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Kiani, A., Geran, F., Hashemi, S. M.. (1402). A New Approach to Synthesis of a Quasi Non-Uniform Leaky Wave Antenna. فناوری آموزش, 12(1), 227-234. doi: 10.22061/jecei.2023.9919.662
A. Kiani; F. Geran; S. M. Hashemi. "A New Approach to Synthesis of a Quasi Non-Uniform Leaky Wave Antenna". فناوری آموزش, 12, 1, 1402, 227-234. doi: 10.22061/jecei.2023.9919.662
Kiani, A., Geran, F., Hashemi, S. M.. (1402). 'A New Approach to Synthesis of a Quasi Non-Uniform Leaky Wave Antenna', فناوری آموزش, 12(1), pp. 227-234. doi: 10.22061/jecei.2023.9919.662
Kiani, A., Geran, F., Hashemi, S. M.. A New Approach to Synthesis of a Quasi Non-Uniform Leaky Wave Antenna. فناوری آموزش, 1402; 12(1): 227-234. doi: 10.22061/jecei.2023.9919.662

A New Approach to Synthesis of a Quasi Non-Uniform Leaky Wave Antenna

Journal of Electrical and Computer Engineering Innovations (JECEI)
مقاله 15، دوره 12، شماره 1، فروردین 2024، صفحه 227-234    اصل مقاله (1.17 M)
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22061/jecei.2023.9919.662
نویسندگان
A. Kiani؛ F. Geran* ؛ S. M. Hashemi
Electrical Engineering Faculty, Shahid Rajaee Teacher Training University, Tehran, Iran.
تاریخ دریافت: 19 تیر 1402،  تاریخ بازنگری: 05 آبان 1402،  تاریخ پذیرش: 14 آبان 1402 
چکیده
Background and Objectives: In this paper, a closed-form mathematical formula has been presented using of the proposed periodic structure E-field distribution, that helps designers to calculate the width of the slots in Quasi Non-Uniform Leaky Wave Antenna (QNULWA).
Methods: This method is based on two steps. In the first step, some important parameters for the proposed antenna design will be extracted using simulation. In the second step, by solving a discrete differential equation, a general relation will be obtained for these types of antennas. This method has been investigated in the case of slot LWA families.
Results: A Leaky wave antenna has been synthesized in the 15.5- 18 GHz frequency range for Gaussian radiation pattern. The results of simulation and antenna design will be very close to each other in 2.5 GHz Bandwidth (15.5 - 18 GHz), which shows the accuracy of this formula. Also, By changing the frequency range 2-5 GHz, the main lobe direction of the antenna will scan the space approximately 10 degrees
(from 63 to 73 degree). The antenna has an SLL value of about -25 dB and 13 dB Gain at whole band 15.5-18 GHz .
Conclusion: The obtained formula helps the antenna designers to calculate the dimensions this type of antenna for any pattern distribution.
کلیدواژه‌ها
Leaky Wave Antenna (LWA)؛ Quasi Uniform LWA؛ Quasi Non ULWA؛ Waveguide Atenna
مراجع
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