A compact single layer monopulse microstrip antenna array

A compact single layer monopulse microstrip patch antenna array for the application of monopulse radar has been designed, manufactured and tested. The array, the monopulse comparator and the feed network are placed on the same layer, resulting in a very compact structure. The limitation of this stru...

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Published in:IEEE transactions on antennas and propagation 2006-02, Vol.54 (2), p.503-509
Main Authors: Hao Wang, Da-Gang Fang, Chen, X.G.
Format: Article
Language:English
Subjects:
Antennas
Applied sciences
Arrays
Blockage
Comparators
Exact sciences and technology
Feeds
Frequency
Gain
Low sidelobe level
Manufacturing
Microstrip antenna arrays
Microstrip antennas
microstrip monopulse antenna array
Noise levels
null depth
Patch antennas
Planes
Radar antennas
Radar applications
Radiocommunications
Radiolocalization and radionavigation
Samarium
Sidelobes
spurious radiation
sum pattern
Telecommunications
Telecommunications and information theory
Testing
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cited_by cdi_FETCH-LOGICAL-c478t-5ee3f406e7ad734b749f2491acaef14c96849330b3c2df0b744579c9298276033
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container_title IEEE transactions on antennas and propagation
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description A compact single layer monopulse microstrip patch antenna array for the application of monopulse radar has been designed, manufactured and tested. The array, the monopulse comparator and the feed network are placed on the same layer, resulting in a very compact structure. The limitation of this structure is discussed. The effects of spurious radiation and blockage caused by the comparator on the sidelobe level are estimated. A space mapping (SM) technique is applied to design microstrip subarray. The bandwidth (VSWR
doi_str_mv 10.1109/TAP.2005.863103
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The array, the monopulse comparator and the feed network are placed on the same layer, resulting in a very compact structure. The limitation of this structure is discussed. The effects of spurious radiation and blockage caused by the comparator on the sidelobe level are estimated. A space mapping (SM) technique is applied to design microstrip subarray. The bandwidth (VSWR&lt;2) of the antenna is 5.6%, the operating frequency is between 13.85-15.1 GHz and the designed central frequency is 14.25 GHz. Our measurements show that, both for the E plane and for the H plane, the sidelobe levels of the sum pattern are less than -17 dB, and the null depths of the difference pattern are less than -30 dB. 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The array, the monopulse comparator and the feed network are placed on the same layer, resulting in a very compact structure. The limitation of this structure is discussed. The effects of spurious radiation and blockage caused by the comparator on the sidelobe level are estimated. A space mapping (SM) technique is applied to design microstrip subarray. The bandwidth (VSWR&lt;2) of the antenna is 5.6%, the operating frequency is between 13.85-15.1 GHz and the designed central frequency is 14.25 GHz. Our measurements show that, both for the E plane and for the H plane, the sidelobe levels of the sum pattern are less than -17 dB, and the null depths of the difference pattern are less than -30 dB. 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The array, the monopulse comparator and the feed network are placed on the same layer, resulting in a very compact structure. The limitation of this structure is discussed. The effects of spurious radiation and blockage caused by the comparator on the sidelobe level are estimated. A space mapping (SM) technique is applied to design microstrip subarray. The bandwidth (VSWR&lt;2) of the antenna is 5.6%, the operating frequency is between 13.85-15.1 GHz and the designed central frequency is 14.25 GHz. Our measurements show that, both for the E plane and for the H plane, the sidelobe levels of the sum pattern are less than -17 dB, and the null depths of the difference pattern are less than -30 dB. The maximum gain at the operating frequencies is 24.5 dBi.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TAP.2005.863103</doi><tpages>7</tpages></addata></record>
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subjects Antennas
Applied sciences
Arrays
Blockage
Comparators
Exact sciences and technology
Feeds
Frequency
Gain
Low sidelobe level
Manufacturing
Microstrip antenna arrays
Microstrip antennas
microstrip monopulse antenna array
Noise levels
null depth
Patch antennas
Planes
Radar antennas
Radar applications
Radiocommunications
Radiolocalization and radionavigation
Samarium
Sidelobes
spurious radiation
sum pattern
Telecommunications
Telecommunications and information theory
Testing
title A compact single layer monopulse microstrip antenna array
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