Hoto na 1 yana nuna zane na jagorar raƙuman ruwa da aka saba amfani da shi, wanda ke da tsari mai tsayi da kunkuntar jagorar raƙuman ruwa tare da rami a tsakiya. Ana iya amfani da wannan ramin don watsa raƙuman lantarki.

Siffa ta 1. Tsarin siffofi na eriya masu jagora a cikin raƙuman ruwa da aka fi sani.

Ana ciyar da eriyar gaba (Y = 0 a buɗe a cikin jirgin xz). Ƙarshen nesa yawanci gajeriyar da'ira ce (ƙulle na ƙarfe). Jagorar raƙuman ruwa na iya samun sha'awa ta hanyar ɗan gajeren dipole (wanda aka gani a bayan eriyar ramin rami) a shafin, ko kuma ta wani jagorar raƙuman ruwa.

Domin fara nazarin eriya ta Hoto na 1, bari mu kalli samfurin da'irar. Jagoran raƙuman ruwa da kansa yana aiki a matsayin layin watsawa, kuma ana iya kallon ramukan da ke cikin jagorar raƙuman ruwa a matsayin shigarwar layi ɗaya (a layi ɗaya). Jagoran raƙuman ruwa yana da ɗan gajeren zagaye, don haka an nuna samfurin da'irar kimanin a Hoto na 1:

Siffa ta 2. Tsarin da'ira na eriya mai jagorar raƙuman ruwa mai ramuka.

Ramin ƙarshe shine nisan "d" zuwa ƙarshe (wanda aka yi shi da ɗan gajeren zango, kamar yadda aka nuna a Hoto na 2), kuma an raba abubuwan ramin tazara "L" daga juna.

Girman ramin zai ba da jagora ga tsawon tsayin. Tsawon tsayin jagora shine tsawon tsayin da ke cikin jagorar raƙuman ruwa. Tsawon tsayin jagora ( ) aiki ne na faɗin jagorar raƙuman ruwa ("a") da tsawon tsayin sarari kyauta. Ga yanayin TE01 mai rinjaye, tsawon tsayin jagora sune:

Nisa tsakanin ramin ƙarshe da ƙarshen "d" sau da yawa ana zaɓar shi ne tsawon kwata. Yanayin ka'idar layin watsawa, layin gajeren zangon kwata-wave wanda aka watsa zuwa ƙasa shine da'irar buɗewa. Saboda haka, Hoto na 2 ya ragu zuwa:

hoto na 3. Tsarin da'irar jagorar raƙuman ruwa mai ramuka ta amfani da canjin zangon kwata.

Idan aka zaɓi siga "L" a matsayin rabin tsawon rai, to ana duba ƙarfin shigarwar ž ohmic a rabin tsawon rai z ohms. "L" dalili ne na ƙirar ta kasance kusan rabin tsawon rai. Idan an tsara eriya ta ramin jagora ta wannan hanyar, to ana iya ɗaukar duk ramuka a layi ɗaya. Saboda haka, ana iya ƙididdige shigar da shigarwa da kuma ƙarfin shigarwa na jerin ramukan da aka sanya wa "N" da sauri kamar haka:

Input impedance na jagorar wave yana aiki ne da slot impedance.

Lura cewa sigogin ƙira da ke sama suna aiki ne kawai a mita ɗaya. Yayin da mitar ke fitowa daga can, ƙirar jagorar raƙuman ruwa tana aiki, za a sami raguwa a cikin aikin eriya. A matsayin misali na tunani game da halayen mitar jagorar raƙuman ruwa mai ramuka, za a nuna ma'aunin samfurin a matsayin aikin mita a cikin S11. An tsara jagorar raƙuman ruwa don aiki a 10 GHz. An ciyar da wannan zuwa ciyarwar coaxial a ƙasa, kamar yadda aka nuna a Hoto na 4.

Hoto na 4. Ana ciyar da eriyar jagorar raƙuman ruwa mai rami ta hanyar ciyarwar coaxial.

An nuna taswirar S-parameter da ta fito a ƙasa.

LURA: Eriya tana da babban faduwa a kan S11 a kusan 10 GHz. Wannan yana nuna cewa yawancin amfani da wutar lantarki ana watsawa ne a wannan mitar. Matsakaicin bandwidth na eriya (idan aka ayyana shi a matsayin S11 ƙasa da -6 dB) yana tafiya daga kusan 9.7 GHz zuwa 10.5 GHz, yana ba da ƙaramin bandwidth na 8%. Lura cewa akwai kuma sautin sauti a kusa da 6.7 da 9.2 GHz. A ƙasa da 6.5 GHz, a ƙasa da mitar cutoff waveguide kuma kusan babu wani kuzari da aka watsa. Tsarin S-sigogi da aka nuna a sama yana ba da kyakkyawan ra'ayi game da halayen mitar bandwidth slotted waveguide da suka yi kama da su.

An nuna tsarin hasken da ke da girma uku na jagorar raƙuman ruwa mai ramuka a ƙasa (an ƙididdige wannan ta amfani da fakitin lantarki mai lamba da ake kira FEKO). Ribar wannan eriya tana da kusan 17 dB.

Lura cewa a cikin jirgin XZ (H-plane), faɗin hasken yana da matuƙar kunkuntar (digiri 2-5). A cikin jirgin YZ (ko E-plane), faɗin hasken ya fi girma.