Enhancement of elevation angle for an array leaky-wave antenna

• Autorzy: Abdulhameed Muhannad Kaml , Kod Muayad Saleem , Al-Gburi Ahmed Jamal Abdullah

Identyfikatory

DOI

10.15199/48.2021.08.19

Warianty tytułu

PL

Zwiększenie kąta elewacji dla anteny z falą wyciekającą

• Języki publikacji: EN

Abstrakty

EN

A new design for array leaky-wave antenna to achieve high elevation angle and obtain high radiation pattern on boresight is proposed in this study. Two half-width microstrip leaky-wave antennas are placed horizontally and used one fed probe between them. The other side of the halfwidth used lumped element (matching load 50 ohm). An array of vias was used to connect the radiation element with the ground plane to make the microstrip line work in the first high order mode. The main beam direction can be changed by control the reactance of the microstrip line with the free edges of radiation elements and the ground. This controlling led to the use of two vertical vias array alone the radiation element of each antenna. The simulated result produced a high matched bandwidth of the array of 800 MHZ (4.2- 5) GHz. The direction of the main beam scanning towards in boresight with maximum gain 12.9 dBi. The elevation angle can be scanning between 22o to 65o. The proposed antenna is promising to the C-band applications.

PL

W opracowaniu zaproponowano nowy projekt anteny z falą wyciekającą w celu uzyskania dużego kąta elewacji i uzyskania poprawy charakterystyki promieniowania podczas celowania. Dwie mikropaskowe anteny z falą wyciekającą o połowie szerokości są umieszczone poziomo i umieszcza się między nimi jedną sondę zasilaną. Druga strona półszerokości zastosowano pasujące obciążenie 50 omów. Do połączenia elementu radiacyjnego z płaszczyzną uziemienia zastosowano szereg przelotek, aby linia mikropaskowa działała w pierwszym trybie wysokiego rzędu. Kierunek wiązki głównej można zmienić, kontrolując reaktancję linii mikropaskowej ze swobodnymi krawędziami elementów radiacyjnych i uziemienia. To sterowanie doprowadziło do użycia dwóch pionowych szyków przelotek, które same stanowią element radiacyjny każdej anteny. Symulowany wynik dał wysoką dopasowaną przepustowość macierzy 800 MHz (4,2-5) GHz. Kierunek skanowania wiązki głównej w kierunku celownika z maksymalnym wzmocnieniem 12,9 dBi. Kąt elewacji może być skanowany w zakresie od 22o do 65o. Proponowana antena jest obiecująca dla zastosowań w paśmie C.

Słowa kluczowe

EN

leaky-wave antenna; LWA; HW-MLWA; control cell; radiation pattern; gap capacitor

PL

antena mikrofalowa; kąt elewacji; antena

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2021
• Tom: R. 97, nr 8
• Strony: 109--113
• Opis fizyczny: Bibliogr. 39 poz., rys., tab.

Twórcy

autor

Abdulhameed Muhannad Kaml

• College of computer science and information technology, University of Kerbala, Iraq

autor

Kod Muayad Saleem

• College of computer science and information technology, University of Kerbala, Iraq

autor

Al-Gburi Ahmed Jamal Abdullah

• Faculty of Electronics and Computer Engineering, Universiti Teknikal Malaysia Melaka (UTeM), Durian Tunggal, Melaka, Malaysia

• https://orcid.org/0000-0002-5305-3937

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).