Broadband Direction Finding by Phase Correlation With Circular Time-Modulated Array Antennas
A broadband direction finding method based on circular time-modulated array antennas (TMAs) is proposed, which utilizes the principle of phase correlation interferometer by analyzing harmonic components to obtain the phase difference between array elements. The two-dimensional baseline characteristi...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2025-01-01
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| Series: | International Journal of Antennas and Propagation |
| Online Access: | http://dx.doi.org/10.1155/ijap/8070799 |
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| _version_ | 1850189530213122048 |
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| author | Xin Zhou Yahong Liu Jian Zhang Dan Tong Xiaoyong Yang |
| author_facet | Xin Zhou Yahong Liu Jian Zhang Dan Tong Xiaoyong Yang |
| author_sort | Xin Zhou |
| collection | DOAJ |
| description | A broadband direction finding method based on circular time-modulated array antennas (TMAs) is proposed, which utilizes the principle of phase correlation interferometer by analyzing harmonic components to obtain the phase difference between array elements. The two-dimensional baseline characteristics of the circular array enable broadband unambiguous angle condition, significantly enhancing the direction finding accuracy. The impact parameters (including the number of antenna elements and element spacing) on direction finding performance are analyzed in detail by using numerical simulation. The experimental verification is carried out by designing a 7-element array antenna operating at 1–3 GHz. The proposed method effectively mitigates the systematic error as well as the interference from environmental factors, further enhancing the stability and reliability in practical applications. |
| format | Article |
| id | doaj-art-bc38ec853479410eb80dc92f8e175ee5 |
| institution | OA Journals |
| issn | 1687-5877 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Antennas and Propagation |
| spelling | doaj-art-bc38ec853479410eb80dc92f8e175ee52025-08-20T02:15:36ZengWileyInternational Journal of Antennas and Propagation1687-58772025-01-01202510.1155/ijap/8070799Broadband Direction Finding by Phase Correlation With Circular Time-Modulated Array AntennasXin Zhou0Yahong Liu1Jian Zhang2Dan Tong3Xiaoyong Yang4School of Information EngineeringSchool of Physical Science and TechnologySchool of Information EngineeringSchool of Information EngineeringProduct Development DepartmentA broadband direction finding method based on circular time-modulated array antennas (TMAs) is proposed, which utilizes the principle of phase correlation interferometer by analyzing harmonic components to obtain the phase difference between array elements. The two-dimensional baseline characteristics of the circular array enable broadband unambiguous angle condition, significantly enhancing the direction finding accuracy. The impact parameters (including the number of antenna elements and element spacing) on direction finding performance are analyzed in detail by using numerical simulation. The experimental verification is carried out by designing a 7-element array antenna operating at 1–3 GHz. The proposed method effectively mitigates the systematic error as well as the interference from environmental factors, further enhancing the stability and reliability in practical applications.http://dx.doi.org/10.1155/ijap/8070799 |
| spellingShingle | Xin Zhou Yahong Liu Jian Zhang Dan Tong Xiaoyong Yang Broadband Direction Finding by Phase Correlation With Circular Time-Modulated Array Antennas International Journal of Antennas and Propagation |
| title | Broadband Direction Finding by Phase Correlation With Circular Time-Modulated Array Antennas |
| title_full | Broadband Direction Finding by Phase Correlation With Circular Time-Modulated Array Antennas |
| title_fullStr | Broadband Direction Finding by Phase Correlation With Circular Time-Modulated Array Antennas |
| title_full_unstemmed | Broadband Direction Finding by Phase Correlation With Circular Time-Modulated Array Antennas |
| title_short | Broadband Direction Finding by Phase Correlation With Circular Time-Modulated Array Antennas |
| title_sort | broadband direction finding by phase correlation with circular time modulated array antennas |
| url | http://dx.doi.org/10.1155/ijap/8070799 |
| work_keys_str_mv | AT xinzhou broadbanddirectionfindingbyphasecorrelationwithcirculartimemodulatedarrayantennas AT yahongliu broadbanddirectionfindingbyphasecorrelationwithcirculartimemodulatedarrayantennas AT jianzhang broadbanddirectionfindingbyphasecorrelationwithcirculartimemodulatedarrayantennas AT dantong broadbanddirectionfindingbyphasecorrelationwithcirculartimemodulatedarrayantennas AT xiaoyongyang broadbanddirectionfindingbyphasecorrelationwithcirculartimemodulatedarrayantennas |