Ku-Band High Performance Monopulse Microstrip Array Antenna Based on Waveguide Coupling Slot Array Feeding Network
A high gain low sidelobe monopulse microstrip array antenna for Ku-band frequency modulated conti-nuous wave (FMCW) radar application is proposed. The design consists of microstrip array radiation front-end and waveguide coupling slot array feeding network back-end. The microstrip array comprises 16...
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Spolecnost pro radioelektronicke inzenyrstvi
2020-04-01
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Online Access: | https://www.radioeng.cz/fulltexts/2020/20_01_0059_0066.pdf |
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doaj-c403ae7f101f487695dc68bed6e8d0d92020-11-25T03:25:35ZengSpolecnost pro radioelektronicke inzenyrstviRadioengineering1210-25122020-04-012915966Ku-Band High Performance Monopulse Microstrip Array Antenna Based on Waveguide Coupling Slot Array Feeding NetworkL. ZouX. T. WangW. WangW. Y. DuA high gain low sidelobe monopulse microstrip array antenna for Ku-band frequency modulated conti-nuous wave (FMCW) radar application is proposed. The design consists of microstrip array radiation front-end and waveguide coupling slot array feeding network back-end. The microstrip array comprises 16×32 series-fed patches etched on the top side and slotted ground on the bottom side. A series of shunt slots in the broad-wall are loaded on a WR51 standard magic Tee waveguide to form a compact low loss monopulse comparator and hybrid feeding network. The radiation front and feeding network is individually fabricated with standard printed circuit board (PCB) and machining process and then can be integrated by advanced assembling process. Precise alignment of waveguide slots and ground slots is obtained during these procedures to achieve accurate excitation. Measured results are in accordance with simulation results and show about 32.5dBi max gain and -25dB sidelobe level (SLL) of sum pattern in E plane and -27dB null-depth of difference pattern at 17 GHz center frequency.https://www.radioeng.cz/fulltexts/2020/20_01_0059_0066.pdffmcw radarmonopulse antennahigh performancemicrostrip arraywaveguide coupling slot arrayarray feeding network |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
L. Zou X. T. Wang W. Wang W. Y. Du |
spellingShingle |
L. Zou X. T. Wang W. Wang W. Y. Du Ku-Band High Performance Monopulse Microstrip Array Antenna Based on Waveguide Coupling Slot Array Feeding Network Radioengineering fmcw radar monopulse antenna high performance microstrip array waveguide coupling slot array array feeding network |
author_facet |
L. Zou X. T. Wang W. Wang W. Y. Du |
author_sort |
L. Zou |
title |
Ku-Band High Performance Monopulse Microstrip Array Antenna Based on Waveguide Coupling Slot Array Feeding Network |
title_short |
Ku-Band High Performance Monopulse Microstrip Array Antenna Based on Waveguide Coupling Slot Array Feeding Network |
title_full |
Ku-Band High Performance Monopulse Microstrip Array Antenna Based on Waveguide Coupling Slot Array Feeding Network |
title_fullStr |
Ku-Band High Performance Monopulse Microstrip Array Antenna Based on Waveguide Coupling Slot Array Feeding Network |
title_full_unstemmed |
Ku-Band High Performance Monopulse Microstrip Array Antenna Based on Waveguide Coupling Slot Array Feeding Network |
title_sort |
ku-band high performance monopulse microstrip array antenna based on waveguide coupling slot array feeding network |
publisher |
Spolecnost pro radioelektronicke inzenyrstvi |
series |
Radioengineering |
issn |
1210-2512 |
publishDate |
2020-04-01 |
description |
A high gain low sidelobe monopulse microstrip array antenna for Ku-band frequency modulated conti-nuous wave (FMCW) radar application is proposed. The design consists of microstrip array radiation front-end and waveguide coupling slot array feeding network back-end. The microstrip array comprises 16×32 series-fed patches etched on the top side and slotted ground on the bottom side. A series of shunt slots in the broad-wall are loaded on a WR51 standard magic Tee waveguide to form a compact low loss monopulse comparator and hybrid feeding network. The radiation front and feeding network is individually fabricated with standard printed circuit board (PCB) and machining process and then can be integrated by advanced assembling process. Precise alignment of waveguide slots and ground slots is obtained during these procedures to achieve accurate excitation. Measured results are in accordance with simulation results and show about 32.5dBi max gain and -25dB sidelobe level (SLL) of sum pattern in E plane and -27dB null-depth of difference pattern at 17 GHz center frequency. |
topic |
fmcw radar monopulse antenna high performance microstrip array waveguide coupling slot array array feeding network |
url |
https://www.radioeng.cz/fulltexts/2020/20_01_0059_0066.pdf |
work_keys_str_mv |
AT lzou kubandhighperformancemonopulsemicrostriparrayantennabasedonwaveguidecouplingslotarrayfeedingnetwork AT xtwang kubandhighperformancemonopulsemicrostriparrayantennabasedonwaveguidecouplingslotarrayfeedingnetwork AT wwang kubandhighperformancemonopulsemicrostriparrayantennabasedonwaveguidecouplingslotarrayfeedingnetwork AT wydu kubandhighperformancemonopulsemicrostriparrayantennabasedonwaveguidecouplingslotarrayfeedingnetwork |
_version_ |
1724596182877995008 |