Hordhac anteenooyinkooda-Log-periodic and fields their application

Theanteenada log-periodicwaa qaabka anteenada ee la door bidayo anteenooyinka jihada-soo noqnoqda-yar ee ultra-ballaaran. Waxay leedahay sifooyin faa'iido dhexdhexaad ah, bandwidth inta jeer ee hawlgalka, iyo joogteynta waxqabadka wanaagsan ee band inta jeer ee hawlgalka. Ku habboon meelaha sida meelaha go'an, baabuurta, iyo sabuuradaha maraakiibta, anteenooyinka log-periodic ee awood u leh in ay muddo dheer shaqeeyaan, xasilloon, iyo hawlgal la isku halayn karo ayaa ah qaabka antenna ee la doorbido ee loogu talagalay anteenooyinka jihada ultra-wideband ee hooseeya, oo leh faa'iido dhexdhexaad ah, soo noqnoqoshada shaqeynta. bandwidth, iyo joogteynta waxqabadka gudaha band soo noqnoqda hawlgalka. Tilmaamo wanaagsan. Waxay ku habboon tahay jagooyinka go'an, baabuurka lagu rakibay, markabka lagu rakibay iyo meelaha kale ee sidayaal, waxayna u shaqayn kartaa si adag oo la isku halleyn karo muddo dheer.