendi yefrikhwensi yokusebenza. Ifanele inqola...Funda kabanzi -
Hlola ubuchwepheshe obuthuthukisiwe be-conical logarithmic helical antennas
I-conical logarithmic helix antenna wuthi olusetshenziselwa ukwamukela nokudlulisa amasignali omsakazo. Isakhiwo sawo sinocingo oluyindilinga oluncipha kancane lube yisimo esizungelezayo. Idizayini ye-conical logarithmic spiral antenna isuselwe kumgomo we-logarith...Funda kabanzi
