II-Antenna Yesikhathi Selogi(LPA) yaphakanyiswa ngo-1957 futhi ingenye uhlobo lwe-antenna engaguquguquki imvamisa.
Isekelwe emcabangweni ofanayo olandelayo: lapho i-antenna iguqulwa ngokwesici esithile esilinganayo τ futhi isalingana nesakhiwo sayo sokuqala, i-antenna inokusebenza okufanayo lapho isici singu-f no-τf. Kunezinhlobo eziningi zama-antenna aphindaphindayo e-log, phakathi kwawo i-Log Dipole Antenna (LDPA) eyaphakanyiswa ngo-1960 inezici ze-bandwidth ezibanzi kakhulu kanye nesakhiwo esilula, ngakho-ke isetshenziswe kabanzi kuma-shortwave, ultra-shortwave kanye nama-microwave bands.
I-antenna ye-log periodic imane iphinda iphethini yemisebe kanye nezici ze-impedance ngezikhathi ezithile. Kodwa-ke, ku-antenna enesakhiwo esinjalo, uma i-τ ingaphansi kakhulu kuka-1, ushintsho lwezici zayo ngaphakathi komjikelezo owodwa luncane kakhulu, ngakho-ke ngokuyisisekelo aluncikile emvamisa.
Kunezinhlobo eziningi zama-antenna e-log periodic, kufaka phakathi ama-antenna e-log periodic dipole kanye nama-antenna e-monopole, ama-antenna anomumo we-log periodic resonant V, ama-antenna e-log periodic spiral, njll., phakathi kwawo avame kakhulu yi-antenna ye-log periodic dipole.
Njenge-antenna ye-ultra-wideband, ukumbozwa komkhawulokudonsa kubanzi kakhulu, kufika ku-10:1, futhi kuvame ukusetshenziselwa ukukhulisa isignali, ukusatshalaliswa kwangaphakathi kanye nokumbozwa kwesignali ye-elevator. Ngaphezu kwalokho, i-antenna ye-logarithmic periodic ingasetshenziswa futhi njengomthombo wokuphakelayo wama-antenna abonisa i-microwave. Njengoba indawo ephumelelayo ihamba nemvamisa yokusebenza, ukuphambuka phakathi kwendawo ephumelelayo kanye nokugxila kuyo yonke i-frequency band yokusebenza kumele kube ngaphakathi kwebanga lokubekezelela elivunyelwe ngesikhathi sokufakwa.
I-RF MISOI-Model RM-DLPA022-7 ka-'s iyi-antenna ye-log ephindwe kabili esebenza kusukela ku-0.2 kuya ku-2 GHz, I-antenna inikeza7dBiinzuzo evamile. I-antenna VSWR 2UhloboAmachweba e-antenna RF ayizixhumi ze-N-Female. I-antenna ingasetshenziswa kabanzi ekutholeni i-EMI, ekuqondiseni, ekuhloleni, ekulinganisweni kwe-antenna kanye nephethini kanye nakwezinye izinkambu zohlelo lokusebenza.
RM-DLPA022-7
I-RF MISO'sImodeliRM-I-LPA0033-6 is ilogi ephindaphindayo i-antenna esebenza kusukela0.03 to 3 I-GHz, I-antenna inikeza 6dBi inzuzo evamile. I-antenna VSWR ngaphansi kwe2:1. I-antenna RF amachwebaI-N-Femaleisixhumi. I-antenna ingasetshenziswa kabanzi ekutholeni i-EMI, ekuqondiseni, ekuhloleni, ekulinganisweni kokuzuza kwe-antenna kanye nephethini kanye nakwezinye izinkambu zohlelo lokusebenza.
RM-LPA0033-6
I-RF MISO'sImodeliRM-I-LPA054-7 is ilogi ephindaphindayo i-antenna esebenza kusukela0.5 to 4 I-GHz, I-antenna inikeza 7dBi inzuzo evamile. I-antenna VSWR 1.5 Uhlobo. I-antenna RF amachwebaI-N-Femaleisixhumi. I-antenna ingasetshenziswa kabanzi ekutholeni i-EMI, ekuqondiseni, ekuhloleni, ekulinganisweni kokuzuza kwe-antenna kanye nephethini kanye nakwezinye izinkambu zohlelo lokusebenza.
RM-LPA054-7
Ukuze ufunde kabanzi ngama-antenna, sicela uvakashele:
Isikhathi sokuthunyelwe: Disemba-27-2024
